2020 Chevrolet

Blazer FWD

Auto 9-spd, 6 cyl, 3.6 L

Chevrolet Blazer: best and worst years

Overview

Body: Small Sport Utility Vehicle 2WDEPA, from EPA, last updated 6/11/2026
Drivetrain: Front-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission: Automatic 9-spdEPA, from EPA, last updated 6/11/2026
Powertrain: GasEPA, from EPA, last updated 6/11/2026
Fuel: RegularEPA, from EPA, last updated 6/11/2026

Engine & performance

HP: 308
Power to weight: 0.077 hp/lb
Axle ratio: 3.49
Cyl: 6EPA, from EPA, last updated 6/11/2026
Aspiration: Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Start-stop system: YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy: 26 mpgEPA, from EPA, last updated 6/11/2026
MPG City: 19 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb: 21 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr: $2,950EPA, from EPA, last updated 6/11/2026
CO₂: 414 g/miEPA, from EPA, last updated 6/11/2026
Eco Score: 4/10EPA, from EPA, last updated 6/11/2026
Smog score: 6/10
Elec. Range: 0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified: No

Dimensions & capacity

Length: 191 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width: 77 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height: 67 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase: 113 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight: 4,008 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: Optional
Lane-departure warning: Optional
Recalls: 3
Owner complaints: 202
Reported injuries: 7

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.

Standard

Reported problems NHTSA owner complaints, model year

ELECTRICAL SYSTEM20%
POWER TRAIN20%
ENGINE20%
UNKNOWN OR OTHER16%
STEERING11%
SERVICE BRAKES2%

Source: NHTSA owner complaints, 334 total.

Chevrolet Blazer: best and worst years

Known issues manufacturer service bulletins, model year

615 service bulletins filed with NHTSA for this model year

Apr 1, 2026UNKNOWN OR OTHERPIT3271Q
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
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.
Mar 9, 2026UNKNOWN OR OTHERPIP4902V
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Mar 2, 2026UNKNOWN OR OTHERPIT6425D
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
Feb 4, 2026UNKNOWN OR OTHERPIP5841H
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
Jan 16, 2026UNKNOWN OR OTHERPIT6425C
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
Jan 14, 2026UNKNOWN OR OTHERPIP6098
This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
Jan 10, 2026UNKNOWN OR OTHERPIP5841G
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
and 607 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.