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1984 Buick LeSabre
Official EPA fuel economy and NHTSA recall record, best combined figure 21 MPG.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 3.8L 6-cyl | Automatic 3-spd | Regular | 15 | 20 | 17 | 523 |
| 4.1L 6-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 | 555 |
| 5.0L 8-cyl | Automatic 3-spd | Regular | 14 | 19 | 16 | 555 |
| 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 21 | 16 | 555 |
| 5.7L 8-cyl | Automatic 4-spd | Diesel | 18 | 26 | 21 | 485 |
| 3.8L 6-cyl | Automatic 3-spd | Regular | 15 | 20 | 17 | 523 |
| 4.1L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 16 | 555 |
| 5.0L 8-cyl | Automatic 3-spd | Regular | 14 | 19 | 16 | 555 |
| 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 20 | 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.
RUBBER FUEL HOSE COULD ALLOW A SLOW FUEL LEAK WHILE THE ENGINE IS RUNNING.
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)
7 complaints filed by owners for this model year (0 involving a crash, 4 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 Buick LeSabre?
EPA figures for the 1984 Buick LeSabre reach 21 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 1984 Buick LeSabre?
NHTSA lists 2 safety recall campaigns for the 1984 Buick LeSabre. 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 Buick LeSabre?
Owners have filed 7 complaints with NHTSA for the 1984 Buick LeSabre, most often about: Engine And Engine Cooling, Seats, Seat Belts. 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.