2018 head-to-head · Subcompact Car
2018 Audi TT Coupe vs BMW i3
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 2.0L 4-cyl turbo · 6-speed dual-clutch · 26 MPG
The 2018 BMW i3 is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, it costs about $772 a year to fuel (118 MPGe), versus $1,788 for the 2018 Audi TT Coupe (26 MPG). That's roughly $1,016 a year, or about $5,081 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
- Audi TT Coupe
- BMW i3
Side by side
| Audi TT Coupe | BMW i3 | |
|---|---|---|
| $1,788 | Your annual fuel cost | $772 |
| 26 MPG | Combined efficiency | 118 MPGe |
| 23 MPG | City | 129 MPGe |
| 30 MPG | Highway | 106 MPGe |
| — | Electricity use (kWh/100 mi) | 28.6 kWh |
| — | Driving range | 114 mi |
| 74 cu ft | Passenger volume | 84 cu ft |
| 13 cu ft | Cargo volume | 15 cu ft |
| 336 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 5/10 | EPA fuel economy score | 10/10 |
| 5/10 | EPA greenhouse gas score | 10/10 |
| — | Charge time at 240V | 5 hrs |
| Gas | Powertrain | Electric |
| Regular gasoline | Fuel | Electricity |
| 2.0L 4-cyl turbo | Engine / motor | Electric motor (125 kW) |
| 6-speed dual-clutch | Transmission | Single-speed |
| AWD | 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.
Audi TT Coupe vs BMW i3 across model years
- Audi TT Coupe
- BMW i3
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
Per EPA interior volume figures, the BMW i3 has more passenger space (84 vs. 74 cu ft); the BMW i3 has more cargo space (15 vs. 13 cu ft).
Among 44 2018 subcompact cars, the Audi TT Coupe ranks 8th and the BMW i3 1st for lowest fuel cost.
Because the BMW i3 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 Audi TT Coupe; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2018 Audi TT Coupe or the 2018 BMW i3?
Measured by cost to drive, the BMW i3. The Audi TT Coupe is rated 26 MPG combined and the BMW i3 118 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Audi TT Coupe vs. the BMW i3 per year?
At 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, about $1,788 for the Audi TT Coupe and $772 for the BMW i3.
Which has more cargo space?
The BMW i3, with 15 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
Audi TT Coupe vs BMW i3 in other years
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