25 MPG combined, a figure often reserved for economy sedans, elevates the 2026 Toyota GR Supra 3.0L 6-cyl beyond mere performance car into the realm of surprisingly efficient daily driver. This isn’t a vehicle bought for its frugality, but rather for its unapologetic commitment to the driving experience. Yet, for a sports coupe boasting 382 horsepower from its turbocharged inline-six, that 25 MPG isn’t just a number; it’s an unspoken badge of BMW engineering excellence tucked neatly under a Toyota badge. Buyers of the GR Supra are performance enthusiasts, purists who prioritize a direct connection to the road, precise steering, and an intoxicating exhaust note. They understand that such emotional machines usually extract a penalty at the pump. The GR Supra’s economy is, therefore, a pleasant bonus, not the primary motivator. It enables more spirited drives without constantly fretting over the fuel gauge, allowing its owner to explore backroads with greater freedom and less guilt, solidifying its place as a genuine two-seat sports car that happens to be an unusually effective grand tourer when the mood strikes.

City and highway performance

The 2026 GR Supra 3.0L 6-cyl registers 22 MPG in the city and a more impressive 29 MPG on the highway. The city figure, while not groundbreaking for smaller, less powerful vehicles, is entirely respectable for a sports car capable of accelerating from 0-60 mph in around 3.9 seconds. Its 8-speed automatic transmission (S8) plays a crucial role here, with finely tuned gear ratios and rapid shifts that optimize power delivery without excessive revving when cruising. Stop-and-go traffic, the bane of many performance cars, is handled with a composure that belies the Supra’s sporting intentions. On the open road, where the powertrain can truly stretch its legs, the 29 MPG highway figure shines. This is where the inherent efficiency of BMW’s B58 inline-six engine, coupled with the Supra’s aerodynamic profile, truly pays dividends. Sustained highway cruising in top gear allows the engine to operate within its most efficient RPM range, making long-distance journeys surprisingly tolerable for both the driver and their wallet. This blend of urban fortitude and highway thrift solidifies the Supra’s dual personality: a track-day hero and a capable long-distance machine.

Annual fuel cost

The EPA estimates an annual fuel cost of $2,300 for the 2026 Toyota GR Supra 3.0L 6-cyl. This figure, derived from operating the vehicle for 15,000 miles per year at national average fuel prices, provides a standardized benchmark for consumers. For the GR Supra owner, this $2,300 annual outlay is a relatively modest expense in the grand scheme of sports car ownership. Compare it to the cost of premium tires, specialized maintenance, or even the initial purchase price, and it becomes clear that fuel isn’t the dominant burden. Buyers of the GR Supra are typically individuals with disposable income who understand that vehicle ownership extends beyond the monthly payment. This $2,300 represents not just the cost of fuel, but the investment in the joy of driving, the visceral thrills, and the emotional connection the Supra provides. The calculation assumes a mix of city and highway driving that aligns with the 25 MPG combined rating, providing a realistic expectation for what purchasers can anticipate spending on gasoline over a typical year of ownership. Explore all Toyota fuel economy data on FuelEconomyHub.com for more detailed information.

Real-world expectations

Expecting to consistently hit the EPA 25 MPG combined number in a GR Supra involves a degree of self-discipline that often clashes with the car’s inherent character. Owners of this vehicle purchase it to exploit its capabilities, to feel the surge of acceleration, and to carve corners with precision. When driven with enthusiasm, taking advantage of the strong torque and high-revving nature of the turbocharged inline-six, real-world fuel economy will inevitably dip below the official ratings. Aggressive acceleration, frequent braking, and consistent use of Sport mode will significantly impact consumption. However, for those instances where the Supra is simply commuting or cruising, driven with a lighter foot and an eye towards efficiency, the EPA figures are genuinely attainable. The powertrain management and the excellent 8-speed automatic work tirelessly to optimize fuel delivery. Drivers who primarily use their Supra for spirited weekend drives will see lower numbers, while those who integrate it into a daily commute often achieve closer to the stated figures. The car’s mission is performance, and its fuel economy should be viewed as a pleasant surprise, not a constant target.

How it compares

The 2026 GR Supra 3.0L 6-cyl positions itself impressively against its direct and indirect competitors in the fuel economy arena. Its stablemate, the 2026 BMW Z4 M40i (which shares the same engine and platform), achieves an identical 25 MPG combined, 22 city, and 29 highway. This parity highlights the inherent efficiency of the B58 powerplant regardless of the badge. Another key competitor, the Porsche 718 Cayman S (with its 2.5L turbo flat-4 and PDK), manages 22 MPG combined (20 city, 26 highway). While the Cayman S is slightly less efficient, its mid-engine layout and distinct character appeal to a different segment of the performance market. Stepping up to a more powerful, more luxurious coupe like the Lexus LC 500 (5.0L V8), you’re looking at a considerably lower 19 MPG combined (16 city, 25 highway). Even the Ford Mustang GT (5.0L V8 with 10-speed auto) achieves 18 MPG combined (15 city, 24 highway). The GR Supra offers a potent, engaging sports car that avoids the significant fuel economy penalties often associated with its segment. This makes the Supra a standout for buyers who demand both exhilarating performance and a surprising degree of everyday usability, a testament to the engineering that went into GR MPG across all years.

Tips to maximize efficiency

To coax the best fuel economy from your GR Supra, moderation is key. While the temptation to fully exploit its 382 horsepower is ever-present, employing a light and consistent throttle input during daily driving will make a significant difference. Avoid abrupt acceleration and hard braking, allowing the 8-speed automatic to smoothly shift through its ratios. This not only saves fuel but also reduces wear and tear on components.

Use the Supra’s available drive modes. While Sport and Sport+ transform the car into an apex predator, they also recalibrate throttle response and shift points for maximum attack, not maximum efficiency. For everyday commuting or highway cruising, stick to Normal or Comfort mode to promote smoother shifts and less aggressive engine mapping, thereby conserving fuel.

Maintain proper tire pressure. Underinflated tires increase rolling resistance, forcing the engine to work harder and consume more fuel. Regularly check your tire pressures, ideally once a month, and ensure they are set to the manufacturer’s recommended specifications found on the driver’s side door jamb. This is a simple, effective way to maintain both safety and economy.

Anticipate traffic flow and avoid unnecessary idling. Reading the road ahead allows you to coast to a stop rather than accelerating quickly only to brake sharply. Similarly, if you expect to be stationary for more than 30 seconds, it’s generally more fuel-efficient to turn off the engine than to let it idle. The Supra’s turbocharged engine is designed for efficiency under varying loads, but idling produces zero miles per gallon.

Adhere to the recommended service schedule for your GR Supra. A well-maintained engine, with clean air filters, fresh spark plugs, and properly functioning sensors, operates at peak efficiency. Neglecting scheduled maintenance can lead to reduced fuel economy over time as components degrade and the engine struggles to perform optimally. Think of it as protecting your investment and ensuring consistent performance.