
The following table compares the fuel economies of different models of Oldsmobile Firenza 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 |
|---|---|---|---|---|---|---|---|
| 1985 Firenza Cruiser Wagon | Automatic 3-speed | 4 | 22 | 19 | 26 | $3,469 | $4,162 |
| 1985 Firenza Cruiser Wagon | Manual 4-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1985 Firenza Cruiser Wagon | Automatic 3-speed | 6 | 19 | 17 | 24 | $3,832 | $4,599 |
| 1985 Firenza Cruiser Wagon | Manual 4-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1985 Firenza Cruiser Wagon | Automatic 3-speed | 4 | 24 | 21 | 29 | $3,128 | $3,753 |
| 1985 Firenza Cruiser Wagon | Manual 5-speed | 4 | 26 | 23 | 32 | $2,848 | $3,417 |
| 1985 Firenza Cruiser Wagon | Automatic 3-speed | 4 | 24 | 22 | 27 | $3,125 | $3,750 |
| 1985 Firenza Cruiser Wagon | Manual 4-speed | 4 | 26 | 23 | 32 | $2,848 | $3,417 |
| 1985 Firenza Cruiser Wagon | Automatic 3-speed | 6 | 19 | 17 | 24 | $3,832 | $4,599 |
| 1985 Firenza Cruiser Wagon | Manual 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1984 Firenza Cruiser Wagon | Automatic 3-speed | 4 | 24 | 21 | 29 | $3,128 | $3,753 |
| 1984 Firenza Cruiser Wagon | Manual 5-speed | 4 | 26 | 23 | 33 | $2,816 | $3,379 |
| 1984 Firenza Cruiser Wagon | Automatic 3-speed | 4 | 21 | 18 | 26 | $3,589 | $4,307 |
| 1984 Firenza Cruiser Wagon | Manual 4-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1984 Firenza Cruiser Wagon | Manual 5-speed | 4 | 25 | 21 | 31 | $3,052 | $3,663 |
| 1984 Firenza Cruiser Wagon | Automatic 3-speed | 4 | 24 | 21 | 29 | $3,128 | $3,753 |
| 1984 Firenza Cruiser Wagon | Manual 5-speed | 4 | 26 | 23 | 32 | $2,848 | $3,417 |
| 1984 Firenza Cruiser Wagon | Automatic 3-speed | 4 | 21 | 18 | 26 | $3,589 | $4,307 |
| 1984 Firenza Cruiser Wagon | Manual 4-speed | 4 | 24 | 21 | 30 | $3,089 | $3,707 |
| 1984 Firenza Cruiser Wagon | Manual 5-speed | 4 | 25 | 21 | 31 | $3,052 | $3,663 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1988 Firenza | Automatic 3-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1988 Firenza | Manual 5-speed | 4 | 26 | 22 | 33 | $2,897 | $3,477 |
| 1988 Firenza | Automatic 3-speed | 4 | 25 | 23 | 29 | $2,957 | $3,548 |
| 1988 Firenza | Manual 5-speed | 4 | 27 | 23 | 34 | $2,786 | $3,343 |
| 1987 Firenza | Automatic 3-speed | 4 | 24 | 21 | 29 | $3,128 | $3,753 |
| 1987 Firenza | Manual 4-speed | 4 | 25 | 22 | 30 | $3,000 | $3,600 |
| 1987 Firenza | Automatic 3-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1987 Firenza | Manual 5-speed | 4 | 26 | 23 | 33 | $2,816 | $3,379 |
| 1987 Firenza | Automatic 3-speed | 6 | 20 | 18 | 24 | $3,697 | $4,437 |
| 1987 Firenza | Manual 5-speed | 6 | 20 | 17 | 25 | $3,776 | $4,531 |
| 1986 Firenza | Automatic 3-speed | 4 | 24 | 21 | 28 | $3,169 | $3,803 |
| 1986 Firenza | Automatic 3-speed | 4 | 20 | 18 | 24 | $3,697 | $4,437 |
| 1986 Firenza | Manual 4-speed | 4 | 21 | 19 | 26 | $3,469 | $4,162 |
| 1986 Firenza | Manual 5-speed | 4 | 27 | 23 | 34 | $2,786 | $3,343 |
| 1986 Firenza | Automatic 3-speed | 4 | 22 | 20 | 26 | $3,360 | $4,032 |
| 1986 Firenza | Manual 4-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1986 Firenza | Automatic 3-speed | 6 | 19 | 17 | 22 | $3,960 | $4,752 |
| 1986 Firenza | Manual 4-speed | 6 | 19 | 17 | 24 | $3,832 | $4,599 |
| 1985 Firenza | Automatic 3-speed | 4 | 22 | 19 | 26 | $3,469 | $4,162 |
| 1985 Firenza | Manual 4-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1985 Firenza | Automatic 3-speed | 6 | 19 | 17 | 22 | $3,960 | $4,752 |
| 1985 Firenza | Manual 4-speed | 6 | 18 | 15 | 22 | $4,284 | $5,140 |
| 1985 Firenza | Automatic 3-speed | 4 | 24 | 21 | 29 | $3,128 | $3,753 |
| 1985 Firenza | Manual 5-speed | 4 | 26 | 23 | 32 | $2,848 | $3,417 |
| 1985 Firenza | Automatic 3-speed | 4 | 24 | 22 | 27 | $3,125 | $3,750 |
| 1985 Firenza | Manual 4-speed | 4 | 26 | 23 | 32 | $2,848 | $3,417 |
| 1985 Firenza | Automatic 3-speed | 6 | 19 | 17 | 23 | $3,893 | $4,672 |
| 1985 Firenza | Manual 4-speed | 6 | 18 | 16 | 22 | $4,112 | $4,934 |
| 1984 Firenza | Automatic 3-speed | 4 | 24 | 21 | 29 | $3,128 | $3,753 |
| 1984 Firenza | Manual 5-speed | 4 | 26 | 23 | 33 | $2,816 | $3,379 |
| 1984 Firenza | Automatic 3-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1984 Firenza | Manual 4-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1984 Firenza | Manual 5-speed | 4 | 25 | 21 | 31 | $3,052 | $3,663 |
| 1984 Firenza | Automatic 3-speed | 4 | 24 | 21 | 29 | $3,128 | $3,753 |
| 1984 Firenza | Manual 5-speed | 4 | 26 | 23 | 32 | $2,848 | $3,417 |
| 1984 Firenza | Automatic 3-speed | 4 | 22 | 19 | 26 | $3,469 | $4,162 |
| 1984 Firenza | Manual 4-speed | 4 | 24 | 21 | 30 | $3,089 | $3,707 |
| 1984 Firenza | Manual 5-speed | 4 | 25 | 21 | 31 | $3,052 | $3,663 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1988 Firenza Cruiser | Automatic 3-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1988 Firenza Cruiser | Manual 5-speed | 4 | 26 | 22 | 33 | $2,897 | $3,477 |
| 1988 Firenza Cruiser | Automatic 3-speed | 4 | 25 | 23 | 29 | $2,957 | $3,548 |
| 1988 Firenza Cruiser | Manual 5-speed | 4 | 27 | 23 | 34 | $2,786 | $3,343 |
| 1987 Firenza Cruiser | Automatic 3-speed | 4 | 24 | 21 | 29 | $3,128 | $3,753 |
| 1987 Firenza Cruiser | Manual 4-speed | 4 | 25 | 22 | 30 | $3,000 | $3,600 |
| 1987 Firenza Cruiser | Automatic 3-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1987 Firenza Cruiser | Manual 5-speed | 4 | 26 | 23 | 33 | $2,816 | $3,379 |
| 1986 Firenza Cruiser | Automatic 3-speed | 4 | 24 | 21 | 28 | $3,169 | $3,803 |
| 1986 Firenza Cruiser | Manual 5-speed | 4 | 27 | 23 | 34 | $2,786 | $3,343 |
| 1986 Firenza Cruiser | Automatic 3-speed | 4 | 22 | 20 | 26 | $3,360 | $4,032 |
| 1986 Firenza Cruiser | Manual 4-speed | 4 | 25 | 22 | 29 | $3,038 | $3,646 |
| 1986 Firenza Cruiser | Automatic 3-speed | 6 | 19 | 16 | 23 | $4,045 | $4,854 |
| 1986 Firenza Cruiser | Manual 4-speed | 6 | 19 | 17 | 23 | $3,893 | $4,672 |
Data source: Fuel Economy USA, Reference.