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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  • 2015 Acura RDX Base

    • Live Market Price:$24,295
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Basque Red Pearl II,
    Interior Color:
    Parchment,
    Stock #:
    J16491,
    Model Code:
    TB4H3FJNW,
    Mileage:
    38056
    More
    • AutoCheck
  • 2015 Acura RDX Base w/Technology Package

    • Live Market Price:$24,995
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    White Diamond Pearl,
    Interior Color:
    Parchment,
    Stock #:
    J16338,
    Model Code:
    TB4H5FKNW,
    Mileage:
    45642
    More
    • Certified
    • AutoCheck
  • 2015 Acura RDX Base w/Technology Package

    • Live Market Price:$27,457
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Black,
    Interior Color:
    Ebony,
    Stock #:
    J16487,
    Model Code:
    TB4H5FKNW,
    Mileage:
    20953
    More
    • AutoCheck
  • 2015 Acura RDX Base w/Technology Package

    • Live Market Price:$26,795
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Black,
    Interior Color:
    Parchment,
    Stock #:
    J16490,
    Model Code:
    TB4H5FKNW,
    Mileage:
    28062
    More
    • AutoCheck
  • 2015 Acura RDX Base w/Technology Package

    • Live Market Price:$26,987
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Graphite Luster Metallic,
    Interior Color:
    Parchment,
    Stock #:
    J16489,
    Model Code:
    TB4H5FKNW,
    Mileage:
    24117
    More
    • Certified
    • AutoCheck
  • 2015 Acura RDX Base

    • Live Market Price:$24,995
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Crystal Black Pearl,
    Interior Color:
    Ebony,
    Stock #:
    J16340,
    Model Code:
    TB4H3FJNW,
    Mileage:
    34557
    More
    • Certified
    • AutoCheck
  • 2016 Acura RLX Sport Hybrid Base w/Advance Package

    • Live Market Price:$41,999
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    7 Speed Dual Clutch DCT,
    Exterior Color:
    Graphite,
    Stock #:
    A8132A,
    Model Code:
    KC2F9GKNW,
    Mileage:
    22346
    More
    Radio: Krell Premium Audio System (SiriusXM Satellite Radio, Acura Navigation System w/3D View)
    • AutoCheck
  • 2015 Acura TLX TLX 3.5 V-6 9-AT SH-AWD with Technology Package

    • Live Market Price:$26,995
    • Lock-in My Key Price
    Engine:
    3.5L V-6 cyl,
    Transmission:
    9-Speed Automatic,
    Exterior Color:
    Crystal Black Pearl,
    Interior Color:
    Ebony,
    Stock #:
    J16488,
    Model Code:
    UB3F5FKNW,
    Mileage:
    20076
    More
    • AutoCheck
  • 2017 Audi Q3 2.0T Premium

    • Live Market Price:$27,497
    • Lock-in My Key Price
    Engine:
    2.0L TFSI four-cylinder engine,
    Transmission:
    6-Speed Automatic with Tiptronic,
    Exterior Color:
    Cortina white,
    Interior Color:
    Rock gray,
    Stock #:
    J16510,
    Model Code:
    8UG5CL,
    Mileage:
    21355
    More
    • AutoCheck
  • 2017 Audi Q5 2.0T Premium

    • Live Market Price:$31,775
    • Lock-in My Key Price
    Engine:
    2.0L TFSI four-cylinder engine,
    Transmission:
    8-Speed Automatic with Tiptronic,
    Exterior Color:
    Brilliant black,
    Interior Color:
    Black,
    Stock #:
    J16385,
    Model Code:
    8RB52A,
    Mileage:
    30127
    More
    • AutoCheck
  • 2016 Audi Q5 3.0T Premium Plus

    • Live Market Price:$33,452
    • Lock-in My Key Price
    Engine:
    3.0L TFSI V6 engine,
    Transmission:
    8-Speed Automatic with Tiptronic,
    Exterior Color:
    Black,
    Interior Color:
    Black,
    Stock #:
    P6377,
    Model Code:
    8RB57A,
    Mileage:
    35200
    More
    • AutoCheck
  • 2013 Audi S4 3.0T

    • Live Market Price:$26,304
    • Lock-in My Key Price
    Engine:
    3.0L V-6 cyl,
    Transmission:
    7-Speed Automatic S tronic,
    Exterior Color:
    Silver,
    Interior Color:
    Black,
    Stock #:
    P6287,
    Model Code:
    8K254Y,
    Mileage:
    50111
    More
    • AutoCheck
  • 2013 Audi S4 3.0T Premium Plus

    • Live Market Price:$26,304
    • Lock-in My Key Price
    Engine:
    3L V6 TFSI DOHC Supercharged,
    Transmission:
    7-Speed Automatic S tronic,
    Exterior Color:
    Silver,
    Interior Color:
    Black,
    Stock #:
    P6287,
    Model Code:
    8K254Y,
    Mileage:
    50111
    More
    • AutoCheck
  • 2016 BMW 328i xDrive SULEV

    • Live Market Price:$24,495
    • 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
  • 2014 BMW 428i w/SULEV

    • Live Market Price:$30,385
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic Sport,
    Exterior Color:
    Alpine White,
    Interior Color:
    Saddle Brown,
    Stock #:
    B0588,
    Model Code:
    144J,
    Mileage:
    36457
    More
    • AutoCheck
  • 2018 BMW 430i xDrive

    • Live Market Price:$38,999
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic Sport,
    Exterior Color:
    Mineral Gray,
    Interior Color:
    Black,
    Stock #:
    J16386,
    Model Code:
    184O,
    Mileage:
    16530
    More
    Sport Seats (Power Front Seats)
    • AutoCheck
  • 2016 BMW 528i xDrive

    • Live Market Price:$30,000
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic,
    Exterior Color:
    White,
    Stock #:
    J16383,
    Model Code:
    165B,
    Mileage:
    45659
    More
    Power Front Seats (Lumbar Support)
    • AutoCheck
  • 2014 BMW X1 xDrive28i Xdrive28i

    • Live Market Price:$15,694
    • 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:
    92537
    More
    • AutoCheck
  • 2017 BMW X3 xDrive28i

    • Live Market Price:$29,497
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    8-Speed Automatic,
    Exterior Color:
    White,
    Interior Color:
    Sand Beige/Black,
    Stock #:
    J16387,
    Model Code:
    17XD,
    Mileage:
    28812
    More
    • AutoCheck
  • 2014 BMW X3 xDrive35i Xdrive35i

    • Live Market Price:$21,499
    • Lock-in My Key Price
    Engine:
    3.0L I-6 cyl,
    Transmission:
    8-Speed Automatic,
    Exterior Color:
    Blue,
    Stock #:
    X0808,
    Model Code:
    14XE,
    Mileage:
    67300
    More
    • AutoCheck
  • 2014 BMW i3 Base

    • Live Market Price:$18,295
    • Lock-in My Key Price
    Engine:
    Electric ZEV 170hp,
    Transmission:
    Single-Speed Automatic,
    Exterior Color:
    Andesite Silver Met w BMW i Frozen Blue Accent,
    Interior Color:
    Tera Dalbergia Brown,
    Stock #:
    X0871A,
    Model Code:
    14IA,
    Mileage:
    16056
    More
    • AutoCheck
  • 2015 Buick Enclave Leather

    • Live Market Price:$26,994
    • Lock-in My Key Price
    Engine:
    3.6L V-6 cyl,
    Transmission:
    6-Speed Automatic Electronic with Overdrive,
    Exterior Color:
    White,
    Interior Color:
    Ebony,
    Stock #:
    M1219,
    Model Code:
    4V14526,
    Mileage:
    47842
    More
    Radio: Color Touch AM/FM/CD w/IntelliLink (SiriusXM Satellite Radio)
    • AutoCheck
  • 2015 Buick Encore Leather

    • Live Market Price:$18,499
    • Lock-in My Key Price
    Engine:
    1.4L I-4 cyl,
    Transmission:
    6-Speed Automatic Electronic with Overdrive,
    Exterior Color:
    Black,
    Stock #:
    M1118,
    Model Code:
    4JN76,
    Mileage:
    20482
    More
    Radio: AM/FM Audio System w/MP3 CD Player, Front Bucket Seats
    • AutoCheck
  • 2017 Buick Envision Essence

    • Live Market Price:$25,695
    • Lock-in My Key Price
    Engine:
    2.5L I-4 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Ebony Twilight,
    Interior Color:
    Chestnut Brown/Ebony Accents,
    Stock #:
    K0304,
    Model Code:
    4XZ26,
    Mileage:
    13870
    More
    Front Bucket Seats, Radio: Buick IntelliLink AM/FM Stereo
    • AutoCheck
  • 2016 Buick Envision Premium I

    • Live Market Price:$27,995
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Ebony Twilight,
    Interior Color:
    Ebony/Ebony Accents,
    Stock #:
    7313A,
    Model Code:
    4XT26,
    Mileage:
    24714
    More
    Front Bucket Seats, Radio: Buick IntelliLink AM/FM Stereo
    • AutoCheck
  • 2017 Buick LaCrosse Essence

    • Live Market Price:$25,495
    • Lock-in My Key Price
    Engine:
    3.6L V-6 cyl,
    Transmission:
    8-Speed Automatic,
    Exterior Color:
    White Frost Tricoat,
    Interior Color:
    Ebony/Ebony Accents,
    Stock #:
    J16246,
    Model Code:
    4ZB79,
    Mileage:
    14581
    More
    Front Bucket Seats, Radio: Buick IntelliLink AM/FM Stereo
    • AutoCheck
  • 2016 Buick LaCrosse Leather

    • Live Market Price:$18,795
    • Lock-in My Key Price
    Engine:
    3.6L V-6 cyl,
    Transmission:
    6-Speed Automatic Electronic with Overdrive,
    Exterior Color:
    Graphite Gray Metallic,
    Interior Color:
    Ebony/Ebony Accents,
    Stock #:
    J16245,
    Model Code:
    4GM69,
    Mileage:
    44176
    More
    Radio: Buick IntelliLink AM/FM Stereo w/CD Player, Heated Front Bucket Seats
    • AutoCheck
  • 2015 Buick LaCrosse Leather

    • Live Market Price:$19,895
    • 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
    Radio: Buick IntelliLink AM/FM Stereo w/CD Player, Heated Front Bucket Seats
    • AutoCheck
  • 2012 Buick LaCrosse

    • Live Market Price:$8,495
    • Lock-in My Key Price
    Engine:
    3.6L V-6 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Carbon Black Metallic,
    Interior Color:
    Ebony,
    Stock #:
    P6388,
    Model Code:
    4GM69,
    Mileage:
    125233
    More
    Radio: AM/FM w/MP3 CD Player (SIRIUSXM Satellite Radio)
    • AutoCheck
  • 2015 Buick Regal Turbo

    • Live Market Price:$16,995
    • Lock-in My Key Price
    Engine:
    2.0L I-4 cyl,
    Transmission:
    6-Speed Automatic,
    Exterior Color:
    Summit White,
    Interior Color:
    Ebony,
    Stock #:
    K0315,
    Model Code:
    4GC69,
    Mileage:
    42580
    More
    Front Bucket Seats, Radio: Buick IntelliLink AM/FM Stereo w/CD Player
    • AutoCheck
  • 2014 Buick Verano Convenience Group

    • Live Market Price:$13,695
    • Lock-in My Key Price
    Engine:
    2.4L I-4 cyl,
    Transmission:
    6-Speed Automatic Electronic with Overdrive,
    Exterior Color:
    White Diamond Tricoat,
    Interior Color:
    Medium Titanium,
    Stock #:
    B8000A,
    Model Code:
    4PG69,
    Mileage:
    22102
    More
    Radio: AM/FM/SiriusXM Stereo w/MP3 CD Player (SiriusXM Satellite Radio)
    • AutoCheck