2021 head-to-head · Midsize Car
2021 Hyundai Ioniq Plug-in Hybrid vs Toyota Avalon Hybrid
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 · 1.6L 4-cyl · 6-speed dual-clutch · 119 MPGe + 52 MPG
The 2021 Hyundai Ioniq Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, it costs about $815 a year to fuel (119 MPGe + 52 MPG), versus $1,057 for the 2021 Toyota Avalon Hybrid (44 MPG). That's roughly $242 a year, or about $1,210 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 Ioniq Plug-in Hybrid
- Toyota Avalon Hybrid
Side by side
| Hyundai Ioniq Plug-in Hybrid | Toyota Avalon Hybrid | |
|---|---|---|
| $815 | Your annual fuel cost | $1,057 |
| 119 MPGe + 52 MPG | Combined efficiency | 44 MPG |
| 123 MPGe / 52 MPG | City | 43 MPG |
| 115 MPGe / 51 MPG | Highway | 44 MPG |
| 28 kWh | Electricity use (kWh/100 mi) | — |
| 620 mi | Driving range | — |
| 29 mi | All-electric range | — |
| 96 cu ft | Passenger volume | 103 cu ft |
| 23 cu ft | Cargo volume | 16 cu ft |
| 74 g/mi | Tailpipe CO₂ (g/mi) | 201 g/mi |
| 10/10 | EPA fuel economy score | 9/10 |
| 10/10 | EPA greenhouse gas score | 9/10 |
| 2.2 hrs | Charge time at 240V | — |
| Plug-in hybrid | Powertrain | Hybrid |
| Regular gas + electricity | Fuel | Regular gasoline |
| 1.6L 4-cyl | Engine / motor | 2.5L 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 Ioniq Plug-in Hybrid vs Toyota Avalon Hybrid across model years
- Hyundai Ioniq Plug-in Hybrid
- Toyota Avalon Hybrid
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 Toyota Avalon Hybrid has more passenger space (103 vs. 96 cu ft); the Hyundai Ioniq Plug-in Hybrid has more cargo space (23 vs. 16 cu ft).
Among 54 2021 midsize cars, the Hyundai Ioniq Plug-in Hybrid ranks 4th and the Toyota Avalon Hybrid 12th for lowest fuel cost.
The powertrains differ: the Hyundai Ioniq Plug-in Hybrid is a plug-in hybrid, while the Toyota Avalon Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2021 Hyundai Ioniq Plug-in Hybrid or the 2021 Toyota Avalon Hybrid?
Measured by cost to drive, the Hyundai Ioniq Plug-in Hybrid. The Hyundai Ioniq Plug-in Hybrid is rated 119 MPGe + 52 MPG combined and the Toyota Avalon Hybrid 44 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Hyundai Ioniq Plug-in Hybrid vs. the Toyota Avalon Hybrid per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, about $815 for the Hyundai Ioniq Plug-in Hybrid and $1,057 for the Toyota Avalon Hybrid.
Which has more cargo space?
The Hyundai Ioniq Plug-in Hybrid, with 23 cu ft of luggage volume versus 16 cu ft (EPA interior volume index).
Hyundai Ioniq Plug-in Hybrid vs Toyota Avalon Hybrid in other years
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