2003 Chevrolet Blazer MPG
EPA-rated · verified snapshot 2026-08-30 · Sport Utility Vehicle - 2WD
The 2003 Chevrolet Blazer gets 17 MPG combined — 15 city and 21 highway — in its most efficient configuration (4.3L · 6-cyl · Automatic 4-spd · Rear-Wheel Drive).
City15 MPG
Highway21 MPG
$3,600Fuel cost / yr (EPA est.)
523 g/miCO₂
RegularFuel
$-7,0005-yr fuel cost vs. average vehicle
Where it sits among suvs (2003)
Every 2003 Blazer trim
| Configuration | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|
| 4.3L · 6-cyl · Automatic 4-spd · Rear-Wheel Drive | 15 | 21 | 17 | $3,600 |
| 4.3L · 6-cyl · Manual 5-spd · Rear-Wheel Drive | 14 | 20 | 16 | $3,850 |
| 4.3L · 6-cyl · Automatic 4-spd · 4-Wheel or All-Wheel Drive | 13 | 17 | 15 | $4,100 |
| 4.3L · 6-cyl · Manual 5-spd · 4-Wheel or All-Wheel Drive | 13 | 18 | 15 | $4,100 |
FAQ
Does the 2003 Blazer get good gas mileage for its class?
The 2003 Blazer's 17 MPG combined is above the suvs average of 17 MPG for 2003.
How much does it cost to fuel a 2003 Blazer per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $3,600 for the most efficient trim.
What is the city and highway MPG of the 2003 Blazer?
The most efficient trim is rated 15 MPG city and 21 MPG highway.