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2021 Nissan

Frontier 4WD

Auto (S9), 6 cyl, 3.8 L

Nissan Frontier: best and worst years
2021 Nissan Frontier 4WD (photo 1 of 2)

Closest available photo (2022 model year); you're viewing the 2021.

2022 photoAlexander MiglCC BY-SA 4.0via Wikimedia Commons

Overview

Body
Standard Pickup Trucks 4WDEPA, from EPA, last updated 6/22/2026
Drivetrain
Part-time 4-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic (S9)EPA, from EPA, last updated 6/22/2026

Engine & performance

HP
310
Power to weight
0.072 hp/lb
Axle ratio
3.69
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/22/2026

Efficiency

Smog score
5/10
Real-world MPG
24.1 mpg, reported by 1 driverabout 5.1 mpg above the EPA combined estimate
SmartWay certified
No

Dimensions & capacity

GVWR class
Class 2E (6,001 to 7,000 lb)NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026

Safety NHTSA record NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★★
Stability control (ESC)
Standard
Forward-collision warning
No
Lane-departure warning
No
Recalls
2
Owner complaints
19 See on NHTSA

Feature availability

Cameras & visibility

  • Backup camera
    Standard

Convenience

  • Push-button start
    Standard

Reported problems NHTSA record NHTSA owner complaints, model year

  • ELECTRICAL SYSTEM17%
  • POWER TRAIN17%
  • UNKNOWN OR OTHER14%
  • AIR BAGS10%
  • FUEL/PROPULSION SYSTEM10%
  • ENGINE3%

Source: NHTSA owner complaints, 29 total.

Nissan Frontier: best and worst years

Known issues manufacturer service bulletins, model year

59 service bulletins filed with NHTSA for this model year

  • Apr 13, 2026STRUCTURE:BODYNTB09-131C

    CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement “Certification Label” or “VIN Plate/Label” may be needed. HINT: Certification Label = FMVSS (Federal Motor Vehicle Safety Standards) label. These items may be available from Nissan by request if certain criteria are met. This bulletin lists the criteria and provides an application form for such replacements. · The “VIN Plate/Label” (metal plate or vinyl label) is a

  • May 21, 2024ELECTRICAL SYSTEMNTB17-127C

    INTELLIGENT KEY INITIALIZATION PROCEDURE STOPS OR WILL NOT CONTINUE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.

  • May 21, 2024ELECTRICAL SYSTEMNTB13-107G

    VEHICLE KEY NOT DETECTED / AUTHENTICATED, ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • May 21, 2024ELECTRICAL SYSTEMNTB13-027D

    CAN COMMUNICATION – NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • May 21, 2024ELECTRICAL SYSTEMNTB10-066C

    CAN COMMUNICATION CODES – DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • Apr 30, 2024VISIBILITY/WIPERNTB17-019H

    WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • Apr 30, 2024VISIBILITY/WIPERNTB13-028I

    REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • Apr 30, 2024VISIBILITY/WIPERNTB09-081K

    WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • and 51 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
3 yr / 36k mi
Powertrain
5 yr / 60k mi
Roadside assistance
3 yr / 36k mi
EV battery
8 yr / 100k mi

Source: www.cars.com as of 2026-06

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.