Key Certified Pre-Owned Vehicles in Portsmouth, NH

Key Certified Pre-Owned Vehicles
Buying a Key Certified Pre-Owned vehicle can make your used car purchase and ownership worry-free. Because every Key Certified Vehicle is one you can trust.





Each Key Certified Pre-Owned Vehicle Comes With:



Comprehensive 70-Point Vehicle Inspection
(Includes tires, brakes, engine, transmission, all power options and electrical items)

Before a vehicle can be marked as a Key Certified Pre-Owned Vehicle, it must undergo a rigorous 70-point inspection to ensure that the functionality, safety, and condition meets Key requirements. After going through our inspection, all Key Certified Pre-Owned Vehicles also go through state inspection to ensure reliability of the vehicle.
 You can be confident that your Key Certified Pre-Owned Vehicle will be on the road for years to come.


Key Certified Vehicle Warranty

No two pre-owned vehicles are alike, so why should the warranty be? Each Key Certified Pre-Owned Vehicle has its own unique warranty based on year and mileage to make sure you get the most out of the vehicle you are purchasing. Key Auto also has a wide variety of facilities to assist you in the event your vehicle does need service or repairs in the future.



Vehicle Reconditioning

Before being put on the lot for sale, each Key Certified Pre-Owned Vehicle is given a state-of-the-art detailing inside and out that makes it look, feel and smell brand new.





Tax Title and Tags not included in vehicles prices shown and must be paid by the purchaser. While great effort is made to ensure the accuracy of the information on this site, errors do occur, so please verify information with a sales consultant. This is easily done by calling us or by visiting us at the dealership.

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  • 2016 Acura ILX 2.4L

    • Live Market Price:$21,999
    • Lock-in My Key Price
    Engine:
    2.4L I-4 cyl,
    Transmission:
    8-Speed Dual-Clutch,
    Stock #:
    J17259,
    Mileage:
    44903
    More
    • AutoCheck
  • 2016 Acura ILX 2.4L

    • Live Market Price:$17,495
    • Lock-in My Key Price
    Engine:
    2.4L I-4 cyl,
    Transmission:
    8-Speed Dual-Clutch,
    Exterior Color:
    Silver,
    Interior Color:
    Ebony,
    Stock #:
    J16641,
    Mileage:
    44740
    More
    • AutoCheck
  • 2017 Acura MDX V6 SH-AWD with Advance Packages

    • Live Market Price:$43,495
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    9-Speed Automatic,
    Exterior Color:
    Black Copper Pearl,
    Interior Color:
    Parchment,
    Stock #:
    7334B,
    Model Code:
    YD4H8HKNW,
    Mileage:
    22159
    More
    • AutoCheck
  • 2016 Acura MDX MDX SH-AWD

    • Live Market Price:$29,495
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    9-Speed Automatic,
    Exterior Color:
    Graphite Luster Metallic,
    Interior Color:
    Graystone,
    Stock #:
    J16974,
    Model Code:
    YD4H2GJNW,
    Mileage:
    45420
    More
    • Certified
    • AutoCheck
  • 2017 Acura RDX V6 AWD with Advance Package

    • Live Market Price:$35,495
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Lunar Silver Metallic,
    Stock #:
    A9059A,
    Model Code:
    TB4H7HKNW,
    Mileage:
    27835
    More
    • AutoCheck
  • 2016 Acura RDX RDX AWD

    • Live Market Price:$27,200
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Kona Coffee Metallic,
    Interior Color:
    Parchment,
    Stock #:
    J16975,
    Model Code:
    TB4H3GJNW,
    Mileage:
    31416
    More
    • Certified
    • AutoCheck
  • 2016 Acura RDX RDX AWD with Advance Package

    • Live Market Price:$26,495
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Graphite Luster Metallic,
    Interior Color:
    Ebony,
    Stock #:
    A9028A,
    Model Code:
    TB4H7GKNW,
    Mileage:
    60670
    More
    • AutoCheck
  • 2016 Acura RDX RDX AWD

    • Live Market Price:$26,995
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Slate Silver Metallic,
    Interior Color:
    Ebony,
    Stock #:
    A8237A,
    Model Code:
    TB4H3GJNW,
    Mileage:
    30012
    More
    • Certified
    • AutoCheck
  • 2015 Acura RDX Base (A6)

    • Live Market Price:$23,295
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Crystal Black Pearl,
    Interior Color:
    Parchment,
    Stock #:
    J16973,
    Model Code:
    TB4H3FJNW,
    Mileage:
    44759
    More
    • Certified
    • AutoCheck
  • 2015 Acura RLX RLX with Technology Package

    • Live Market Price:$24,995
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Bellanova White Pearl,
    Stock #:
    J16859,
    Model Code:
    KC1F5FKNW,
    Mileage:
    47621
    More
    Radio: Acura/ELS Studio Premium Audio System (SiriusXM Satellite Radio)
    • AutoCheck
  • 2015 Acura TLX Base (DCT)

    • Live Market Price:$18,495
    • Lock-in My Key Price
    Engine:
    2.4L I-4 cyl,
    Transmission:
    8-Speed Dual-Clutch,
    Exterior Color:
    Fathom Blue Pearl,
    Stock #:
    J16978,
    Model Code:
    UB1F3FJW,
    Mileage:
    46923
    More
    • AutoCheck
  • 2014 Audi A4 2.0T Premium (Tiptronic)

    • Live Market Price:$18,995
    • Lock-in My Key Price
    Engine:
    2.0L TFSI four-cylinder engine,
    Transmission:
    8-Speed Automatic with Tiptronic,
    Exterior Color:
    Moonlight blue metallic,
    Interior Color:
    Velvet beige / Black,
    Stock #:
    A8204A,
    Model Code:
    8K252A,
    Mileage:
    68292
    More
    • AutoCheck
  • 2016 Audi A6 2.0T Premium

    • Live Market Price:$30,995
    • Lock-in My Key Price
    Engine:
    2.0L TFSI four-cylinder engine,
    Transmission:
    8-Speed Automatic with Tiptronic,
    Exterior Color:
    Mythos black metallic,
    Interior Color:
    Black,
    Stock #:
    P6458,
    Model Code:
    4GC58A,
    Mileage:
    49188
    More
    • AutoCheck
  • 2012 Audi A7

    • Live Market Price:$23,495
    • Lock-in My Key Price
    Engine:
    3.0L V-6 cyl,
    Transmission:
    8-Speed Automatic with Tiptronic,
    Exterior Color:
    Orange,
    Interior Color:
    Black,
    Stock #:
    P6457,
    Model Code:
    4GA51A,
    Mileage:
    75093
    More
    • AutoCheck
  • 2017 Audi Q3 2.0T Premium

    • Live Market Price:$33,897
    • Lock-in My Key Price
    Engine:
    2.0L TFSI four-cylinder engine,
    Transmission:
    6-Speed Automatic with Tiptronic,
    Exterior Color:
    Florett silver metallic,
    Interior Color:
    Black,
    Stock #:
    J17021,
    Model Code:
    8UG5CL,
    Mileage:
    8899
    More
    • AutoCheck
  • 2016 BMW 328i xDrive SULEV

    • Live Market Price:$22,824
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic,
    Exterior Color:
    Mineral Gray Metallic,
    Interior Color:
    Black,
    Stock #:
    70515A,
    Model Code:
    163W,
    Mileage:
    34480
    More
    Sport Seats (Power Front Seats)
    • AutoCheck
  • 2015 BMW 328i xDrive

    • Live Market Price:$23,995
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic,
    Exterior Color:
    Melbourn,
    Stock #:
    J17210,
    Model Code:
    153X,
    Mileage:
    39211
    More
    • AutoCheck
  • 2015 BMW 328i xDrive xDrive w/SULEV

    • Live Market Price:$23,995
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic Sport,
    Interior Color:
    Mineral,
    Stock #:
    J17209,
    Model Code:
    15TO,
    Mileage:
    47968
    More
    • AutoCheck
  • 2018 BMW 430i xDrive

    • Live Market Price:$36,999
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic Sport,
    Exterior Color:
    Alpine White,
    Interior Color:
    Black,
    Stock #:
    J17111,
    Model Code:
    184O,
    Mileage:
    28760
    More
    Sport Seats (Power Front Seats)
    • AutoCheck
  • 2016 BMW 528i xDrive

    • Live Market Price:$27,997
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic,
    Exterior Color:
    Mineral White Metallic,
    Interior Color:
    Black,
    Stock #:
    J16383,
    Model Code:
    165B,
    Mileage:
    45659
    More
    Power Front Seats (Lumbar Support)
    • AutoCheck
  • 2014 BMW 528i xDrive

    • Live Market Price:$19,995
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic,
    Exterior Color:
    Blue,
    Stock #:
    P6436,
    Model Code:
    145B,
    Mileage:
    74031
    More
    Power Front Seats (Lumbar Support)
    • AutoCheck
  • 2015 BMW X1 xDrive28i

    • Live Market Price:$21,995
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic Steptronic,
    Exterior Color:
    Alpine White,
    Interior Color:
    Black,
    Stock #:
    J16957,
    Model Code:
    15XB,
    Mileage:
    15708
    More
    • AutoCheck
  • 2014 BMW X1 xDrive28i Xdrive28i

    • Live Market Price:$11,996
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic Steptronic,
    Exterior Color:
    Gray,
    Interior Color:
    Black,
    Stock #:
    80275A,
    Model Code:
    14XB,
    Mileage:
    92370
    More
    • AutoCheck
  • 2017 BMW X3 xDrive28i

    • Live Market Price:Please Call
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic,
    Exterior Color:
    Jet Black,
    Stock #:
    J17300,
    Model Code:
    17XD,
    Mileage:
    33152
    More
    • AutoCheck
  • 2014 BMW i3

    • Live Market Price:$17,995
    • Lock-in My Key Price
    Transmission:
    Single-Speed Automatic,
    Exterior Color:
    Andesite Silver Met w BMW i Frozen Blue Accent,
    Interior Color:
    Giga Cassia/Carum Spice Gray,
    Stock #:
    X0871A,
    Model Code:
    14IA,
    Mileage:
    16056
    More
    • AutoCheck
  • 2017 Buick Enclave Leather

    • Live Market Price:$32,995
    • Lock-in My Key Price
    Engine:
    3.6L V-6 cyl,
    Transmission:
    6-Speed Automatic Electronic with Overdrive,
    Exterior Color:
    Ebony Twilight,
    Interior Color:
    Ebony,
    Stock #:
    J16625,
    Model Code:
    4V14526,
    Mileage:
    31627
    More
    Radio: Color Touch AM/FM/CD w/IntelliLink (SiriusXM Satellite Radio)
    • AutoCheck
  • 2017 Buick Encore Preferred

    • Live Market Price:$20,995
    • Lock-in My Key Price
    Engine:
    1.4L I-4 cyl,
    Transmission:
    6-Speed Automatic Electronic with Overdrive,
    Exterior Color:
    Summit White,
    Interior Color:
    Brandy/Ebony Accents,
    Stock #:
    B8019A,
    Model Code:
    4JM76,
    Mileage:
    9690
    More
    • AutoCheck
  • 2018 Buick Envision Essence

    • Live Market Price:$34,495
    • Lock-in My Key Price
    Engine:
    2.5L I-4 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Midnight Amethyst,
    Interior Color:
    Ebony,
    Stock #:
    G8010A,
    Model Code:
    4XZ26,
    Mileage:
    1112
    More
    • AutoCheck
  • 2015 Buick LaCrosse Leather

    • Live Market Price:$19,495
    • Lock-in My Key Price
    Engine:
    3.6L V-6 cyl,
    Transmission:
    6-Speed Automatic Electronic with Overdrive,
    Exterior Color:
    Carbon Black Metallic,
    Interior Color:
    Light Neutral/Cocoa Accents,
    Stock #:
    7303A,
    Model Code:
    4GM69,
    Mileage:
    26175
    More
    • AutoCheck
  • 2011 Buick LaCrosse CXL

    • Live Market Price:Please Call
    • Lock-in My Key Price
    Engine:
    3.6L V-6 cyl,
    Transmission:
    6-Speed Automatic Electronic,
    Exterior Color:
    Red Jewel Tintcoat,
    Interior Color:
    cashmere,
    Stock #:
    B8018A,
    Model Code:
    4GM69,
    Mileage:
    99244
    More
    • AutoCheck
  • 2017 Buick Regal Turbo Premium II

    • Live Market Price:$17,495
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Ebony Twilight,
    Interior Color:
    Ebony,
    Stock #:
    J16696,
    Model Code:
    4GS69,
    Mileage:
    36949
    More
    • AutoCheck