Buick · 1984–1985 · Diesel

Buick LeSabre Diesel MPG by year

The EPA has rated 2 model years of the Buick LeSabre Diesel, from 1984 to 1985. The most fuel-efficient year is the 1985, at 21 MPG combined in its best configuration. The 1985 model is 11% more efficient than the median large car that year (21 vs. 19 MPG).

Most efficient year198521 MPG combined
Latest (1985)21 MPG$2,643/yr to fuel
First rated (1984)21 MPG$2,643/yr at today's prices
Model years rated22 configurations

Combined MPG by model year

  • LeSabre Diesel, most efficient version
  • Range across configurations
  • Class median

Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.

Every LeSabre Diesel model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
1985 Diesel 21 MPG 18 / 26 19 — 1 $2,643
1984 Diesel 21 MPG 18 / 26 17 — 1 $2,643

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

Compare LeSabre Diesel model years

See how much a newer LeSabre Diesel would save over an older one.

Models similar to the Buick LeSabre Diesel

Other Buick LeSabre versions

Frequently asked questions

Which Buick LeSabre Diesel year has the best fuel economy?

The 1984 Buick LeSabre Diesel, rated up to 21 MPG combined. At 15,000 miles a year with $3.70/gal diesel fuel, that works out to about $2,643 a year.

What is the fuel economy of the latest Buick LeSabre Diesel?

The 1985 Buick LeSabre Diesel is rated up to 21 MPG combined.

Keep exploring