Porsche ยท 1991
1991 Porsche 928 S4
Official EPA fuel economy and NHTSA recall record, best combined figure 15 MPG.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 5.0L 8-cyl | Automatic 4-spd | Premium | 14 | 17 | 15 | 592 |
| 5.0L 8-cyl | Manual 5-spd | Premium | 11 | 18 | 14 | 635 |
| 4.9L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 | 592 |
Safety recalls (NHTSA)
1 campaign on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.
A PLASTIC FILLER PIECE LOCATED IN THE AUTOMATIC TRANSMISSION WAS INSTALLED WITHOUT SUFFICIENT SUPPORT. THIS FILLER PIECE CAN MOVE BECAUSE OF THE HYDRAULIC PRESSURE IN THE SYSTEM, AND NOT ALLOW THE AUTOMATIC TRANSMISSION TO KICK DOWN TO A LOWER GEAR.
Frequently Asked Questions
What is the fuel economy of a 1991 Porsche 928 S4?
EPA figures for the 1991 Porsche 928 S4 reach 15 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 1991 Porsche 928 S4?
NHTSA lists 1 safety recall campaign for the 1991 Porsche 928 S4. Check your specific vehicle by VIN on the official NHTSA site, recalls are fixed free of charge by dealers.
Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.