Oldsmobile · 1985 · Diesel

Oldsmobile Ninety-Eight Regency Diesel MPG by year

The EPA has rated 1 model year of the Oldsmobile Ninety-Eight Regency Diesel (1985). The most fuel-efficient year is the 1985, at 23 MPG combined in its best configuration. The 1985 model is 21% more efficient than the median large car that year (23 vs. 19 MPG).

Most efficient year198523 MPG combined
Latest (1985)23 MPG$2,413/yr to fuel
First rated (1985)23 MPG$2,413/yr at today's prices
Model years rated11 configurations

Every Ninety-Eight Regency Diesel model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
1985 Diesel 23 MPG 19 / 29 19 — 1 $2,413

Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.

Models similar to the Oldsmobile Ninety-Eight Regency Diesel

Other Oldsmobile Ninety-Eight Regency versions

Frequently asked questions

Which Oldsmobile Ninety-Eight Regency Diesel year has the best fuel economy?

The 1985 Oldsmobile Ninety-Eight Regency Diesel, rated up to 23 MPG combined. At 15,000 miles a year with $3.70/gal diesel fuel, that works out to about $2,413 a year.

What is the fuel economy of the latest Oldsmobile Ninety-Eight Regency Diesel?

The 1985 Oldsmobile Ninety-Eight Regency Diesel is rated up to 23 MPG combined.

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