U.S. vehicle reference
2021 Hyundai Elantra MPG, Fuel Cost and Recalls
2021 Hyundai Elantra MPG and annual fuel cost by engine, with EPA ratings and NHTSA recall records below.
At a glance
2021 Hyundai Elantra reference
Use the summary to orient yourself, then open the exact engine, drivetrain and source record below.
2021 Hyundai Elantra MPG by engine and drivetrain
EPA combined ratings run from 28 to 54 mpg across 6 configurations. Match the engine, transmission and drivetrain in the table before comparing fuel costs.
| Engine / transmission | City | Highway | Combined | Annual fuel | CO₂ |
|---|---|---|---|---|---|
| 2.0L 4-cylinderAutomatic (AV-S1) · Front-Wheel Drive · Regular Gasoline | 31 mpg | 41 mpg | 35 mpg | $1,750 | 257 g/mi |
| 2.0L 4-cylinderAutomatic (AV-S1) · Front-Wheel Drive · Regular Gasoline | 33 mpg | 43 mpg | 37 mpg | $1,650 | 244 g/mi |
| 1.6L 4-cylinder turboAutomatic (AM-S7) · Front-Wheel Drive · Regular Gasoline | 28 mpg | 36 mpg | 31 mpg | $2,000 | 288 g/mi |
| 1.6L 4-cylinder turboManual 6-spd · Front-Wheel Drive · Regular Gasoline | 25 mpg | 34 mpg | 28 mpg | $2,200 | 318 g/mi |
| 1.6L 4-cylinderAutomatic (AM-S6) · Front-Wheel Drive · Regular Gasoline | 49 mpg | 52 mpg | 50 mpg | $1,250 | 177 g/mi |
| 1.6L 4-cylinderAutomatic (AM-S6) · Front-Wheel Drive · Regular Gasoline | 53 mpg | 56 mpg | 54 mpg | $1,150 | 165 g/mi |
Annual fuel figures are the EPA snapshot at the source date. The calculator below uses the separately dated fuel-price record and your inputs, so the estimates may differ.
2021 Hyundai Elantra annual fuel cost calculator
Start with the combined MPG for 2.0L 4-cylinder, Automatic (AV-S1), Front-Wheel Drive. Replace it with your measured gas mileage and local pump price for a personal budget.
Formula annual miles ÷ MPG × gasoline price
Fuel cost per mile equals gasoline price divided by MPG. Multiply by your annual mileage for a yearly fuel budget. Add maintenance to estimate cost per mile.
2021 Hyundai Elantra recall campaigns
NHTSA returned 6 model-level campaign records as of 2026-09-04. A campaign record does not establish whether your vehicle is affected or whether a repair is outstanding. Check your VIN through NHTSA.
SEAT BELTS:FRONT · 21V796000
Hyundai Motor America (Hyundai) is recalling certain 2021 Elantra, Elantra HEV, Venue, Genesis GV80 and 2022 Genesis GV70 vehicles. In the event of a crash, the front driver-side and/or passenger-side seat belt pretensioner(s) may explode upon deployment.
Remedy: Dealers will replace the seat belt pretensioners, free of charge. Owner notification letters were mailed February 10, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 211 and 009G. This recall is replaced by NHTSA recall numbers 22V-354 for Elantra and Elantra HEV vehicles, 22V-458 for Venue vehicles, and 23V-094 for Genesis vehicles. Elantra, Elantra HEV, Venue, and Genesis vehicles already repaired under this recall will need to have the new remedies completed.
VISIBILITY:WINDSHIELD · 21V00M000
Hyundai Motor America (Hyundai) is recalling certain 2020-2021 Santa Fe, 2021 Sonata, and Elantra vehicles. During manufacturing, the windshield may not have been properly bonded to the vehicle, allowing it to detach in a crash.
Remedy: Dealers will remove and reinstall the front windshield panel, free of charge. Owner notification letters were mailed June 20, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 216.
SEATS:FRONT ASSEMBLY:RECLINER · 21V302000
Hyundai Motor America (Hyundai) is recalling certain 2021 Elantra vehicles. The driver and front passenger seat back recliners may have been improperly welded.
Remedy: Dealers will inspect and if necessary, replace the seat back frame assembly, free of charge. Owner notification letters were mailed on June 21, 2021. Owners may contact Hyundai customer service at 1-888-371-9460. Hyundai's number for this recall is 204.
SEAT BELTS:FRONT · 22V218000
Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Elantra and 2020 Accent vehicles. In the event of a crash, the front driver and passenger-side seat belt pretensioners may explode upon deployment.
Remedy: Dealers will replace the seat belt pretensioners, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed on May 31, 2022. A second notice will be sent once remedy parts become available. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 223. This recall is replaced by NHTSA recall number 22V-354. Vehicles already repaired under this recall will need to have the new remedy completed.
SEAT BELTS:FRONT · 22V354000
Hyundai Motor America (Hyundai) is recalling certain 2020-2022 Accent, 2021-2022 Elantra, and 2021-2022 Elantra HEV vehicles. In the event of a crash, the front driver-side and/or passenger-side seat belt pretensioners may explode upon deployment.
Remedy: Dealers will secure the seat belt pretensioner(s) with a cap, free of charge. Owner notification letters were mailed August 28, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 229. This recall expands and replaces NHTSA recall numbers 21V-796, 22V-069, 22V-218, and 22V-123 for Accent, Elantra, and Elantra HEV vehicles. All Accent, Elantra, and Elantra HEV vehicles already repaired under the previous recalls will need to have the new remedy completed.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · 24V879000
Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Santa Fe, Santa Fe HEV, Elantra, Elantra HEV and 2022 Elantra N and Santa Fe PHEV vehicles. Due to a damaged printed circuit board, the rearview camera image may fail to display. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Remedy: Dealers will replace the rearview camera, free of charge. Owner notification letters were mailed January 14, 2025. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 271.
2021 Hyundai Elantra NHTSA safety ratings
| Vehicle | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Hyundai Elantra 4 DR FWD | 5/5 | 4/5 | 5/5 | 5/5 |
Frequently asked questions
What is the 2021 Hyundai Elantra gas mileage?
EPA combined ratings run from 28 to 54 mpg across 6 configurations. Match the engine, transmission and drivetrain in the table before comparing fuel costs.
Are these real-world MPG figures for the Elantra?
These are EPA ratings, not owner-reported mileage. Use your measured MPG in the calculator to estimate your own fuel budget. The configuration table keeps city, highway and combined ratings separate.
Does the 2021 Hyundai Elantra have recalls?
NHTSA returned 6 model-level campaign records as of 2026-09-04. A campaign record does not establish whether your vehicle is affected or whether a repair is outstanding. Check your VIN through NHTSA.
Does annual fuel cost include servicing or insurance?
No. The EPA cost and the calculator cover fuel only. Use the cost-per-mile calculator to add a maintenance allowance. Insurance, depreciation, finance costs and registration are separate ownership expenses.
Compare similar vehicles
Sources and record dates
U.S. EPA FuelEconomy.gov vehicle dataset Accessed 2026-09-05U.S. EIA public gasoline price table Accessed 2026-09-05NHTSA Recalls API Accessed 2026-09-04NHTSA 5-Star Safety Ratings API Accessed 2026-09-05Last updated