Gas Mileage Summary
| City | 14 mpg (16.8 litres/100km) |
|---|---|
| Highway | 17 mpg (13.8 litres/100km) |
| Combined | 15 mpg (15.7 litres/100km) |
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Found 93 of 25217 records in table Fuel Economy Specs
Now Showing 3 of 93 
Current Record: 1989 GMC C2500 SIERRA 2WD #6421
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| Full_name | 1989 GMC C2500 SIERRA 2WD |
|---|---|
| Year | 1989 |
| Make | GMC |
| Model | C2500 SIERRA 2WD |
| Fuel system | FI |
| Engine Size | 262 cubic inches (4.3 litres) |
| Transmission | M4C |
| Drive | Rear wheel drive |
| Class | 12 |
| Fuel type | Regular Gasoline |
| Cylinders | 6 |
| Engine id | 4825 |
| Mileage (city) | 16 mpg (14.7 litres/100km) |
| Mileage (hwy) | 18 mpg (13.1 litres/100km) |
| Mileage (combined) | 17 mpg (13.8 litres/100km) |
| Unadj city mpg | 17 |
| Unadj hwy mpg | 23 |
| Unadj combined mpg | 19 |
| Average annual fuel | $838 |
| Engine desc 1 | (FFS) |