← all 2021 Hyundai Elantra trims
2021 Hyundai Elantra — 2.0L 4-cyl, AV-S1 automatic, FWD
This 2021 Hyundai Elantra (2.0L 4-cyl, AV-S1 automatic, FWD) takes regular (87-octane) gasoline. REGULAR
35
MPG combined (31 city / 41 hwy)
$1,629
est. fuel cost / year (today’s prices, 15k mi)
257 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 2021 Hyundai Elantra trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.0L 4-cyl, AV-S1 automatic, FWD | REGULAR | 37 | $1,541 |
| 1.6L 4-cyl, AM-S7 automatic, FWD | REGULAR | 31 | $1,839 |
| 1.6L 4-cyl, 6-spd manual, FWD | REGULAR | 28 | $2,036 |
EPA fuel type: Regular · class: Midsize Cars · engine: 2.0L 4-cyl · transmission: AV-S1 automatic · drive: FWD · MPG retrieved 2026-07-24.