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2018 Chevrolet Sonic — 1.8L 4-cyl, S6 automatic, FWD
This 2018 Chevrolet Sonic (1.8L 4-cyl, S6 automatic, FWD) takes regular (87-octane) gasoline. REGULAR
28
MPG combined (25 city / 34 hwy)
$2,036
est. fuel cost / year (today’s prices, 15k mi)
311 g/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.
Other 2018 Chevrolet Sonic trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 1.4L 4-cyl, 6-spd manual, FWD | REGULAR | 32 | $1,781 |
| 1.4L 4-cyl, S6 automatic, FWD | REGULAR | 30 | $1,900 |
| 1.8L 4-cyl, 5-spd manual, FWD | REGULAR | 29 | $1,966 |
EPA fuel type: Regular · class: Compact Cars · engine: 1.8L 4-cyl · transmission: S6 automatic · drive: FWD · MPG retrieved 2026-07-24.