1984 Mazda 626
2.0L 4-cyl · 5-speed manual
DieselDieselCompact Cars
Official EPA record #27946 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed
Per month
$157.09
Per year
$1,885
Per mile
15.7¢/mi
5-year total
$9,425
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
355 gal of fuel / yeardiesel @ $5.31/galAt $6.31/gal: $186.68/mo
Official FuelEconomy.gov estimate: $2,350/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 ($5.31/gal diesel), this 1984 Mazda 626 costs about $157.09 per month in diesel — $1,885 per year, 15.7¢/mi, $9,425 over five years.Assumptions are editable below. Prices as of August 27, 2026 · EPA vehicle record #27946. 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 | 31 |
| Highway MPG | 38 |
| Combined MPG | 33 |
Official EPA estimates
| Estimate | Value |
|---|---|
| Official annual fuel cost (15,000 mi/yr) | $2,350/yr |
| Tailpipe CO₂ | 308 g/mi |
| EPA smog rating | not published |
Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #27946 (record updated 2013-01-01). Snapshot processed 2026-07-26; page data last changed 2013-01-01.
Related configurations
Same year, same family