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1984 Oldsmobile Cutlass Supreme
Official EPA fuel economy and NHTSA recall record, best combined figure 23 MPG.
The Oldsmobile Cutlass Supreme is a mid-size car produced by Oldsmobile between 1966 and 1997. It was positioned as a premium offering at the top of the Cutlass range. It began as a trim package, developed its own roofline, and rose during the mid-1970s to become not only the most popular Oldsmobile but the highest selling model in its class.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 3.8L 6-cyl | Automatic 3-spd | Regular | 17 | 22 | 19 | 468 |
| 4.3L 6-cyl | Automatic 3-spd | Diesel | 21 | 28 | 23 | 443 |
| 4.3L 6-cyl | Automatic 4-spd | Diesel | 20 | 29 | 23 | 443 |
| 5.0L 8-cyl | Automatic 3-spd | Regular | 15 | 20 | 16 | 555 |
| 5.0L 8-cyl | Automatic 4-spd | Regular | 15 | 22 | 17 | 523 |
| 5.7L 8-cyl | Automatic 3-spd | Diesel | 18 | 25 | 21 | 485 |
| 5.7L 8-cyl | Automatic 4-spd | Diesel | 18 | 27 | 21 | 485 |
| 3.8L 6-cyl | Automatic 3-spd | Regular | 16 | 22 | 18 | 494 |
| 4.3L 6-cyl | Automatic 4-spd | Diesel | 19 | 29 | 22 | 463 |
| 5.0L 8-cyl | Automatic 3-spd | Regular | 15 | 20 | 16 | 555 |
| 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 21 | 16 | 555 |
Safety recalls (NHTSA)
2 campaigns on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.
SOME VEHICLES HAVE BUCKET SEAT BACK LOCKS THAT DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD 207, ANCHORAGE OF SEATS. IN EVENT OF A CRASH, THE SEAT BACK LOCK MAY NOT FUNCTION.
A SMALL NYLON BUSHING IN THE CRUISE CONTROL SERVO BAIL MAY SLIP OUT OF PLACE, CAUSING INTERMITTENT AND UNEXPECTED INCREASES IN ENGINE SPEED OR DIESELING (ENGINE RUN ON WITH IGNITION OFF).
Owner complaints (NHTSA)
24 complaints filed by owners for this model year (1 involving a crash, 3 a fire). Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.
Frequently Asked Questions
What is the fuel economy of a 1984 Oldsmobile Cutlass Supreme?
EPA figures for the 1984 Oldsmobile Cutlass Supreme reach 23 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 1984 Oldsmobile Cutlass Supreme?
NHTSA lists 2 safety recall campaigns for the 1984 Oldsmobile Cutlass Supreme. Check your specific vehicle by VIN on the official NHTSA site, recalls are fixed free of charge by dealers.
What are common problems with the 1984 Oldsmobile Cutlass Supreme?
Owners have filed 24 complaints with NHTSA for the 1984 Oldsmobile Cutlass Supreme, most often about: Engine And Engine Cooling, Visibility, Power Train. Complaint counts reflect what owners report, not confirmed defects.
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.