The GMC Sierra has a fuel average of 6 to 7 KM/L in the city and 8 to 10 KM/L on the highway. The fuel average of Sierra varies upon variant, transmission, fuel type and driving style. With a fuel tank capacity of 70 L, the GMC Sierra has an approximated driving range of 420.0 to 490.0 KM in the city and 560.0 to 700.0 KM on the Highway. For the latest fuel pricing, whether it's petrol, CNG, or diesel, you can check latest petrol prices.
| Sierra Variants | Average Mileage | City Mileage | Highway Mileage |
|---|---|---|---|
GMC Sierra 1500 5.3L Double Cab SLE5328 cc, Automatic, Petrol |
8.5 KM/L | 7.0 KM/L | 10.0 KM/L |
GMC Sierra 5.3L V8 AT4 Crew Cab5328 cc, Automatic, Petrol |
8.5 KM/L | 7.0 KM/L | 10.0 KM/L |
GMC Sierra 5.3L V8 AT4 Regular Cab5328 cc, Automatic, Petrol |
8.5 KM/L | 7.0 KM/L | 10.0 KM/L |
GMC Sierra 5.3L V8 Elevation Regular Cab5328 cc, Automatic, Petrol |
8.5 KM/L | 7.0 KM/L | 10.0 KM/L |
GMC Sierra 5.3L V8 SLE Crew Cab5328 cc, Automatic, Petrol |
8.5 KM/L | 7.0 KM/L | 10.0 KM/L |
GMC Sierra AT4 (2026 - Present)6162 cc, Automatic, Petrol |
7.0 KM/L | 6.0 KM/L | 8.0 KM/L |
The overall rating of GMC Sierra is 3.0/5.0 based on:
I’ve had the 2002 GMC Sierra for years, and it’s been a dependable workhorse. It handles heavy loads well and has a lot of space. However, the ride is quite rough, and the fuel economy is pretty po...
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