2021 head-to-head · Midsize Car
2021 Nissan Sentra vs Toyota Avalon
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2021 Nissan Sentra is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,409 a year to fuel (33 MPG), versus $1,661 for the 2021 Toyota Avalon (28 MPG). That's roughly $252 a year, or about $1,258 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
- Nissan Sentra
- Toyota Avalon
Side by side
| Nissan Sentra | Toyota Avalon | |
|---|---|---|
| $1,409 | Your annual fuel cost | $1,661 |
| 33 MPG | Combined efficiency | 28 MPG |
| 29 MPG | City | 25 MPG |
| 39 MPG | Highway | 34 MPG |
| 96 cu ft | Passenger volume | 103 cu ft |
| 14 cu ft | Cargo volume | 16 cu ft |
| 268 g/mi | Tailpipe CO₂ (g/mi) | 315 g/mi |
| 7/10 | EPA fuel economy score | 6/10 |
| 7/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 2.0L 4-cyl | Engine / motor | 2.5L 4-cyl |
| CVT | Transmission | 8-speed automatic |
| FWD | Drivetrain | AWD |
✓ 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.
Nissan Sentra vs Toyota Avalon across model years
- Nissan Sentra
- Toyota Avalon
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 has more passenger space (103 vs. 96 cu ft); the Toyota Avalon has more cargo space (16 vs. 14 cu ft).
Among 54 2021 midsize cars, the Nissan Sentra ranks 15th and the Toyota Avalon 26th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 Nissan Sentra or the 2021 Toyota Avalon?
Measured by cost to drive, the Nissan Sentra. The Nissan Sentra is rated 33 MPG combined and the Toyota Avalon 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Nissan Sentra vs. the Toyota Avalon per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,409 for the Nissan Sentra and $1,661 for the Toyota Avalon.
Which has more cargo space?
The Toyota Avalon, with 16 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).
More 2021 comparisons
Nissan Sentra vs…
Or compare the 2021 Nissan Sentra with anything else: