
The following table compares the fuel economies of different models of BMW 3 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 3 Series | Manual 5-speed | 4 | 18 | 15 | 26 | $4,048 | $4,857 |
| 1988 3 Series | Manual 5-speed | 4 | 18 | 15 | 26 | $4,048 | $4,857 |
| 1988 3 Series | Automatic 4-speed | 6 | 18 | 16 | 21 | $4,185 | $5,022 |
| 1988 3 Series | Automatic 4-speed | 6 | 18 | 17 | 21 | $4,033 | $4,840 |
| 1988 3 Series | Manual 5-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1988 3 Series | Manual 5-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1988 3 Series | Automatic 4-speed | 6 | 19 | 18 | 22 | $3,825 | $4,590 |
| 1988 3 Series | Manual 5-speed | 6 | 20 | 18 | 24 | $3,697 | $4,437 |
| 1987 3 Series | Automatic 4-speed | 6 | 18 | 16 | 21 | $4,185 | $5,022 |
| 1987 3 Series | Manual 5-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1987 3 Series | Automatic 4-speed | 6 | 20 | 18 | 25 | $3,641 | $4,370 |
| 1987 3 Series | Manual 5-speed | 6 | 21 | 19 | 26 | $3,469 | $4,162 |
| 1986 3 Series | Automatic 4-speed | 6 | 20 | 18 | 25 | $3,641 | $4,370 |
| 1986 3 Series | Manual 5-speed | 6 | 21 | 19 | 26 | $3,469 | $4,162 |
| 1985 3 Series | Automatic 4-speed | 4 | 21 | 19 | 24 | $3,577 | $4,292 |
| 1985 3 Series | Manual 5-speed | 4 | 23 | 21 | 26 | $3,262 | $3,914 |
| 1985 3 Series | Automatic 4-speed | 6 | 21 | 18 | 25 | $3,641 | $4,370 |
| 1985 3 Series | Manual 5-speed | 6 | 21 | 19 | 26 | $3,469 | $4,162 |
| 1984 3 Series | Automatic 3-speed | 4 | 23 | 21 | 24 | $3,370 | $4,044 |
| 1984 3 Series | Manual 5-speed | 4 | 24 | 21 | 27 | $3,214 | $3,857 |
| 1984 3 Series | Automatic 4-speed | 6 | 20 | 18 | 25 | $3,641 | $4,370 |
| 1984 3 Series | Manual 5-speed | 6 | 21 | 18 | 26 | $3,589 | $4,307 |
| 1984 3 Series | Automatic 3-speed | 4 | 23 | 21 | 24 | $3,370 | $4,044 |
| 1984 3 Series | Manual 5-speed | 4 | 24 | 21 | 27 | $3,214 | $3,857 |
| 1984 3 Series | Automatic 4-speed | 6 | 20 | 18 | 25 | $3,641 | $4,370 |
| 1984 3 Series | Manual 5-speed | 6 | 21 | 18 | 26 | $3,589 | $4,307 |
Data source: Fuel Economy USA, Reference.