2021 Acura NSX
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2021 models.

- Class
- Two Seaters
- Body styles
- NSX
- Engines
- 3.5L 6-cyl turbo
- Horsepower
- 500 hp
- Transmission
- 9-speed dual-clutch
- Drivetrain
- All-Wheel Drive
- Seats
- 2
- Fuel
- Hybrid
- MPG (best)
- 21 combined · 21 city / 22 hwy
- Length
- 176 in
- Curb weight
- 3,803 lb
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- Hybrid version availableOffered as a hybrid as well as gas.
- No recalls so far
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 5 similar 2021 models — not a review. How we calculate this →
Overview
The 2021 Acura NSX is a two seaters offered with a 3.5L 6-cyl turbo engine, including a hybrid version and all-wheel drive.
It measures about 176 inches long and 76 inches wide on a 104-inch wheelbase, with a curb weight of roughly 3,803 lb.
EPA rates its most efficient version at 21 MPG combined (21 city / 22 highway), 10% better than the 2021 two seaters average of 19.1 MPG, for an estimated $3,900 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 0 recall campaigns on file and owners have filed 1 complaint with NHTSA since 2015, most often about the unknown or other.
What changed for 2021
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2020 NSX — a carry-over year in the data.
Compared with 2020; trim, feature and price changes aren't covered. See the 2020 NSX →
Trims, performance & features
Safety & driver-assist features
Built in: Marysville, Ohio
NHTSA vPIC, as reported by the manufacturer for 1 2021 NSX configuration; may not list every trim. How we calculate this →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| NSX | 176 in | 76.4 in | 48 in | 103.5 in | 65.4 / 63.8 in | 3,803 lb | 42/58 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| NSX Hybrid Hybrid | 3.5L 6-cyl turbo | Automatic (AM-S9) | All-Wheel Drive | 21 / 22 / 21 | +10% | $3,900 | 420 |
EPA estimates; "vs. class" is combined MPG against the 2021 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2021 Acura NSX.
Similar 2021 two seaterss
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2021 Acura NSX (this car) | 21 MPG | Not rated | 0 |
| 2021 Porsche 911 | 21 MPG | Not rated | 8 |
| 2021 Mercedes-Benz AMG GT | 22 MPG | Not rated | 12 |
| 2021 Jaguar F-Type | 26 MPG | Not rated | 1 |
| 2021 BMW Z4 | 28 MPG | Not rated | 5 |
| 2021 Porsche 718 | 24 MPG | Not rated | 2 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2021 Acura NSX.
Check your VIN for open recalls at NHTSA ↗Not every 2021 Acura NSX is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2021 Acura NSX buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Hybrid system. Check for hybrid-system warning lights and ask whether the high-voltage battery has been replaced or is still under warranty.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2021 Acura NSX. Not a substitute for a professional inspection.
Other NSX years
Compare all years →Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Acura. How we calculate this →