FuelFacts

← all 1988 Plymouth Reliant trims

1988 Plymouth Reliant — 2.5L 4-cyl, Automatic 3-spd, FWD

This 1988 Plymouth Reliant (2.5L 4-cyl, Automatic 3-spd, FWD) takes regular (87-octane) gasoline. REGULAR

22
MPG combined (20 city / 25 hwy)
$2,591
est. fuel cost / year (today’s prices, 15k mi)
tailpipe CO₂

At today's AAA national average price ($3.80/gal, 2026-07-05) — the EPA's own price/date assumption isn't exposed in the public dataset, so we recompute this from the EPA's MPG figure and a sourced current price.

This 1988 model was originally EPA-tested under the pre-2008 2-cycle method, which didn't account for highway speeds over 60 mph, air-conditioner use, or cold starts. When EPA overhauled the test for model year 2008, city ratings fell by about 12% and highway by about 8% on average industry-wide — and EPA retroactively adjusted every 1984-2007 rating to the stricter standard so old and new cars could be compared fairly. The MPG above is already on that modern scale — the window sticker on this car when it was new likely showed a higher, pre-2008-method number.

Other 1988 Plymouth Reliant trims

TrimFuelMPGFuel/yr
2.2L 4-cyl, 5-spd manual, FWDREGULAR25$2,280
2.2L 4-cyl, Automatic 3-spd, FWDREGULAR24$2,375

EPA fuel type: Regular · class: Midsize Cars · engine: 2.5L 4-cyl · transmission: Automatic 3-spd · drive: FWD · MPG retrieved 2026-07-24.