
The following table compares the fuel economies of different models of Chevrolet K20 cars, across model years.
The annual fuel costs (shown in the right-hand columns) are calculated based on an estimated annual mileage of 15,000 miles,
of which 55% of the miles are city driving, and 45% of the miles are highway driving.
Annual Cost 1 assumes a fuel cost of $5.00 per gallon, while Annual Cost 2 assumes a fuel cost of $6.00 per gallon.
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1988 K20 Pickup 4WD | Automatic 3-speed | 6 | 14 | 14 | 15 | $5,196 | $6,235 |
| 1988 K20 Pickup 4WD | Automatic 4-speed | 6 | 16 | 14 | 18 | $4,821 | $5,785 |
| 1988 K20 Pickup 4WD | Manual 4-speed | 6 | 15 | 15 | 17 | $4,735 | $5,682 |
| 1988 K20 Pickup 4WD | Manual 5-speed | 6 | 16 | 15 | 18 | $4,625 | $5,550 |
| 1988 K20 Pickup 4WD | Automatic 3-speed | 8 | 12 | 11 | 13 | $6,346 | $7,615 |
| 1988 K20 Pickup 4WD | Automatic 4-speed | 8 | 14 | 12 | 16 | $5,546 | $6,656 |
| 1988 K20 Pickup 4WD | Manual 5-speed | 8 | 13 | 12 | 16 | $5,546 | $6,656 |
| 1988 K20 Pickup 4WD | Automatic 4-speed | 8 | 14 | 12 | 17 | $5,422 | $6,507 |
| 1988 K20 Pickup 4WD | Manual 4-speed | 8 | 12 | 11 | 14 | $6,160 | $7,392 |
| 1988 K20 Pickup 4WD | Manual 5-speed | 8 | 13 | 11 | 15 | $6,000 | $7,200 |
| 1988 K20 Pickup 4WD | Automatic 4-speed | 8 | 17 | 15 | 20 | $4,437 | $5,325 |
| 1988 K20 Pickup 4WD | Manual 4-speed | 8 | 16 | 16 | 17 | $4,563 | $5,476 |
| 1986 K20 Pickup 4WD | Automatic 4-speed | 8 | 12 | 11 | 15 | $6,000 | $7,200 |
| 1986 K20 Pickup 4WD | Manual 4-speed | 8 | 11 | 9 | 14 | $6,994 | $8,392 |
| 1986 K20 Pickup 4WD | Automatic 4-speed | 8 | 17 | 15 | 20 | $4,437 | $5,325 |
| 1986 K20 Pickup 4WD | Manual 4-speed | 8 | 16 | 15 | 17 | $4,735 | $5,682 |
| 1985 K20 Pickup 4WD | Automatic 4-speed | 8 | 12 | 11 | 15 | $6,000 | $7,200 |
| 1985 K20 Pickup 4WD | Manual 4-speed | 8 | 11 | 9 | 14 | $6,994 | $8,392 |
| 1985 K20 Pickup 4WD | Automatic 4-speed | 8 | 17 | 15 | 20 | $4,437 | $5,325 |
| 1985 K20 Pickup 4WD | Manual 4-speed | 8 | 15 | 15 | 17 | $4,735 | $5,682 |
| 1984 K20 Pickup 4WD | Automatic 4-speed | 8 | 12 | 11 | 15 | $6,000 | $7,200 |
| 1984 K20 Pickup 4WD | Manual 4-speed | 8 | 12 | 11 | 13 | $6,346 | $7,615 |
| 1984 K20 Pickup 4WD | Automatic 4-speed | 8 | 18 | 16 | 20 | $4,265 | $5,118 |
| 1984 K20 Pickup 4WD | Manual 4-speed | 8 | 18 | 17 | 20 | $4,113 | $4,936 |
| 1984 K20 Pickup 4WD | Manual 4-speed | 8 | 17 | 16 | 18 | $4,453 | $5,343 |
Data source: Fuel Economy USA, Reference.