Mercury · 1984–1986 · Diesel

Mercury Topaz Diesel MPG by year

The EPA has rated 3 model years of the Mercury Topaz Diesel, from 1984 to 1986. The most fuel-efficient year is the 1986, at 34 MPG combined in its best configuration. The 1986 model is 36% more efficient than the median compact car that year (34 vs. 25 MPG).

Most efficient year198634 MPG combined
Latest (1986)34 MPG$1,632/yr to fuel
First rated (1984)34 MPG$1,632/yr at today's prices
Model years rated33 configurations

Combined MPG by model year

  • Topaz 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 Topaz Diesel model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
1986 Diesel 34 MPG 31 / 39 25 — 1 $1,632
1985 Diesel 34 MPG 31 / 39 25 — 1 $1,632
1984 Diesel 34 MPG 31 / 39 24 — 1 $1,632

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

Compare Topaz Diesel model years

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

Models similar to the Mercury Topaz Diesel

Other Mercury Topaz versions

Frequently asked questions

Which Mercury Topaz Diesel year has the best fuel economy?

The 1986 Mercury Topaz Diesel, rated up to 34 MPG combined. At 15,000 miles a year with $3.70/gal diesel fuel, that works out to about $1,632 a year.

What is the fuel economy of the latest Mercury Topaz Diesel?

The 1986 Mercury Topaz Diesel is rated up to 34 MPG combined.

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