121 MPG combined only tells part of the story about the 2020 Tesla Model Y Performance AWD. This isn’t a gasoline-sipping hybrid achieving that number through careful engine tuning, but a fully electric performance SUV that converts kilowatt-hours into miles with exceptional efficiency. The Model Y Performance offers blistering acceleration and planted handling, and it does so with running costs that embarrass most gasoline-powered economy cars.

City and highway performance

The EPA rates the 2020 Tesla Model Y Performance at 129 MPG in the city and 112 MPG on the highway. These numbers represent almost no energy wasted in stop-and-go traffic, thanks to regenerative braking where the electric motors become generators and put energy back into the battery. On the highway, the Model Y Performance benefits from its aerodynamic shape and relatively low weight for an electric SUV. A larger battery pack means more weight, but also less frequent charging on longer road trips. These figures are extremely optimistic. Read the “Real World Expectations” below on how this translates to actual running costs.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2020 Tesla Model Y Performance AWD at $650. This figure is based on driving 15,000 miles per year, assuming a national average electricity cost. It is beneficial to see a high MPG estimate, but this dollar figure shows the real-world financial impact of driving an electric vehicle. Many owners will find their actual costs even lower if they charge primarily at home using off-peak electricity rates, or if they have access to free charging at work or public locations. The “fuel cost” is just paying for electricity to charge the battery pack.

Real-world expectations

While the EPA numbers offer a standardized benchmark, actual efficiency varies depending on driving style, weather conditions, and terrain. Aggressive acceleration dramatically reduces range, as does sustained high-speed driving. Cold temperatures affect battery performance and can reduce range by a significant margin. The payoff is that electric vehicles don’t have a large parasitic loss like gasoline engines do. The EPA rated MPGe estimates are not useful in reality, especially if someone has access to free Level 2 charging. You can expect to save hundreds if not thousands of dollars per year on not filling a gasoline tank, or taking the car to a mechanic for oil services.

How it compares

Direct comparisons to gasoline-powered performance SUVs are almost comical. A BMW X3 M, focused on similar performance, manages around 16 MPG combined. An Audi SQ5 performs at around 21 MPG, while the Alfa Romeo Stelvio Quadrifoglio barely breaks 19 MPG. Beyond fuel economy, the Model Y Performance offers instant torque and near-silent operation that its gasoline counterparts simply can’t match. For shoppers who cross-shop with other EVs, it’s worth looking at all Tesla fuel economy data and MODEL MPG across all years of the Model Y. A standard Model Y Long Range AWD, for example, will deliver a slightly better range figure in exchange for a less aggressive driving experience.

Tips to maximize efficiency

One of the easiest ways to extend your Model Y Performance’s range is to pre-condition the battery. Use the Tesla app to warm or cool the battery while it’s still plugged in, drawing power from the grid rather than the battery itself. This is especially useful in cold weather, as warming the battery improves its efficiency.

Regenerative braking is your best friend. Learn to anticipate traffic and lift off the accelerator pedal early, allowing the motors to recapture energy and slow the car down. This “one-pedal driving” style not only extends range but also reduces wear on the brakes.

Driving at lower speeds on the highway makes a big difference. Aerodynamic drag increases exponentially with speed, so reducing your speed from 80 mph to 70 mph can significantly improve efficiency. Plan your routes carefully to avoid unnecessary highway stretches if maximizing efficiency is your priority.

Keep an eye on tire pressure. Properly inflated tires reduce rolling resistance and improve overall efficiency. Consult the sticker on the driver’s side doorjamb for the recommended tire pressure.