Returning a combined MPG equivalent of 97, the 2021 Tesla Model X Performance (20in Wheels) defies typical SUV expectations. It provides supercar-level acceleration and seating for up to seven, all while using electrons with impressive frugality. This isn’t a vehicle primarily chosen for its cost savings, but the fact it achieves this level of efficiency while delivering blistering performance is a major point in its favor for its target demographic.

City and highway performance

The EPA estimates the Model X Performance achieves 100 MPGe in the city and 95 MPGe on the highway. These numbers reflect how efficient electric motors are. They are particularly strong in stop-and-go urban environments where regenerative braking can recapture energy. Highway efficiency is still excellent, though slightly lower due to the energy required to overcome aerodynamic drag at higher speeds. The Model X’s large battery pack and electric motor contribute significantly to maintaining these impressive figures, even at elevated speeds.

Annual fuel cost

According to the EPA, the annual fuel cost for the 2021 Tesla Model X Performance (20in Wheels) is $800. This figure is calculated based on driving 15,000 miles per year, using a combination of city and highway driving, and assumes the national average electricity price. While individual charging costs will vary depending on location, electricity rates, and driving habits, $800 offers a reasonable benchmark for prospective owners. Home charging can further reduce this cost, particularly with off-peak electricity rates.

Real-world expectations

While the EPA provides a standardized testing methodology, real-world fuel economy can vary. Factors such as driving style, ambient temperature, terrain, and the use of features like air conditioning all impact efficiency. Aggressive acceleration, frequent use of “Ludicrous Mode”, and consistently high speeds will deplete the battery faster. Conversely, gentle driving and maximizing regenerative braking can improve efficiency. The Model X’s onboard energy consumption display and trip planning tools help drivers optimize their energy usage based on current driving conditions.

How it compares

In the realm of high-performance SUVs, the Model X Performance stands alone in terms of efficiency. The Porsche Cayenne Turbo S E-Hybrid, another plug-in hybrid performance SUV, achieves just 46 MPGe combined. Even non-hybrid performance SUVs like the BMW X5 M only manage around 15 MPG combined. The Audi e-tron, a direct competitor in the electric SUV space, achieves a combined MPGe of 78. This vastly superior fuel economy makes a statement to those that are after performance and technology. This difference in MPGe matters to buyers who prioritize lower fuel costs and seek to minimize their running costs, even within the context of a high-end performance vehicle.

Tips to maximize efficiency

Use regenerative braking aggressively. Tesla’s adjustable regenerative braking system allows you to tailor the level of deceleration when lifting off the accelerator. Maximizing this feature, especially in city driving, can significantly increase your range by recapturing energy that would otherwise be lost as heat.

Precondition the cabin before departing. Heating or cooling the cabin while the vehicle is still plugged in uses grid power, reducing the energy demand on the battery once you begin driving. This is particularly beneficial in extreme temperatures to maintain optimal battery performance and efficiency.

Optimize tire pressure. Ensure your Model X’s tires are inflated to the recommended pressure. Underinflated tires increase rolling resistance, leading to reduced fuel economy. Regularly check and adjust tire pressure, especially with fluctuations in ambient temperature.

Plan routes strategically. Use Tesla’s navigation system, which incorporates Supercharger locations and energy consumption estimates, when planning long journeys. This allows you to optimize routes for charging stops and avoid unnecessary detours that can deplete the battery.

Reduce aerodynamic drag. While the 20-inch wheels are visually appealing, they might have a slight impact on efficiency compared to smaller wheel options. Minimize carrying unnecessary cargo on the roof, as roof racks and cargo carriers significantly increase aerodynamic drag, reducing range, and consult all Tesla fuel economy data.

Compare MODEL MPG across all years before deciding to buy.