2018 head-to-head · Compact Car
2018 Chevrolet Sonic vs Mazda 2
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 2018 Mazda 2 is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,329 a year to fuel (35 MPG), versus $1,453 for the 2018 Chevrolet Sonic (32 MPG). That's roughly $125 a year, or about $623 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
- Chevrolet Sonic
- Mazda 2
Side by side
| Chevrolet Sonic | Mazda 2 | |
|---|---|---|
| $1,453 | Your annual fuel cost | $1,329 |
| 32 MPG | Combined efficiency | 35 MPG |
| 28 MPG | City | 32 MPG |
| 37 MPG | Highway | 40 MPG |
| 91 cu ft | Passenger volume | 87 cu ft |
| 12 cu ft | Cargo volume | 16 cu ft |
| 280 g/mi | Tailpipe CO₂ (g/mi) | 252 g/mi |
| 7/10 | EPA fuel economy score | 8/10 |
| 7/10 | EPA greenhouse gas score | 8/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 1.4L 4-cyl turbo | Engine / motor | 1.5L 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 2 across model years
- Chevrolet Sonic
- Mazda 2
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 Chevrolet Sonic has more passenger space (91 vs. 87 cu ft); the Mazda 2 has more cargo space (16 vs. 12 cu ft).
Among 44 2018 compact cars, the Chevrolet Sonic ranks 17th and the Mazda 2 8th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Chevrolet Sonic or the 2018 Mazda 2?
Measured by cost to drive, the Mazda 2. The Chevrolet Sonic is rated 32 MPG combined and the Mazda 2 35 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Chevrolet Sonic vs. the Mazda 2 per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,453 for the Chevrolet Sonic and $1,329 for the Mazda 2.
Which has more cargo space?
The Mazda 2, with 16 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Chevrolet Sonic vs Mazda 2 in other years
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