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2021 Chevrolet TrailBlazer RS AWD
Shown: 2021 Chevrolet TrailBlazer RS AWD. Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons
  • Gas
  • Small SUVs
  • MY2002–2026

Chevrolet TrailBlazer MPG & Fuel Cost by Year

14 model years · 2002–2026

31 MPG
Combined
29 MPG
City
33 MPG
Highway
Annual cost · MY2026 TrailBlazer 1.3L 3-cyl turbo FWD
$2,110

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

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Chevrolet TrailBlazer fuel economy at a glance

EPA has rated the Chevrolet TrailBlazer for 14 model years, 2002 to 2026. Across those years its combined rating runs 13–31 MPG. The latest model year, 2026, has 3 configurations rated 27–31 MPG combined and costing $2,110–$2,420 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2002 is the 2026 TrailBlazer 1.3L 3-cyl turbo FWD, at 31 MPG.

Chevrolet TrailBlazer MPG by year

101520253035 200220212026 Gas 101520253035 200220212026 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Chevrolet TrailBlazer: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2021-2026 Generation page
2026 27–31 $2,110–$2,420
2025 27–31 $2,080–$2,420
2024 27–31 $2,080–$2,420
2023 28–31 $2,130–$2,300
2022 28–31 $2,130–$2,300
2021 28–31 $2,120–$2,320
2002-2009 (KC) Generation page
2009 13–17 $3,840–$5,030
2008 13–17 $3,840–$6,180
2007 14–17 $3,840–$5,740
2006 14–16 $4,080–$5,740
2005 14–16 $4,080–$4,670
2004 15–16 $4,080–$4,360
2003 14–16 $4,080–$4,670
2002 15–16 $4,080–$4,360

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Chevrolet TrailBlazer generations

2 generations between 2002 and 2026. Open one for the table of every model year and configuration.

2026 powertrain options

Gas · 1.2L, 1.3L
Combined
27–31 MPG
Per year
$2,110–$2,420
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Chevrolet TrailBlazer's gas mileage by year?

EPA combined ratings for the Chevrolet TrailBlazer run 13–31 MPG across model years 2002 to 2026. The latest year, 2026, is rated 27–31 MPG.

Which Chevrolet TrailBlazer model year has the best gas mileage?

The 2026 Chevrolet TrailBlazer TrailBlazer 1.3L 3-cyl turbo FWD has the highest combined rating since 2002, at 31 MPG.

How much does a Chevrolet TrailBlazer cost to fuel per year?

For MY2026, EPA-rated configurations cost $2,110–$2,420 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,110.

Has the Chevrolet TrailBlazer's fuel economy improved over time?

Yes. The most efficient configuration moved from 16 MPG in 2002 to 31 MPG in 2026, 15 MPG more.

How many generations of the Chevrolet TrailBlazer are there?

EPA data covers 2 generations of the Chevrolet TrailBlazer: 2021-2026, 2002-2009. Each has its own page with a table for every model year.