2018 Mazda 3 5-Door
2.0L 4-cyl · 6-speed automatic with select shift · FWD
Official EPA record #38874 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed
Per month
$127.22
Per year
$1,527
Per mile
12.7¢/mi
5-year total
$7,635
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
Official FuelEconomy.gov estimate: $1,950/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.
Mazda 3: running costs for every model year →
Official EPA efficiency
| Measure | Value |
|---|---|
| City MPG | 28 |
| Highway MPG | 37 |
| Combined MPG | 32 |
Official EPA estimates
| Estimate | Value |
|---|---|
| Official annual fuel cost (15,000 mi/yr) | $1,950/yr |
| Tailpipe CO₂ | 280 g/mi |
| EPA greenhouse gas score | 7/10 |
| EPA smog rating (Federal Tier 3 Bin 30) | 7/10 |
Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #38874 (record updated 2017-12-14). Snapshot processed 2026-07-26; page data last changed 2017-12-14.
Related configurations
Same year, same family
- 3 4-Door · 2.0L 4-cyl · 6-speed manual · FWD2018
- 3 4-Door · 2.0L 4-cyl · 6-speed automatic with select shift · FWD2018
- 3 4-Door · 2.5L 4-cyl · 6-speed automatic with select shift · FWD2018
- 3 5-Door · 2.0L 4-cyl · 6-speed manual · FWD2018
- 3 5-Door · 2.5L 4-cyl · 6-speed automatic with select shift · FWD2018
- 3 4-Door · 2.5L 4-cyl · 6-speed manual · FWD2018
- 3 5-Door · 2.5L 4-cyl · 6-speed manual · FWD2018
Adjacent model years
- 3 4-Door 2WD · 2.5L 4-cyl · 6-speed automatic with select shift · FWD2019
- 3 4-Door 2WD · 2.5L 4-cyl · 6-speed automatic with select shift · FWD2019
- 3 4-Door 4WD · 2.5L 4-cyl · 6-speed automatic with select shift · 4WD2019
- 3 5-Door 2WD · 2.5L 4-cyl · 6-speed manual · FWD2019
- 3 5-Door 2WD · 2.5L 4-cyl · 6-speed automatic with select shift · FWD2019
- 3 5-Door 4WD · 2.5L 4-cyl · 6-speed automatic with select shift · 4WD2019
- 3 4-Door · 2.0L 4-cyl · 6-speed manual · FWD2017
- 3 4-Door · 2.0L 4-cyl · 6-speed automatic with select shift · FWD2017