Fuel Economy of Porsche 928 Cars

car

The following table compares the fuel economies of different models of Porsche 928 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.

Table 1. Fuel Economy of Porsche 928 S

Model YearTransmissionCyl. Combined
MPG
City
MPG
Highway
MPG
Annual
Cost 1
Annual
Cost 2
1987 928 SAutomatic 4-speed8 161520$4,437$5,325
1987 928 SManual 5-speed8 161421$4,553$5,464
1986 928 SAutomatic 4-speed8 171521$4,357$5,228
1986 928 SManual 5-speed8 171522$4,284$5,140
1984 928 SAutomatic 4-speed8 151418$4,821$5,785
1984 928 SManual 5-speed8 151320$4,860$5,832
1984 928 SAutomatic 4-speed8 151418$4,821$5,785
1984 928 SManual 5-speed8 151320$4,860$5,832

Table 2. Fuel Economy of Porsche 928 S4

Model YearTransmissionCyl. Combined
MPG
City
MPG
Highway
MPG
Annual
Cost 1
Annual
Cost 2
1991 928 S4Automatic 4-speed8 151417$4,931$5,918
1991 928 S4Manual 5-speed8 141118$5,625$6,750
1991 928 S4Automatic 4-speed8 151418$4,821$5,785
1990 928 S4Automatic 4-speed8 151417$4,931$5,918
1990 928 S4Manual 5-speed8 141118$5,625$6,750
1989 928 S4Automatic 4-speed8 151417$4,931$5,918
1989 928 S4Manual 5-speed8 151320$4,860$5,832
1989 928 S4Manual 5-speed8 141118$5,625$6,750
1988 928 S4Automatic 4-speed8 161520$4,437$5,325
1988 928 S4Manual 5-speed8 161421$4,553$5,464

Table 3. Fuel Economy of Porsche 928 GTS

Model YearTransmissionCyl. Combined
MPG
City
MPG
Highway
MPG
Annual
Cost 1
Annual
Cost 2
1995 928 GTSAutomatic 4-speed8 151417$4,931$5,918
1995 928 GTSManual 5-speed8 131117$5,735$6,882
1994 928 GTSAutomatic 4-speed8 151417$4,931$5,918
1994 928 GTSManual 5-speed8 131117$5,735$6,882
1993 928 GTSAutomatic 4-speed8 151417$4,931$5,918
1993 928 GTSManual 5-speed8 131117$5,735$6,882