2021 head-to-head · Subcompact Car
2021 Chevrolet Spark vs Roush Performance Mustang
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 Chevrolet Spark is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, it costs about $1,409 a year to fuel (33 MPG), versus $3,950 for the 2021 Roush Performance Mustang (15 MPG). That's roughly $2,541 a year, or about $12,705 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 Spark
- Roush Performance Mustang
Side by side
| Chevrolet Spark | Roush Performance Mustang | |
|---|---|---|
| $1,409 | Your annual fuel cost | $3,950 |
| 33 MPG | Combined efficiency | 15 MPG |
| 29 MPG | City | 12 MPG |
| 38 MPG | Highway | 19 MPG |
| 86 cu ft | Passenger volume | 82 cu ft |
| 11 cu ft | Cargo volume | 12 cu ft |
| 273 g/mi | Tailpipe CO₂ (g/mi) | 606 g/mi |
| 7/10 | EPA fuel economy score | 2/10 |
| 7/10 | EPA greenhouse gas score | 2/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Premium gasoline |
| 1.4L 4-cyl | Engine / motor | 5.0L 8-cyl supercharged |
| 5-speed manual | Transmission | 10-speed automatic |
| FWD | Drivetrain | RWD |
✓ 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 Spark vs Roush Performance Mustang across model years
- Chevrolet Spark
- Roush Performance Mustang
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 Spark has more passenger space (86 vs. 82 cu ft); the Roush Performance Mustang has more cargo space (12 vs. 11 cu ft).
Among 34 2021 subcompact cars, the Chevrolet Spark ranks 4th and the Roush Performance Mustang 34th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 Chevrolet Spark or the 2021 Roush Performance Mustang?
Measured by cost to drive, the Chevrolet Spark. The Chevrolet Spark is rated 33 MPG combined and the Roush Performance Mustang 15 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Chevrolet Spark vs. the Roush Performance Mustang per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, about $1,409 for the Chevrolet Spark and $3,950 for the Roush Performance Mustang.
Which has more cargo space?
The Roush Performance Mustang, with 12 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).
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