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2021 Chevrolet Blazer MPG

EPA-rated · verified snapshot 2026-08-30 · Small Sport Utility Vehicle 2WD

The 2021 Chevrolet Blazer gets 25 MPG combined — 22 city and 29 highway — in its most efficient configuration (2.0L · 4-cyl · Automatic 9-spd · Front-Wheel Drive).

25COMBINED MPG
City22 MPG
Highway29 MPG
$2,450Fuel cost / yr (EPA est.)
349 g/miCO₂
RegularFuel
$-1,2505-yr fuel cost vs. average vehicle
5 / 10EPA Fuel Economy & GHG score
Where it sits among compact suvs (2021)

Compared with the 2020 model, the 2021 Blazer is +1 MPG better at its best.

Every 2021 Blazer trim

ConfigurationCityHwyComb.$/yr
2.0L · 4-cyl · Automatic 9-spd · Front-Wheel Drive222925$2,450
2.0L · 4-cyl · Automatic 9-spd · All-Wheel Drive222724$2,550
2.5L · 4-cyl · Automatic (S9) · Front-Wheel Drive212723$2,650
3.6L · 6-cyl · Automatic 9-spd · Front-Wheel Drive202722$2,800
3.6L · 6-cyl · Automatic 9-spd · All-Wheel Drive192621$2,950

FAQ

Does the 2021 Blazer get good gas mileage for its class?
The 2021 Blazer's 25 MPG combined is below the compact suvs average of 28.1 MPG for 2021.
How much does it cost to fuel a 2021 Blazer per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,450 for the most efficient trim.
What is the city and highway MPG of the 2021 Blazer?
The most efficient trim is rated 22 MPG city and 29 MPG highway.