DecodedCars2021 Mazda 6
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2021 models.
- Class
- Midsize Cars
- Engines
- 2.5L 4-cyl, 2.5L 4-cyl turbo
- Drivetrain
- Front-Wheel Drive
- Fuel
- Regular Gasoline
- MPG (best)
- 29 combined · 26 city / 35 hwy
- Length
- –
- Curb weight
- –
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- Few owner complaints0 complaints filed with NHTSA versus about 27 for similar models.
- No recalls so far
Watch out for
No weak spots against similar models in the data.
Calculated from EPA, NHTSA and vPIC data against 22 similar 2021 models — not a review. How we calculate this →
Overview
The 2021 Mazda 6 is a midsize car offered with 2 engines (2.5L 4-cyl and 2.5L 4-cyl turbo) and front-wheel drive.
EPA rates its most efficient version at 29 MPG combined (26 city / 35 highway), 6% better than the 2021 midsize car average of 27.4 MPG, for an estimated $2,300 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
There are no recalls or owner complaints on file with NHTSA for this model year.
What changed for 2021
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2020 6 — a carry-over year in the data.
Compared with 2020; trim, feature and price changes aren't covered. See the 2020 6 →
Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| 6 | 2.5L 4-cyl | Automatic (S6) | Front-Wheel Drive | 26 / 35 / 29 | +6% | $2,300 | 302 |
| 6 | 2.5L 4-cyl turbo | Automatic (S6) | Front-Wheel Drive | 23 / 31 / 26 | -5% | $2,600 | 335 |
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 Mazda 6.
Similar 2021 midsize cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2021 Mazda 6 (this car) | 29 MPG | Not rated | 0 |
| 2021 Honda Civic | 36 MPG | ★★★★★ | 4 |
| 2021 Toyota Camry | 52 MPG | ★★★★★ | 1 |
| 2021 Toyota Prius | 56 MPG | ★★★★★ | 0 |
| 2021 Subaru Impreza | 32 MPG | ★★★★★ | 2 |
| 2021 Hyundai Elantra | 54 MPG | ★★★★★ | 7 |
| 2021 Chevrolet Malibu | 32 MPG | ★★★★★ | 2 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2021 Mazda 6.
Check your VIN for open recalls at NHTSA ↗Not every 2021 Mazda 6 is affected — only a VIN check confirms your car.
Owner-reported problems
No owner complaints for the 2021 Mazda 6 in NHTSA's database since 2015.
Used 2021 Mazda 6 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2021 Mazda 6. Not a substitute for a professional inspection.
Other 6 years
Compare all years →Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Mazda. How we calculate this →