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2021 Acura

NSX Hybrid

Auto (AM-S9), 6 cyl, 3.5 L, Turbo

Acura NSX: best and worst years
2021 Acura NSX Hybrid (photo 1 of 2)

Photo may show a different model year; you're viewing the 2021.

PhotoTokumeigakarinoaoshimaCC BY-SA 4.0via Wikimedia Commons

Overview

Transmission
Automatic (AM-S9)EPA, from EPA, last updated 6/22/2026
Base MSRP at launch (NHTSA)
$157,500NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026

Engine & performance

Power to weight
0.131 hp/lb

Efficiency

Smog score
3/10
Real-world MPG
25 mpg, reported by 1 driverabout 4 mpg above the EPA combined estimate
SmartWay certified
No

Dimensions & capacity

GVWR class
Class 1C (4,001 to 5,000 lb)NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026

Safety NHTSA record NHTSA, model year

Stability control (ESC)
Standard
Forward-collision warning
No
Lane-departure warning
No
Recalls
0
Owner complaints
1 See on NHTSA

Feature availability

Cameras & visibility

  • Backup camera
    Standard

Convenience

  • Push-button start
    Standard

Reported problems NHTSA record NHTSA owner complaints, model year

  • UNKNOWN OR OTHER100%

Source: NHTSA owner complaints, 1 total.

Acura NSX: best and worst years

Federal investigations NHTSA record NHTSA defect investigations, model year

  • DP22005opened Jan 27, 2023ELECTRICAL SYSTEM:PROPULSION SYSTEM

    Pedestrian alert sounds

Known issues manufacturer service bulletins, model year

24 service bulletins filed with NHTSA for this model year

  • May 6, 2022STEERINGBTI&05062022905

    Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

  • Apr 13, 2022STEERING:COLUMNBTI&04132022902

    Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

  • Mar 28, 2022EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUALBTI&03282022902

    Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

  • Mar 11, 2022STEERINGBTI&03112022906

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

  • Feb 23, 2022STEERINGBTI&02232022

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

  • Feb 8, 2022STEERINGBTI&02082022903

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

  • Feb 8, 2022STRUCTUREBTI&02082022902

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 NSXs with a client complaint of door rattle in the tweeter area. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

  • Jan 22, 2022STEERINGBTI&01222022904

    Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 NSXs with a client complaint of steering wheel noise. Noise can be described as a rattle, clicking, or knocking. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

  • and 16 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
6 yr / 70k mi
Roadside assistance
4 yr / 50k 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.