2021 Chevrolet Trailblazer FWDFuel Economy & MPG Ratings

Gasoline Small Sport Utility Vehicle 2WDFront-Wheel Drive
City
29
MPG
Highway
33
MPG
Combined
31
MPG

Real-World MPG

Based on 1 owner report via EPA fueleconomy.gov

36.3MPG average+17.2% vs EPA label
EPA combined: 31 MPG · Owner reported avg: 36.3 MPG

Driving mix: City 50% / Highway 50%

Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.

Owner reported MPG for this vehicle averages 36.3 real world MPG based on 1 owner report. EPA combined rating is 31 MPG.

Trim Comparison

Automatic (variable gear ratios)
Regular
City
29
Hwy
33
Comb
31
Fuel cost: $2,200/yr
Automatic (variable gear ratios)
Regular
City
28
Hwy
31
Comb
29
Fuel cost: $2,350/yr
Annual Fuel Cost
$2,200

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$1,000

vs. average new vehicle

EPA Fuel Economy Score: 7/10
GHG Score: 7/10

Environment

CO₂ Tailpipe Emissions
288 g/mile
Annual Petroleum Consumption
9.6 barrels

Specifications

Engine
1.3L 3-cyl
Transmission
Automatic
Drivetrain
FWD
Body Style
SUV/Crossover
GVWR
Class 1 (≤6,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
1.3L, 3-cylinder
Induction Type
Direct Injection
Efficiency Tech
Auto Start-Stop
Fuel Type
Regular Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$2,173/yr
California
$5.957/gal$2,882/yr
Texas
$3.888/gal$1,881/yr
Florida
$4.136/gal$2,001/yr
New York
$4.522/gal$2,188/yr
Ohio
$4.510/gal$2,182/yr
Washington
$5.591/gal$2,705/yr
Colorado
$4.618/gal$2,235/yr
Minnesota
$4.344/gal$2,102/yr
Massachusetts
$4.448/gal$2,152/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 31 MPG combined. Regular gasoline prices. Actual costs vary.

Recall History

Source: NHTSA

No recalls reported for this vehicle.

Owner-Reported Problems172 complaints

Source: NHTSA

NHTSA has received 172 owner complaints for the 2021 Chevrolet Trailblazer FWD. Top reported issues include power train, electrical system and engine. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Power Train
35
Electrical System
34
Engine
34
Brakes
30
Fuel System
17
Advanced Safety (ADAS)
10
Structure
8
Steering
6

2021 Chevrolet Trailblazer FWD problems by category: Power Train: 35 complaints, Electrical System: 34 complaints, Engine: 34 complaints, Brakes: 30 complaints, Fuel System: 17 complaints, Advanced Safety (ADAS): 10 complaints, Structure: 8 complaints, Steering: 6 complaints.

14
Crashes Reported
5
Fires Reported
8
Injuries Reported

Sample Owner Complaints

Electrical SystemFiled: 11/20/2025ODI#11700638
The issue is the yellow engine light lit up on the dash of my 2021 Trailblazer in late August of 2025. At the same time, the cluster displayed the message "Engine Power is Reduced". Over the next fe…
Power TrainFiled: 08/27/2025ODI#11683489
My vehicle displayed a Shift to Park message even though I was already in Park. I could not turn off the engine, I could not lock my car. I had to go back into Drive and then Park mode and wiggle the…
SteeringFiled: 08/29/2022ODI#11481702
I have had the 2021 Chevy Trailblazer since May 2021, it has been 15 months, not even a year and a half off the lot and i have had wayyyy too many problems. I have has service the stabilitrak stabilit…

Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.

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