2017 head-to-head · Two-Seater
2017 Dodge Viper vs Fiat 124 Spider
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 · 14 MPG
The 2017 Fiat 124 Spider is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $1,975 a year to fuel (30 MPG), versus $4,232 for the 2017 Dodge Viper (14 MPG). That's roughly $2,257 a year, or about $11,286 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
- Fiat 124 Spider
Side by side
| Dodge Viper | Fiat 124 Spider | |
|---|---|---|
| $4,232 | Your annual fuel cost | $1,975 |
| 14 MPG | Combined efficiency | 30 MPG |
| 12 MPG | City | 26 MPG |
| 19 MPG | Highway | 35 MPG |
| 623 g/mi | Tailpipe CO₂ (g/mi) | 298 g/mi |
| 1/10 | EPA fuel economy score | 7/10 |
| 1/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 8.4L 10-cyl | Engine / motor | 1.4L 4-cyl turbo |
| 6-speed manual | Transmission | 6-speed manual |
| 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 Fiat 124 Spider across model years
- Dodge Viper
- Fiat 124 Spider
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 29 2017 two-seaters, the Dodge Viper ranks 23rd and the Fiat 124 Spider 4th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2017 Dodge Viper or the 2017 Fiat 124 Spider?
Measured by cost to drive, the Fiat 124 Spider. The Dodge Viper is rated 14 MPG combined and the Fiat 124 Spider 30 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2017 Dodge Viper vs. the Fiat 124 Spider per year?
At 15,000 miles a year with $3.95/gal premium gas, about $4,232 for the Dodge Viper and $1,975 for the Fiat 124 Spider.
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