1986 Pontiac Firefly
1.0L 3-cyl · 5-speed manual · FWD
GasolineRegularSubcompact Cars
Official EPA record #1897 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed
Per month
$101.95
Per year
$1,223
Per mile
10.2¢/mi
5-year total
$6,115
Driving mix55% city / 45% highway
$/gal
MPG
Your own average replaces the EPA laboratory values — never averaged together with them — and the driving-mix setting stops applying, because a figure you measured already contains your own mix.
Notes & official EPA estimate
298.4 gal of fuel / yeargasoline @ $4.10/galAt $5.10/gal: $126.81/mo
Official FuelEconomy.gov estimate: $1,550/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.
Compare with another vehiclePrices: EPA national averages, Aug 27, 2026 — override anytime.
At 12,000 miles per year (55% city / 45% highway) with EPA national-average prices ($4.10/gal regular), this 1986 Pontiac Firefly costs about $101.95 per month in fuel — $1,223 per year, 10.2¢/mi, $6,115 over five years.Assumptions are editable below. Prices as of August 27, 2026 · EPA vehicle record #1897. EPA figures are laboratory estimates; real-world cost varies with driving conditions, weather, and where you buy energy.
Official EPA efficiency
| Measure | Value |
|---|---|
| City MPG | 37 |
| Highway MPG | 45 |
| Combined MPG | 40 |
Official EPA estimates
| Estimate | Value |
|---|---|
| Official annual fuel cost (15,000 mi/yr) | $1,550/yr |
| Tailpipe CO₂ | 222 g/mi |
| EPA smog rating | not published |
Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #1897 (record updated 2013-01-01). Snapshot processed 2026-07-26; page data last changed 2013-01-01.
Related configurations
Same year, same family