2015 head-to-head · Two-Seater
2015 Dodge Viper vs smart fortwo
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
RWD · 8.4L 10-cyl · 6-speed manual · 15 MPG
RWD · 1.0L 3-cyl · 5-speed dual-clutch · 36 MPG
The 2015 smart fortwo is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $1,646 a year to fuel (36 MPG), versus $3,950 for the 2015 Dodge Viper (15 MPG). That's roughly $2,304 a year, or about $11,521 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
- Dodge Viper
- smart fortwo
Side by side
| Dodge Viper | smart fortwo | |
|---|---|---|
| $3,950 | Your annual fuel cost | $1,646 |
| 15 MPG | Combined efficiency | 36 MPG |
| 12 MPG | City | 34 MPG |
| 21 MPG | Highway | 38 MPG |
| 587 g/mi | Tailpipe CO₂ (g/mi) | 244 g/mi |
| 3/10 | EPA fuel economy score | 8/10 |
| 3/10 | EPA greenhouse gas score | 8/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 8.4L 10-cyl | Engine / motor | 1.0L 3-cyl |
| 6-speed manual | Transmission | 5-speed dual-clutch |
| RWD | 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.
Dodge Viper vs smart fortwo across model years
- Dodge Viper
- smart fortwo
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
Among 33 2015 two-seaters, the Dodge Viper ranks 25th and the smart fortwo 3rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Dodge Viper or the 2015 smart fortwo?
Measured by cost to drive, the smart fortwo. The Dodge Viper is rated 15 MPG combined and the smart fortwo 36 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Dodge Viper vs. the smart fortwo per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,950 for the Dodge Viper and $1,646 for the smart fortwo.
Dodge Viper vs smart fortwo in other years
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