2021 head-to-head · Midsize Car
2021 Mazda 6 vs Volkswagen Passat
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 · 2.0L 4-cyl turbo · 6-speed automatic · 28 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2021 Mazda 6 (29 MPG) costs about $1,603 a year to fuel and the 2021 Volkswagen Passat (28 MPG) about $1,661.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Mazda 6
- Volkswagen Passat
Side by side
| Mazda 6 | Volkswagen Passat | |
|---|---|---|
| $1,603 | Your annual fuel cost | $1,661 |
| 29 MPG | Combined efficiency | 28 MPG |
| 26 MPG | City | 24 MPG |
| 35 MPG | Highway | 36 MPG |
| 100 cu ft | Passenger volume | 102 cu ft |
| 15 cu ft | Cargo volume | 16 cu ft |
| 302 g/mi | Tailpipe CO₂ (g/mi) | 314 g/mi |
| 6/10 | EPA fuel economy score | 6/10 |
| 6/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 2.5L 4-cyl | Engine / motor | 2.0L 4-cyl turbo |
| 6-speed automatic | Transmission | 6-speed automatic |
| 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.
Mazda 6 vs Volkswagen Passat across model years
- Mazda 6
- Volkswagen Passat
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 Volkswagen Passat has more cargo space (16 vs. 15 cu ft).
Among 54 2021 midsize cars, the Mazda 6 ranks 23rd and the Volkswagen Passat 24th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 Mazda 6 or the 2021 Volkswagen Passat?
Measured by cost to drive, the Mazda 6. The Mazda 6 is rated 29 MPG combined and the Volkswagen Passat 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Mazda 6 vs. the Volkswagen Passat per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,603 for the Mazda 6 and $1,661 for the Volkswagen Passat.
Which has more cargo space?
The Volkswagen Passat, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).
Mazda 6 vs Volkswagen Passat in other years
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