1988 · Subcompact Car · Gas
1988 Porsche 928 MPG & fuel economy
The 1988 Porsche 928 is a subcompact car offered in 2 EPA-rated configurations. The most efficient version returns 16 MPG combined (15 city / 20 highway) on premium gasoline. Efficiency is unchanged from the 1987 model. Among 55 subcompact cars rated for 1988, it ranks 52nd for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $3,703 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1988 Porsche 928's fuel average is 6.8 km/L (14.7 L/100 km), or 16 MPG combined: 6.4 km/L in the city and 8.5 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 15 | 6.4 | 15.7 |
| Highway | 20 | 8.5 | 11.8 |
| Combined | 16 | 6.8 | 14.7 |
How it ranks among 1988 Subcompact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
928 MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 5.0L 8-cyl · 4-speed automatic 928 S4 |
Gas | 15 MPG | 20 MPG | 16 MPG | — | $3,703 |
| RWD · 5.0L 8-cyl · 5-speed manual 928 S4 |
Gas | 14 MPG | 21 MPG | 16 MPG | — | $3,703 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 5.0L 8-cyl
- Transmission
- 4-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 74 cu ft
- Cargo volume
- 8 cu ft
- Tailpipe CO₂
- 555 g/mi
1988 Porsche 928 vs. rivals
Compare the 1988 928
With any other car from any year, including other 928 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 1988 Porsche 928?
Up to 16 MPG combined (15 city / 20 highway).
What fuel does the 1988 Porsche 928 use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 1988 Porsche 928?
The 1988 Porsche 928's fuel average is 6.8 km/L (14.7 L/100 km), or 16 MPG combined: 6.4 km/L in the city and 8.5 km/L on the highway.
How much does it cost to fuel the 1988 Porsche 928 per year?
About $3,703 at 15,000 miles a year with $3.95/gal premium gas, or $24.69 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.