Porsche 928 S4
1988–1991 · 10 configurations
The Porsche 928 S4 has been tested by the EPA across 10 different configurations spanning model years 1988 through 1991. Over this period, the 928 S4 has achieved combined fuel economy ratings ranging from 14 MPG to 16 MPG, with an overall average of 15 MPG across all engine, transmission, and drivetrain combinations. Below you will find a comprehensive breakdown of every tested configuration, organized by model year. Click any row to view detailed specifications, emissions data, and annual fuel cost estimates for that specific vehicle.
All Configurations
| Year | Powertrain | Annual Cost | City | Hwy | Comb MPG | Compare |
|---|---|---|---|---|---|---|
| 1991 | 5L 8-cyl Rear-Wheel Drive Automatic 4-spd • Premium | $4,600 | 14 | 17 | 15MPG | |
| 1991 | 5L 8-cyl Rear-Wheel Drive Manual 5-spd • Premium | $4,950 | 11 | 18 | 14MPG | |
| 1991 | 4.9L 8-cyl Rear-Wheel Drive Automatic 4-spd • Regular | $4,000 | 14 | 18 | 15MPG | |
| 1990 | 5L 8-cyl Rear-Wheel Drive Automatic 4-spd • Premium | $4,600 | 14 | 17 | 15MPG | |
| 1990 | 5L 8-cyl Rear-Wheel Drive Manual 5-spd • Premium | $4,950 | 11 | 18 | 14MPG | |
| 1989 | 5L 8-cyl Rear-Wheel Drive Automatic 4-spd • Premium | $4,600 | 14 | 17 | 15MPG | |
| 1989 | 5L 8-cyl Rear-Wheel Drive Manual 5-spd • Premium | $4,600 | 13 | 20 | 15MPG | |
| 1989 | 5L 8-cyl Rear-Wheel Drive Manual 5-spd • Premium | $4,950 | 11 | 18 | 14MPG | |
| 1988 | 5L 8-cyl Rear-Wheel Drive Automatic 4-spd • Premium | $4,300 | 15 | 20 | 16MPG | |
| 1988 | 5L 8-cyl Rear-Wheel Drive Manual 5-spd • Premium | $4,300 | 14 | 21 | 16MPG |
Historical Efficiency
Safety Rating History
NHTSA typically tests the base platform of a vehicle and does not test every specific trim level. This specific configuration (928 S4) has not been independently rated.
Complaint & Incident History
The data below represents all official consumer complaints reported to the National Highway Traffic Safety Administration (NHTSA) for the Porsche 928 S4. Click on any year to drill down and read the unedited, raw problem narratives submitted directly by vehicle owners.
No NHTSA consumer complaints have been reported for this model.
Fatal Crash History (FARS)
The Fatality Analysis Reporting System (FARS) is a nationwide census providing NHTSA, Congress and the American public yearly data regarding fatal injuries suffered in motor vehicle traffic crashes. The data below represents historical totals for the Porsche Porsche 928 grouping as reported by the NHTSA.
Total Fatal Crashes2Total Deaths2
Incident Risk Profile
Breakdown of the initial point of impact across all fatal collisions involving this model.
Year-by-Year Trend & Severity
Platform Recall Intelligence
Most Recalled Components
Tip: Click any component bar to view detailed recall narratives.