2021 Chevrolet
Trailblazer FWD
Auto (variable gear ratios), 3 cyl, 1.3 L, Turbo
Chevrolet Trailblazer: best and worst years
Closest available photo (2020 model year); you're viewing the 2021.
Overview
- Body
- Small Sport Utility Vehicle 2WDEPA, from EPA, last updated 6/22/2026
- Drivetrain
- Front-Wheel DriveEPA, from EPA, last updated 6/22/2026
- Transmission
- Automatic (variable gear ratios)EPA, from EPA, last updated 6/22/2026
- Powertrain
- GasEPA, from EPA, last updated 6/22/2026
- Fuel
- RegularEPA, from EPA, last updated 6/22/2026
Engine & performance
- HP
- 155
- Power to weight
- 0.051 hp/lb
- Axle ratio
- 5.45
- Cyl
- 3EPA, from EPA, last updated 6/22/2026
- Aspiration
- TurbochargedEPA, from EPA, last updated 6/22/2026
- Start-stop system
- YesEPA, from EPA, last updated 6/22/2026
Efficiency
- MPG Hwy
- 33 mpgEPA, from EPA, last updated 6/22/2026
- MPG City
- 29 mpgEPA, from EPA, last updated 6/22/2026
- MPG Comb
- 31 mpgEPA, from EPA, last updated 6/22/2026
- Fuel $/yr
- $2,000EPA, from EPA, last updated 6/22/2026
- CO₂
- 288 g/miEPA, from EPA, last updated 6/22/2026
- Eco Score
- 7/10EPA, from EPA, last updated 6/22/2026
- Smog score
- 7/10
- Elec. Range
- 0 miEPA, from EPA, last updated 6/22/2026
- Real-world MPG
- 36.3 mpg, reported by 1 driverabout 5.3 mpg above the EPA combined estimate
- SmartWay certified
- Yes
Dimensions & capacity
- Length
- 174 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Width
- 71 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Height
- 66 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Wheelbase
- 104 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Curb Weight
- 3,067 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Safety NHTSA, model year
- Overall crash rating
- ★★★★★
- Rollover rating
- ★★★★★
- Stability control (ESC)
- Standard
- Forward-collision warning
- Standard
- Lane-departure warning
- Standard
- Recalls
- 4
- Owner complaints
- 175
- Reported injuries
- 5
Reported problems NHTSA owner complaints, model year
- UNKNOWN OR OTHER19%
- ELECTRICAL SYSTEM14%
- POWER TRAIN14%
- ENGINE13%
- SERVICE BRAKES11%
- FUEL/PROPULSION SYSTEM6%
Source: NHTSA owner complaints, 253 total.
Chevrolet Trailblazer: best and worst yearsKnown issues manufacturer service bulletins, model year
533 service bulletins filed with NHTSA for this model year
Jun 3, 2026UNKNOWN OR OTHERPIP6032C
PIP6032B provides diagnostic direction for dealers when encountering transmission leaks
May 11, 2026UNKNOWN OR OTHERPIC6551B
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
May 11, 2026UNKNOWN OR OTHERPIC6423A
Pi created to provide GM dealers with information on gathering information for projection issue
Apr 21, 2026UNKNOWN OR OTHERPIP6029A
This PI instructs dealers to install foam around the shifter cable to stop rattling
Apr 1, 2026UNKNOWN OR OTHERPIT3271Q
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
Mar 30, 2026UNKNOWN OR OTHERPIC6553B
This bulletin communicates to a dealer the repair direction that should be taken if they encounter a vibration from the engine when the vehicle is parked facing downhill.
Mar 21, 2026UNKNOWN OR OTHERN25-250552
Improvements to OnStar functionality.
Mar 9, 2026UNKNOWN OR OTHERPIP6104
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
- and 525 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
- 5 yr / 60k mi
- Maintenance
- 1 yr / 12k mi
- EV battery
- 8 yr / 100k mi
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.