2021 head-to-head · Midsize Car
2021 Hyundai Elantra Hybrid vs Toyota Prius Prime
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · 1.8L 4-cyl · CVT · 133 MPGe + 54 MPG
The 2021 Toyota Prius Prime is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, it costs about $763 a year to fuel (133 MPGe + 54 MPG), versus $861 for the 2021 Hyundai Elantra Hybrid (54 MPG). That's roughly $98 a year, or about $492 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Hyundai Elantra Hybrid
- Toyota Prius Prime
Side by side
| Hyundai Elantra Hybrid | Toyota Prius Prime | |
|---|---|---|
| $861 | Your annual fuel cost | $763 |
| 54 MPG | Combined efficiency | 133 MPGe + 54 MPG |
| 53 MPG | City | 145 MPGe / 55 MPG |
| 56 MPG | Highway | 121 MPGe / 53 MPG |
| — | Electricity use (kWh/100 mi) | 25 kWh |
| — | Driving range | 640 mi |
| — | All-electric range | 25 mi |
| 99 cu ft | Passenger volume | 91 cu ft |
| 14 cu ft | Cargo volume | 20 cu ft |
| 165 g/mi | Tailpipe CO₂ (g/mi) | 78 g/mi |
| 10/10 | EPA fuel economy score | 10/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| — | Charge time at 240V | 2 hrs |
| Hybrid | Powertrain | Plug-in hybrid |
| Regular gasoline | Fuel | Regular gas + electricity |
| 1.6L 4-cyl | Engine / motor | 1.8L 4-cyl |
| 6-speed dual-clutch | Transmission | CVT |
| FWD | Drivetrain | FWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Hyundai Elantra Hybrid vs Toyota Prius Prime across model years
- Hyundai Elantra Hybrid
- Toyota Prius Prime
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the Hyundai Elantra Hybrid has more passenger space (99 vs. 91 cu ft); the Toyota Prius Prime has more cargo space (20 vs. 14 cu ft).
Among 54 2021 midsize cars, the Hyundai Elantra Hybrid ranks 7th and the Toyota Prius Prime 3rd for lowest fuel cost.
The powertrains differ: the Hyundai Elantra Hybrid is a full hybrid, while the Toyota Prius Prime is a plug-in hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2021 Hyundai Elantra Hybrid or the 2021 Toyota Prius Prime?
Measured by cost to drive, the Toyota Prius Prime. The Hyundai Elantra Hybrid is rated 54 MPG combined and the Toyota Prius Prime 133 MPGe + 54 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Hyundai Elantra Hybrid vs. the Toyota Prius Prime per year?
At 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, about $861 for the Hyundai Elantra Hybrid and $763 for the Toyota Prius Prime.
Which has more cargo space?
The Toyota Prius Prime, with 20 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).
Hyundai Elantra Hybrid vs Toyota Prius Prime in other years
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