FuelFacts

2018 smart fortwo electric drive convertible MPG & Specs — Real-World vs EPA, All Trims

This is an electric model — no gasoline.

102
MPG combined (112 city / 91 hwy)
$750
est. fuel / year (today's prices, 15k mi)
Electric
gas type

Is the 2018 smart fortwo electric drive convertible good on gas?

At up to 102 MPG combined, the 2018 smart fortwo electric drive convertible is better than average for a Two Seaters — that class averages about 19.4 MPG across 2,500 EPA-tested versions, so it's a good pick on fuel for its size.

Real-world MPG vs the EPA number

The EPA figures above come from a standardized dynamometer test, not the open road — real-world MPG typically runs a bit lower depending on your driving, climate and terrain. That's true of every car on this site, old or new.

For its most efficient trim, the EPA estimates about $750 a year in fuel (15,000 miles) — roughly $62 a month.

2018 smart fortwo electric drive convertible trims & fuel economy

Trim (engine / transmission)FuelMPGFuel/yr (today's price)
electric, A1 automatic, RWDELECTRIC102$750

2018 smart fortwo electric drive convertible specs

What the EPA test-car listings record for this model year — every combination sold is a row in the trims table above.

Engine optionsElectric
TransmissionA1 automatic
Drive typeRWD
EPA body classTwo Seaters
FuelElectric

Other years of the smart fortwo electric drive convertible

2017 smart fortwo electric drive convertible2016 smart fortwo electric drive convertible2015 smart fortwo electric drive convertible2014 smart fortwo electric drive convertible2013 smart fortwo electric drive convertible

Similar cars (Two Seaters)

2018 smart fortwo electric drive coupe2018 BMW M4 DTM Champions Edition2018 McLaren Automotive 540C Coupe2018 Audi R8 RWD2018 RUF Automobile RUF TURBO 12/CTR32018 Mercedes-Benz AMG SL65

Cars that take premium · Cheapest cars to fuel · Where fuel grade depends on the trim · Fuel guides

1 trim(s) · EPA FuelEconomy.gov data retrieved 2026-07-24 · fuel prices AAA national average as of 2026-07-05.