2019 head-to-head · Compact Car
2019 Chevrolet Sonic vs Mazda 3
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2019 Chevrolet Sonic (31 MPG) costs about $1,500 a year to fuel and the 2019 Mazda 3 (30 MPG) about $1,550.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Chevrolet Sonic
- Mazda 3
Side by side
| Chevrolet Sonic | Mazda 3 | |
|---|---|---|
| $1,500 | Your annual fuel cost | $1,550 |
| 31 MPG | Combined efficiency | 30 MPG |
| 27 MPG | City | 26 MPG |
| 38 MPG | Highway | 35 MPG |
| 91 cu ft | Passenger volume | 93 cu ft |
| 12 cu ft | Cargo volume | 13 cu ft |
| 285 g/mi | Tailpipe CO₂ (g/mi) | 299 g/mi |
| 7/10 | EPA fuel economy score | 7/10 |
| 7/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 1.4L 4-cyl turbo | Engine / motor | 2.5L 4-cyl |
| 6-speed manual | 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.
Chevrolet Sonic vs Mazda 3 across model years
- Chevrolet Sonic
- Mazda 3
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 Mazda 3 has more cargo space (13 vs. 12 cu ft).
Among 43 2019 compact cars, the Chevrolet Sonic ranks 16th and the Mazda 3 19th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2019 Chevrolet Sonic or the 2019 Mazda 3?
Measured by cost to drive, the Chevrolet Sonic. The Chevrolet Sonic is rated 31 MPG combined and the Mazda 3 30 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2019 Chevrolet Sonic vs. the Mazda 3 per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,500 for the Chevrolet Sonic and $1,550 for the Mazda 3.
Which has more cargo space?
The Mazda 3, with 13 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Chevrolet Sonic vs Mazda 3 in other years
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