The 2015 Audi TT Roadster quattro 2.0L achieves a combined 26 MPG, a reasonable figure for a stylish, turbocharged all-wheel-drive convertible designed for spirited weekend drives and back roads. It’s designed to be a lifestyle car, and the fuel economy reflects a prioritization of performance and style over pure frugality.

City and highway performance

Those 26 combined miles per gallon break down into 22 MPG in the city and 31 MPG on the highway, figures that reflect the car’s driving characteristics. In stop-and-go city traffic, the turbocharged 2.0L engine can use more fuel, especially if you’re frequently using the turbo boost. However, on the open road, the efficient engine and well-calibrated automatic transmission allow for relaxed cruising and good fuel economy. The highway figure is more relevant to the kind of buyer drawn to the TT Roadster: someone who enjoys weekend getaways and scenic drives, where the top-down experience is important.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2015 Audi TT Roadster quattro at $2,250. This figure is calculated based on driving 15,000 miles per year, using national average fuel prices. Keep in mind that this is an estimate; your actual fuel costs will vary depending on your driving habits, the type of fuel you use, and local fuel prices. Someone primarily doing short trips in the city will likely see a higher annual cost, while someone who primarily takes long highway drives could see a lower one.

Real-world expectations

While the EPA provides a useful benchmark, real-world fuel economy often differs. Owners often report achieving figures close to the EPA estimates, especially on the highway. However, aggressive driving, frequent use of the sport mode, and shorter trips can significantly impact fuel efficiency. Expect to see numbers closer to the city figure (or even slightly lower) if you regularly engage in spirited driving. The TT Roadster rewards a measured approach to driving with better fuel economy.

How it compares

Compared to other roadsters, the 2015 Audi TT Roadster’s fuel economy is competitive. The BMW Z4 sDrive28i, for example, also equipped with a turbocharged 2.0L engine, achieves a slightly better 26 MPG combined but can feel less stable in challenging weather. The Mercedes-Benz SLK350 (later rebranded SLC) with its V6 engine delivers lower fuel economy, typically around 23 MPG combined. While a Mazda MX-5 Miata surpasses the TT in fuel efficiency with numbers closer to 30 MPG combined, it appeals to a different buyer more focused on pure, lightweight driving thrills rather than the TT’s design, technology, and all-weather capability. Explore TT MPG across all years to see how this model compares to other years.

Tips to maximize efficiency

Take advantage of the Audi Drive Select system. Choosing the “Efficiency” mode will adjust the engine, transmission, and steering for optimized fuel consumption. This mode typically softens throttle response and encourages earlier upshifts, promoting a more relaxed and efficient driving style, especially around town. Consider using the “Auto” setting for a balanced approach.

Monitor your tire pressure regularly. Underinflated tires increase rolling resistance, which negatively impacts fuel economy. Consult the sticker on your driver’s side doorjamb for the recommended tire pressure for your TT Roadster and check it at least once a month, or before long trips. A small investment in a tire pressure gauge will quickly pay for itself in fuel savings.

Avoid aggressive acceleration. The turbocharged engine delivers ample power, but frequent hard acceleration will use fuel quickly. Smooth, gradual acceleration is key to maximizing fuel efficiency. Anticipate traffic flow and adjust your speed accordingly to avoid unnecessary bursts of speed.

Reduce unnecessary weight. Carrying extra cargo in the trunk or passenger seat adds weight to the vehicle, which can slightly decrease fuel economy. Remove any unnecessary items from your car to minimize weight and improve efficiency. A lighter car is always a more efficient car, especially with a smaller engine.

Regular maintenance is crucial. Ensure your TT Roadster receives regular oil changes, air filter replacements, and spark plug maintenance according to the manufacturer’s recommendations. A well-maintained engine will run more efficiently and deliver optimal fuel economy. See all Audi fuel economy data for more maintenance information.