Smart fuel costs by model
What each of the 2 Smart models we track costs to fuel or charge, at 12,000 miles a year and today's US average prices — a $13 a year spread between the cheapest and the thirstiest. Open any model for its per-mile, monthly and worldwide figures.
Smart electric cars
How these Smart figures are worked out
Each model uses its manufacturer combined economy — 235 ÷ L/100 km gives the US MPG we price against — multiplied by 12,000 miles a year and the current US national average of $4.10/gal for regular, $5.31/gal for diesel and $0.17/kWh for home charging. Prices refresh weekly from official sources, so these numbers move with the market — see methodology. Not affiliated with Smart.
Your mileage, your country, live prices.
What an EV would save you over the years.
Other makes
Frequently asked questions
Which Smart is cheapest to run?
The Smart #3 — about $538 a year in electricity at 12,000 miles a year and today's US average prices. The most expensive Smart here is the #1 at $552 — a gap of $13 a year for the same mileage.
How much does it cost to fuel a Smart per year?
A typical Smart in this list costs about $552 a year at 12,000 miles, using US average prices of $4.10/gal for regular and $5.31/gal for diesel. Open any model for its per-mile, monthly and worldwide figures.
Are these Smart fuel economy figures real-world?
They are manufacturer combined-cycle figures — WLTP in Europe, EPA combined in North America — which is the only basis on which every model can be compared like for like. Real driving is typically 5–15% thirstier, more in cold weather and city traffic, so treat these as the ranking rather than the guarantee.