1988 Mazda RX-7
1.3L 2-cyl · 4-speed automatic · RWD
GasolineRegularTwo Seaters
Official EPA record #4144 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed
Per month
$232.38
Per year
$2,789
Per mile
23.2¢/mi
5-year total
$13,945
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
697.1 gal of fuel / yeargasoline @ $4.00/galAt $5.00/gal: $290.48/mo
Official FuelEconomy.gov estimate: $3,650/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.
Compare with another vehiclePrices: EPA national averages, Jul 24, 2026 — override anytime.
At 12,000 miles per year (55% city / 45% highway) with EPA national-average prices ($4.00/gal regular), this 1988 Mazda RX-7 costs about $232.38 per month in fuel — $2,789 per year, 23.2¢/mi, $13,945 over five years.Assumptions are editable below. Prices as of July 24, 2026 · EPA vehicle record #4144. 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 | 15 |
| Highway MPG | 21 |
| Combined MPG | 17 |
Official EPA estimates
| Estimate | Value |
|---|---|
| Official annual fuel cost (15,000 mi/yr) | $3,650/yr |
| Tailpipe CO₂ | 523 g/mi |
| EPA smog rating | not published |
Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #4144 (record updated 2013-01-01). Snapshot processed 2026-07-26; page data last changed 2013-01-01.
Related configurations
Same year, same family