2021 Chevrolet Blazer
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2021 models.
- Class
- Small Sport Utility Vehicle 2WD
- Body styles
- 2.0l FWD 4dr SUV, 3.6l AWD 4dr SUV, 3.6l FWD 4dr SUV
- Engines
- 2.0L 4-cyl turbo, 2.5L 4-cyl, 3.6L 6-cyl
- Drivetrain
- Front-Wheel Drive, All-Wheel Drive
- Fuel
- Regular Gasoline
- MPG (best)
- 25 combined · 22 city / 29 hwy
- Length
- 191.3 in
- Curb weight
- 3,781–4,211 lb
- NHTSA rating
- ★★★★★
- Recalls
- 1 campaign
Pros & cons
What's good
- AWD / 4WD available
- 5-star NHTSA safety ratingTop overall score in federal crash tests.
Watch out for
No weak spots against similar models in the data.
Calculated from EPA, NHTSA and vPIC data against 30 similar 2021 models — not a review. How we calculate this →
Overview
The 2021 Chevrolet Blazer is a small SUV offered with 3 engines (2.0L 4-cyl turbo, 2.5L 4-cyl and 3.6L 6-cyl) and front-wheel drive and all-wheel drive.
It measures about 191 inches long and 77 inches wide on a 113-inch wheelbase, with a curb weight of roughly 3,781 lb (2.0l FWD 4dr SUV).
EPA rates its most efficient version at 25 MPG combined (22 city / 29 highway), 5% worse than the 2021 small SUV average of 26.4 MPG, for an estimated $2,700 a year in fuel.
In NHTSA crash testing it earned the top 5-star overall rating.
It has 1 recall campaign on file and owners have filed 141 complaints with NHTSA since 2015, most often about the engine.
What changed for 2021
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2020 Blazer — a carry-over year in the data.
Compared with 2020; trim, feature and price changes aren't covered. See the 2020 Blazer →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 2.0l FWD 4dr SUV | 191.3 in | 76.8 in | 66.9 in | 112.6 in | 66.5 / 66.1 in | 3,781 lb | 59/41 |
| 3.6l AWD 4dr SUV | 191.3 in | 76.8 in | 66.9 in | 112.6 in | 66.5 / 66.1 in | 4,211 lb | 59/41 |
| 3.6l FWD 4dr SUV | 191.3 in | 76.8 in | 66.9 in | 112.6 in | 66.5 / 66.1 in | 4,008 lb | 59/41 |
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 |
|---|---|---|---|---|---|---|---|
| Blazer FWD | 2.0L 4-cyl turbo | Automatic 9-spd | Front-Wheel Drive | 22 / 29 / 25 | -5% | $2,700 | 349 |
| Blazer AWD | 2.0L 4-cyl turbo | Automatic 9-spd | All-Wheel Drive | 22 / 27 / 24 | 0% | $2,800 | 362 |
| Blazer FWD | 2.5L 4-cyl | Automatic (S9) | Front-Wheel Drive | 21 / 27 / 23 | -13% | $2,900 | 382 |
| Blazer FWD | 3.6L 6-cyl | Automatic 9-spd | Front-Wheel Drive | 20 / 27 / 22 | -17% | $3,050 | 404 |
| Blazer AWD | 3.6L 6-cyl | Automatic 9-spd | All-Wheel Drive | 19 / 26 / 21 | -12% | $3,200 | 413 |
EPA estimates; "vs. class" is combined MPG against the 2021 EPA class average. How we calculate this →
Safety ratings & technology
| Version | Overall | Frontal | Driver / passenger | Side | Side pole | Rollover | Rollover risk |
|---|---|---|---|---|---|---|---|
| 2021 Chevrolet Blazer SUV AWD | ★★★★★ | ★★★★★ | 5★ / 4★ | ★★★★★ | ★★★★★ | ★★★★★ | 14.7% |
| 2021 Chevrolet Blazer SUV FWD | ★★★★★ | ★★★★★ | 5★ / 4★ | ★★★★★ | ★★★★★ | ★★★★★ | 15.5% |


Similar 2021 small SUVs
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2021 Chevrolet Blazer (this car) | 25 MPG | ★★★★★ | 1 |
| 2021 Toyota RAV4 Prime | 38 MPG | Not rated | 4 |
| 2021 Toyota 4Runner | 17 MPG | ★★★★★ | 1 |
| 2021 Ford Explorer | 27 MPG | ★★★★★ | 27 |
| 2021 Subaru Forester | 29 MPG | ★★★★★ | 0 |
| 2021 Toyota Highlander | 36 MPG | ★★★★★ | 5 |
| 2021 Jeep Grand Cherokee | 21 MPG | ★★★★★ | 16 |
Recalls (1)
Seat Belts › Critical Fasteners · Dec 23, 2020
NHTSA campaign 20V811000 · 470 vehicles
- Problem
- General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.
- Risk
- If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly restrain an occupant in the event of a crash, increasing the risk of injury.
- Fix
- GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202322230.
Not every 2021 Chevrolet Blazer is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2021 Chevrolet Blazer buyer's checklist
- Run the VIN at nhtsa.gov/recalls. 1 recall this year — ask for proof of repairs.
- Engine — 42 owner reports. Cold-start the engine, listen for knocking, and watch for warning lights or hesitation on acceleration.
- Electrical System — 39 owner reports. Test every window, lock, light, screen and USB port; check the battery age.
- Service Brakes — 19 owner reports. Brake firmly from speed; check for pulling, pulsing pedal or ABS warning light.
- Mileage to watch. Owners typically reported problems around 36,463 miles; ask what was repaired near that point.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2021 Chevrolet Blazer. Not a substitute for a professional inspection.
Other Blazer years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2027 Blazer | 312 mi | – | Not rated | 0 | 0 |
| 2026 Blazer | 25 | 191.3 in | Not rated | 1 | 1 |
| 2025 Blazer | 25 | 192.1 in | ★★★★★ | 3 | 55 |
| 2024 Blazer | 25 | 191.3 in | ★★★★★ | 5 | 130 |
| 2023 Blazer | 25 | 191.3 in | ★★★★★ | 2 | 44 |
| 2022 Blazer | 25 | 191.3 in | ★★★★★ | 1 | 54 |
| 2020 Blazer | 24 | 191.3 in | ★★★★★ | 3 | 224 |
| 2019 Blazer | 24 | 191.3 in | ★★★★★ | 2 | 189 |
| 2005 Blazer | 17 | 176.8 in | Not rated | 0 | 2 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Chevrolet. How we calculate this →