2016 head-to-head · Two-Seater

2016 Dodge Viper vs smart fortwo EV

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$3,950/ year to fuel
15 MPG

RWD · 8.4L 10-cyl · 6-speed manual · 15 MPG

✓ Cheaper to run
$850/ year to fuel
107 MPGe

RWD · Electric motor (55 kW) · Single-speed · 107 MPGe · 68 mi

The 2016 smart fortwo EV is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, it costs about $850 a year to fuel (107 MPGe), versus $3,950 for the 2016 Dodge Viper (15 MPG). That's roughly $3,100 a year, or about $15,498 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 EV

Side by side

Dodge Vipersmart fortwo EV
$3,950 Your annual fuel cost $850
15 MPG Combined efficiency 107 MPGe
12 MPG City 122 MPGe
21 MPG Highway 93 MPGe
— Electricity use (kWh/100 mi) 31.5 kWh
— Driving range 68 mi
579 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
2/10 EPA fuel economy score 10/10
2/10 EPA greenhouse gas score 10/10
— Charge time at 240V 6 hrs
Gas Powertrain Electric
Premium gasoline Fuel Electricity
8.4L 10-cyl Engine / motor Electric motor (55 kW)
6-speed manual Transmission Single-speed
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 EV across model years

  • Dodge Viper
  • smart fortwo EV

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 32 2016 two-seaters, the Dodge Viper ranks 27th and the smart fortwo EV 1st for lowest fuel cost.

Because the smart fortwo EV is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Dodge Viper; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2016 Dodge Viper or the 2016 smart fortwo EV?

Measured by cost to drive, the smart fortwo EV. The Dodge Viper is rated 15 MPG combined and the smart fortwo EV 107 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2016 Dodge Viper vs. the smart fortwo EV per year?

At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $3,950 for the Dodge Viper and $850 for the smart fortwo EV.

Dodge Viper vs smart fortwo EV in other years

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