Chevrolet · 1984–1988 · Diesel

Chevrolet C20 Pickup Diesel MPG by year

The EPA has rated 4 model years of the Chevrolet C20 Pickup Diesel, from 1984 to 1988. The most fuel-efficient year is the 1984, at 20 MPG combined in its best configuration. The best 1988 model is 5% less efficient than the best 1984 model (19 vs. 20 MPG). The 1988 model is 12% more efficient than the median full-size pickup that year (19 vs. 17 MPG).

Most efficient year198420 MPG combined
Latest (1988)19 MPG$2,921/yr to fuel
First rated (1984)20 MPG$2,775/yr at today's prices
Model years rated411 configurations

Combined MPG by model year

  • C20 Pickup 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 C20 Pickup Diesel model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
1988 Diesel 19 MPG 16 / 23 17 — 2 $2,921
1986 Diesel 17 MPG 15 / 20 17 — 2 $3,265
1985 Diesel 19 MPG
lowest 17
17 / 22 16 — 3 $2,921
1984 Diesel 20 MPG
lowest 18
18 / 22 17 — 4 $2,775

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

Compare C20 Pickup Diesel model years

See how much a newer C20 Pickup Diesel would save over an older one.

Models similar to the Chevrolet C20 Pickup Diesel

Other Chevrolet C20 Pickup versions

Frequently asked questions

Which Chevrolet C20 Pickup Diesel year has the best fuel economy?

The 1984 Chevrolet C20 Pickup Diesel, rated up to 20 MPG combined. At 15,000 miles a year with $3.70/gal diesel fuel, that works out to about $2,775 a year.

Which Chevrolet C20 Pickup Diesel year has the worst fuel economy?

The 1986 model, whose most efficient version is rated 17 MPG combined (about $3,265 a year to fuel).

What is the fuel economy of the latest Chevrolet C20 Pickup Diesel?

The 1988 Chevrolet C20 Pickup Diesel is rated up to 19 MPG combined.

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