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Used 2017 GMC Sierra 1500 SLT Truck Crew Cab Photo 1 of 1

Pre-Owned 2017 GMCSierra 1500 SLT Rear Wheel Drive

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    Exterior Color
    Crimson Red Tintcoat
    Interior Color
    Jet Black
    Odometer
    13,347 miles
    Body/Seating
    Truck Crew Cab/5 seats
    Fuel Economy
    16/23 MPG City/Hwy
    Transmission
    6-Speed A/T
    Drivetrain
    Rear Wheel Drive
    Engine
    V-8 cyl
    VIN
    3GTP1NEC2HG253484
    Stock Number
    HG253484
    GMC Sierra 1500
    • CARFAX 1-Owner Good Value Badge

    Highlighted Features

    • Navigation system
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Wireless phone connectivity
    • Exterior parking camera rear
    • Front dual zone A/C
    • Auto-dimming rearview mirror
    • High intensity discharge headlights
    • Split folding rear seat
    • Memory seat
    • Heated front seats

    Included Packages & Accessories

    • GVWR: 7,000 lbs
    • Federal Emissions Requirements
    • 3.42 Rear Axle Ratio
    • Transmission: Electronic 6-Speed Automatic w/OD
    • Tires: P275/55R20 AS BW
    • Wheel Locks
    • Front License Plate Kit
    • Polished Exhaust Tip
    • Solid Paint
    • Preferred Equipment Group 4SA
    • Dual-Zone Automatic Climate Control
    • Radio: AM/FM Stereo w/8" Diagonal Color Touch Screen
    • 6-Speaker Audio System
    • HD Radio
    • SiriusXM Satellite Radio
    • Single Slot CD/MP3 Player
    • 4.2" Diagonal Color Display Driver Info Center
    • Electric Rear Window Defogger
    • Remote Vehicle Starter System
    • Remote Keyless Entry
    • Remote Locking Tailgate
    • Color-Keyed Carpeting
    • 1st & 2nd Row Color-Keyed Carpeted Floor Mats
    • Auto-Dimming Inside Rearview Mirror
    • OnStar 3 Month Guidance Plan
    • OnStar w/4G LTE
    • Power Adjustable Pedals
    • 110-Volt AC Power Outlet
    • Rear Vision Camera
    • 40/20/40 Front Split Bench Seat
    • Heated Driver & Front Passenger Seats
    • 10-Way Power Driver Seat Adjuster
    • Leather Appointed Seat Trim
    • Rear 60/40 Folding Bench Seat
    • Leather Wrapped Steering Wheel w/Cruise Controls
    • Steering Wheel Audio Controls
    • Manual Tilt/Telescoping Steering Column
    • Theft Deterrent System
    • Universal Home Remote
    • Driver & Front Passenger Illuminated Vanity Mirrors
    • Power Windows w/Driver Express Up & Down
    • Chrome Door Handles
    • Thin Profile LED Fog Lamps
    • Deep-Tinted Glass
    • LED Tailamps w/Signature
    • LED Cargo Box Lighting
    • Power Folding & Adjustable Heated Outside Mirrors
    • Chrome Mirror Caps
    • Chrome Bodyside Moldings
    • EZ Lift & Lower Tailgate
    • Tires: P265/65R18 AS BW
    • P265/70R17 AS BW Spare Tire
    • Wheels: 18" x 8.5" Polished Aluminum
    • Rear Wheelhouse Liners
    • 150 Amp Alternator
    • Auxiliary External Transmission Oil Cooler
    • Heavy-Duty Rear Locking Differential
    • Engine: 5.3L EcoTec3 V8
    • 3.08 Rear Axle Ratio
    • Trailering Equipment
    • Front Full Feature Power Reclining Bucket Seats
    • Floor Mounted Console
    • Wireless Charging
    • 6" Rectangular Chromed Tubular Assist Steps
    • Radio: AM/FM Stereo w/8" Diagonal Color Touch Nav.
    • Texas SLT Premium Package
    • Bose Speaker System
    • Wheels: 20" x 9" Polished Aluminum
    • Texas Emblem

    Included Packages & Options

    Texas SLT Premium Package

    $2,095 included in TSRP
    • Bose Speaker System
      Includes 6 speakers.
    • Wheels: 20" x 9" Polished Aluminum
      50.8 cm x 22.9 cm.
    • Texas Emblem
    • 6" Rectangular Chromed Tubular Assist Steps
      Factory installed.

    Front Full Feature Power Reclining Bucket Seats

    $510 included in TSRP
    • Heated Driver & Front Passenger Seats
    • 10-Way Power Driver Seat Adjuster
    • Floor Mounted Console
      Includes cup holders, cell phone storage, power cord management and hanging file holder capability.
    • Wireless Charging
      Not compatible with all phones. Compliant batteries include QI and PMA technologies. Reference Mobile devices manual to confirm what type of battery it uses.

    Radio: AM/FM Stereo w/8" Diagonal Color Touch Nav.

    $495 included in TSRP
    • 6-Speaker Audio System
    • HD Radio
    • SiriusXM Satellite Radio
      Standard on nearly all 2017 GM models. Enjoy a 3-month All Access trial subscription with over 150 channels including commercial-free music, plus sports, news and entertainment. Plus listening on the app and online is included, so you'll hear the best SiriusXM has to offer, anywhere life takes you. Welcome to the world of SiriusXM. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. To cancel you must call us at 1-866-635-2349. See our Customer Agreement for complete terms at www.siriusxm.com. All fees and programming subject to change.

    Preferred Equipment Group 4SA

    • Dual-Zone Automatic Climate Control
    • Radio: AM/FM Stereo w/8" Diagonal Color Touch Screen
      Includes IntelliLink, USB ports, auxiliary jack, Bluetooth streaming audio for music and most phones, Pandora internet radio and voice-activated technology for radio and phone.
    • Single Slot CD/MP3 Player
    • 4.2" Diagonal Color Display Driver Info Center
      Includes driver personalization, warning messages and vehicle information.

    Remote Keyless Entry

    • Remote Locking Tailgate

    40/20/40 Front Split Bench Seat

    • Heated Driver & Front Passenger Seats
    • 10-Way Power Driver Seat Adjuster

    Radio: AM/FM Stereo w/8" Diagonal Color Touch Screen

    • 6-Speaker Audio System
    • HD Radio
    • SiriusXM Satellite Radio
      Standard on nearly all 2017 GM models. Enjoy a 3-month All Access trial subscription with over 150 channels including commercial-free music, plus sports, news and entertainment. Plus listening on the app and online is included, so you'll hear the best SiriusXM has to offer, anywhere life takes you. Welcome to the world of SiriusXM. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. To cancel you must call us at 1-866-635-2349. See our Customer Agreement for complete terms at www.siriusxm.com. All fees and programming subject to change.

    More manufacturer pre-installed items

    $195 total, included in TSRP
    • GVWR: 7,000 lbs
    • Federal Emissions Requirements
    • 3.42 Rear Axle Ratio
    • Transmission: Electronic 6-Speed Automatic w/OD
      Includes tow/haul mode, cruise grade braking and powertrain grade braking.

    Detailed Specifications

    • 1-touch down
    • 1-touch up
    • Adjustable pedals
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Emergency communication system: OnStar Guidance
    • Front beverage holders
    • Front dual zone A/C
    • Garage door transmitter: HomeLink
    • Illuminated entry
    • Memory seat
    • Navigation system
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power windows
    • Rear beverage holders
    • Remote engine start: keyfob and smart device
    • Remote keyless entry
    • Speed control
    • Telescoping steering wheel
    • Tilt steering wheel
    • Alloy wheels
    • Front anti-roll bar
    • Front tires: 275/55SR20.0
    • Front wheel independent suspension
    • Power steering
    • Rear tires: 275/55SR20.0
    • Speed-sensing steering
    • Wheel size: 20"
    • 1st row LCD monitors: 2
    • AM/FM radio
    • CD player
    • CD-MP3 decoder
    • Primary LCD size: 8.0"
    • Radio data system
    • Smart device integration: OnStar RemoteLink
    • Speaker type: Bose
    • Steering wheel mounted audio controls
    • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
    • Wireless phone connectivity: Bluetooth
    • Front center armrest
    • Front seats: bucket
    • Heated front seats
    • Leather upholstery
    • Max seating capacity: 5
    • Power 2-way driver lumbar support
    • Power 2-way passenger lumbar support
    • Power driver seat
    • Power passenger seat
    • Rear seat center armrest
    • Rear seats: split-bench
    • Rear seats Folding position: fold-up cushion
    • Split folding rear seat
    • Cylinder configuration: V-8
    • Cylinder deactivation
    • Drive type: rear-wheel
    • Engine location: front
    • Fuel economy city: 16mpg
    • Fuel economy combined: 19mpg
    • Fuel economy highway: 23mpg
    • Fuel tank capacity: 26.0gal.
    • Limited slip differential: mechanical
    • Manual-shift auto
    • Mode select transmission
    • Number of valves: 16
    • Rear locking differential
    • Recommended fuel: Regular Unleaded
    • Variable valve control
    • Approach angle: 18 deg
    • Departure angle: 24 deg
    • Ground clearance (min): 221mm (8.7")
    • Ramp breakover angle: 19 deg
    • Auto-dimming door mirrors
    • Bodyside moldings
    • Bumpers: chrome
    • Door mirrors: chrome
    • Heated door mirrors
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Trailer hitch receiver
    • Trailer sway control
    • Turn signal indicator mirrors
    • Curb weight: 2,284kg (5,035lbs)
    • Exterior body width: 2,032mm (80.0")
    • Exterior height: 1,884mm (74.2")
    • Exterior length: 5,829mm (229.5")
    • Front headroom: 1,087mm (42.8")
    • Front hiproom: 1,543mm (60.7")
    • Front legroom: 1,150mm (45.3")
    • Front shoulder room: 1,677mm (66.0")
    • Payload: 835kg (1,840lbs)
    • Rear headroom: 1,029mm (40.5")
    • Rear hiproom: 1,531mm (60.3")
    • Rear legroom: 1,040mm (40.9")
    • Rear shoulder room: 1,670mm (65.7")
    • Turning radius: 7.2m (23.6')
    • Wheelbase: 3,645mm (143.5")
    • Compass
    • Delay-off headlights
    • Display: analog
    • Exterior parking camera rear
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • High intensity discharge headlights
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Rear reading lights
    • Rear window defroster
    • Tachometer
    • Trip computer
    • Variably intermittent wipers
    • Voltmeter
    • 4 wheel disc brakes
    • ABS brakes
    • Brake assist
    • Dual front impact airbags
    • Dual front side impact airbags
    • Electronic stability
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Security system
    • Tracker system: OnStar Guidance
    • Traction control

    Standard Features

    • Bose Speaker System
    • Wheels: 20" x 9" Polished Aluminum
    • Texas Emblem
    • 6" Rectangular Chromed Tubular Assist Steps
    • Heated Driver & Front Passenger Seats
    • 10-Way Power Driver Seat Adjuster
    • Floor Mounted Console
    • Wireless Charging
    • 6-Speaker Audio System
    • HD Radio
    • SiriusXM Satellite Radio
    • Dual-Zone Automatic Climate Control
    • Radio: AM/FM Stereo w/8" Diagonal Color Touch Screen
    • Single Slot CD/MP3 Player
    • 4.2" Diagonal Color Display Driver Info Center
    • Electric Rear Window Defogger
    • Remote Vehicle Starter System
    • Remote Keyless Entry
    • Color-Keyed Carpeting
    • 1st & 2nd Row Color-Keyed Carpeted Floor Mats
    • Auto-Dimming Inside Rearview Mirror
    • OnStar 3 Month Guidance Plan
    • OnStar w/4G LTE
    • Power Adjustable Pedals
    • 110-Volt AC Power Outlet
    • Rear Vision Camera
    • 40/20/40 Front Split Bench Seat
    • Leather Appointed Seat Trim
    • Rear 60/40 Folding Bench Seat
    • Leather Wrapped Steering Wheel w/Cruise Controls
    • Steering Wheel Audio Controls
    • Manual Tilt/Telescoping Steering Column
    • Theft Deterrent System
    • Universal Home Remote
    • Driver & Front Passenger Illuminated Vanity Mirrors
    • Power Windows w/Driver Express Up & Down
    • Chrome Door Handles
    • Thin Profile LED Fog Lamps
    • Deep-Tinted Glass
    • LED Tailamps w/Signature
    • LED Cargo Box Lighting
    • Power Folding & Adjustable Heated Outside Mirrors
    • Chrome Mirror Caps
    • Chrome Bodyside Moldings
    • EZ Lift & Lower Tailgate
    • Tires: P265/65R18 AS BW
    • P265/70R17 AS BW Spare Tire
    • Wheels: 18" x 8.5" Polished Aluminum
    • Rear Wheelhouse Liners
    • 150 Amp Alternator
    • Auxiliary External Transmission Oil Cooler
    • Heavy-Duty Rear Locking Differential
    • Engine: 5.3L EcoTec3 V8
    • 3.08 Rear Axle Ratio
    • Trailering Equipment
    • Remote Locking Tailgate
    • Heated Driver & Front Passenger Seats
    • 10-Way Power Driver Seat Adjuster
    • 6-Speaker Audio System
    • HD Radio
    • SiriusXM Satellite Radio

    Dealer Notes

    • Texas Slt Premium Package
    • Wheels; 20" X 9" (50.8 Cm X 22.9 Cm) Polished Aluminum
    • Assist Steps; Chromed Tubular; 6" Rectangular
    • Seats; Front Full-Feature Leather-Appointed Bucket
    • Bose Sound With 6 Speaker System
    • Leather Seats
    • Audio System; 8" Diagonal Color Touch Screen Navigation With Intellilink; AM/FM/SiriusXM; HD Radio
    • Crimson Red Tintcoat
    • Navigation System
    • Lpo; Polished Exhaust Tip
    • Lpo; Wheel Locks; Set Of 4
    • Console; Floor Mounted
    • Customer Dialogue Network
    • Emissions; Federal Requirements
    • Engine; 5.3L Ecotec3 V8; With Active Fuel Management; Direct Injection
    • Gvwr; 7000 Lbs. (3175 Kg)
    • Jet Black; Leather-Appointed Front Seat Trim
    • License Plate Kit; Front
    • Rear Axle; 3.42 Ratio
    • Slt Preferred Equipment Group
    • Solid Paint
    • Tires; P275/55R20 All-Season; Blackwall
    • Transmission; 6-Speed Automatic; Electronically Controlled
    • Wireless Charging


    This vehicle includes a Money-Back Guarantee* and passed our precise inspection process. Best of all the price you see is the price you pay. No haggling. No back and forth. No pressure. And this price is so good it is guaranteed. *Money-Back Guarantee is valid for 5 days or 250 miles, whichever comes first. Subject to certain terms and conditions. See store for details. Some restrictions apply.

    You can find this 2017 GMC Sierra 1500 SLT and many others like it at AutoNation Toyota Gulf Freeway. Put performance, safety, beauty, sophistication and all the right amenities into a car, and here it is! Now you can own luxury without the luxury price tag! There is no reason why you shouldn't buy this GMC Sierra 1500 SLT. It is incomparable for the price and quality. You can finally stop searching... You've found the one you've been looking for. The look is unmistakably GMC, the smooth contours and cutting-edge technology of this GMC Sierra 1500 SLT will definitely turn heads.

    AutoNation 1Price
    $21,991
    • We're here to help: 855-871-7668

      Pre-Owned Toyota in Houston, TX

      There are several advantages to shopping at AutoNation Toyota Gulf Freeway. All pre-owned Toyotas come with the following three guarantees:

      • No-Haggle 1Price Pre-Owned Vehicle Formula: For fair and transparent no-haggle pricing
      • Worry-Free Pre-Owned Vehicles: Certifying that all used cars have passed a 125-point mechanical inspection, come with full VIN-matched Carfax vehicle history reports, and are covered by a 60-Day Unlimited Mileage Limited Warranty
      • Money-Back Guarantee: A three-day, 150-mile Money-Back Guarantee, no questions asked

      Used Toyota models for sale include:

      • Toyota Sienna minivan
      • Toyota Tacoma TRD Sport pickup truck
      • Toyota Tundra pickup truck
      • Toyota Prius liftback
      • Toyota Camry LE coupe
      • Toyota Camry SE sedan
      • Toyota Corolla LE or XLE sedan
      • Toyota Corolla Hatchback
      • Toyota RAV4 SUV
      • Toyota 4Runner SUV
      • Toyota Highlander SUV

      With their renowned reliability, solid brand reputation, and top-notch high-tech features, Toyota vehicles excel at holding their resale value. Getting your used Toyota serviced at Toyota dealerships like AutoNation Toyota Gulf Freeway helps retain its value even longer thanks to our factory-trained technicians who use only original equipment manufacturer (OEM) Toyota parts.

      Used vehicles at AutoNation Toyota Gulf Freeway include Certified Pre-Owned (CPO) vehicles. Toyota Certified Used Vehicles (TCUV) have:

      • Passed a rigorous 160-point inspection
      • Are within six model years of age
      • Have no more than 85,000 miles
      • Come with comprehensive warranty coverage

      Any warranty-related issues can be serviced at AutoNation Toyota Gulf Freeway, as well as 1,400-plus Toyota dealers across the U.S. and Canada.

      One more perk of used and TCUVs? Pre-owned vehicles often come pre-equipped with coveted Toyota features, including but not limited to:

      • Continuously variable transmission (CVT)
      • All-wheel (AWD), front-wheel (FWD), and rear-wheel drive (RWD) drivetrain options
      • Superior city and highway mpg
      • Adaptive Cruise Control
      • Blind Spot Assist
      • Keyless Entry
      • Parking sensors
      • Backup camera
      • Rain sensing wipers
      • Navigation system
      • Off-road suspension
      • LED headlights
      • Truck access and double cab options
      • SiriusXM satellite radio
      • Apple CarPlay/Android Auto compatibility
      • Heated, leather-trimmed steering wheel
      • Sunroof or moonroof
      • Exterior colors like Magnetic Gray and Blizzard Pearl
      • Interior colors like Ash and Black
      • Leather seats
      • Alloy wheels

      Buying a Used Toyota at AutoNation Toyota Gulf Freeway

      Used vehicles are great because you're getting a like-new vehicle at an economic price. And with the experts in our Finance Center, you can get even more special deals on financing.

      It's easy to get started, right from the comfort of your own home. First, fill out our pre-qualification application. From there, you can explore our current pre-owned inventory and available Toyota financing options. You can also use our online calculator to get an idea of what your down and monthly payments will look like.

      When you do come into our dealership, bring your driver's license and proof of insurance. Recent pay stubs are also helpful for further validating your loan application. Finally, consider trading in your current vehicle for further price drops.

      Call us at (713) 489-2097 or come by to test drive a used vehicle today.


      Pre-Owned Toyota in Houston, TX

      There are several advantages to shopping at AutoNation Toyota Gulf Freeway. All pre-owned Toyotas come with the following three guarantees:

      • No-Haggle 1Price Pre-Owned Vehicle Formula: For fair and transparent no-haggle pricing
      • Worry-Free Pre-Owned Vehicles: Certifying that all used cars have passed a 125-point mechanical inspection, come with full VIN-matched Carfax vehicle history reports, and are covered by a 60-Day Unlimited Mileage Limited Warranty
      • Money-Back Guarantee: A three-day, 150-mile Money-Back Guarantee, no questions asked

      Used Toyota models for sale include:

      • Toyota Sienna minivan
      • Toyota Tacoma TRD Sport pickup truck
      • Toyota Tundra pickup truck
      • Toyota Prius liftback
      • Toyota Camry LE coupe
      • Toyota Camry SE sedan
      • Toyota Corolla LE or XLE sedan
      • Toyota Corolla Hatchback
      • Toyota RAV4 SUV
      • Toyota 4Runner SUV
      • Toyota Highlander SUV

      With their renowned reliability, solid brand reputation, and top-notch high-tech features, Toyota vehicles excel at holding their resale value. Getting your used Toyota serviced at Toyota dealerships like AutoNation Toyota Gulf Freeway helps retain its value even longer thanks to our factory-trained technicians who use only original equipment manufacturer (OEM) Toyota parts.

      Used vehicles at AutoNation Toyota Gulf Freeway include Certified Pre-Owned (CPO) vehicles. Toyota Certified Used Vehicles (TCUV) have:

      • Passed a rigorous 160-point inspection
      • Are within six model years of age
      • Have no more than 85,000 miles
      • Come with comprehensive warranty coverage

      Any warranty-related issues can be serviced at AutoNation Toyota Gulf Freeway, as well as 1,400-plus Toyota dealers across the U.S. and Canada.

      One more perk of used and TCUVs? Pre-owned vehicles often come pre-equipped with coveted Toyota features, including but not limited to:

      • Continuously variable transmission (CVT)
      • All-wheel (AWD), front-wheel (FWD), and rear-wheel drive (RWD) drivetrain options
      • Superior city and highway mpg
      • Adaptive Cruise Control
      • Blind Spot Assist
      • Keyless Entry
      • Parking sensors
      • Backup camera
      • Rain sensing wipers
      • Navigation system
      • Off-road suspension
      • LED headlights
      • Truck access and double cab options
      • SiriusXM satellite radio
      • Apple CarPlay/Android Auto compatibility
      • Heated, leather-trimmed steering wheel
      • Sunroof or moonroof
      • Exterior colors like Magnetic Gray and Blizzard Pearl
      • Interior colors like Ash and Black
      • Leather seats
      • Alloy wheels

      Buying a Used Toyota at AutoNation Toyota Gulf Freeway

      Used vehicles are great because you're getting a like-new vehicle at an economic price. And with the experts in our Finance Center, you can get even more special deals on financing.

      It's easy to get started, right from the comfort of your own home. First, fill out our pre-qualification application. From there, you can explore our current pre-owned inventory and available Toyota financing options. You can also use our online calculator to get an idea of what your down and monthly payments will look like.

      When you do come into our dealership, bring your driver's license and proof of insurance. Recent pay stubs are also helpful for further validating your loan application. Finally, consider trading in your current vehicle for further price drops.

      Call us at (713) 489-2097 or come by to test drive a used vehicle today.

      Toyota Motor Sales, U.S.A., Inc. (TMS) is pleased to provide dealers the opportunity to convey the above information. When reviewing a Toyota dealer's inventory, please note that all information, including but not limited to pricing and vehicle status, is provided by and is the sole responsibility of that dealer. As such, TMS is relying on the dealer to ensure the continued accuracy of the information provided. Any questions or concerns should be addressed with the applicable dealer. TMS disclaims all liability for any inaccuracies.

      Accessories and color may vary. Quoted price subject to change without notice to correct errors or omissions. New vehicle pricing may already include applicable manufacturer incentives which may expire at any time. College grad and military rebates are not included. Manufacturer incentive data and vehicle features is provided by third parties and believed to be accurate as of the time of publication. Please contact the store by email or phone for details and availability of incentives. Sales tax or other taxes, tag, license, title, registration fees, government fees, and $225 dealer documentary fee are not included in quoted price.

      Certain data and other content displayed herein is copyrighted by AutoNation, Inc. and / or third parties. (In addition, providers of data and other materials to AutoNation, Inc. or such third parties may have a copyright interest in and to such data to the extent that such data and other materials are subject to copyright protection under applicable United States laws.) Such data may not be reproduced or distributed in whole or in part by any printed, electronic or other means without explicit written permission from AutoNation, Inc. All information is gathered from sources that are believed to be reliable, but no assurance can be given that this information is complete and neither AutoNation, Inc. nor its suppliers assume any responsibility for errors or omissions or warrant the accuracy of this information.

      Displayed MPG is based on applicable EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid models only) and other factors.