19 MPG combined isn’t going to win any fuel economy awards, but it accurately reflects what the 2018 BMW 750i xDrive buyer prioritizes. This flagship sedan makes a statement of success and offers a mobile command center with limousine-like comfort and strong performance. Concerns over a few extra dollars at the pump aren’t typically top of mind for those leasing a 750i. They prioritize effortless power and all-weather confidence.

City and highway performance

The EPA estimates that the 2018 BMW 750i xDrive achieves 16 MPG in the city and 25 MPG on the highway. The city figure reflects the demands of stop-and-go traffic, where the 4.4L twin-turbo V8 spends much of its time idling or accelerating from a standstill. The highway number shows the engine’s efficiency when cruising at a steady speed. The 750i xDrive shouldn’t struggle to reach its EPA highway estimate if properly operated at reasonable highway speeds. The eight-speed automatic transmission is programmed for efficiency and quickly upshifts to keep the engine in its sweet spot for both power and less gas.

Annual fuel cost

According to the EPA, the estimated annual fuel cost for the 2018 BMW 750i xDrive is $3,050. This figure is based on driving 15,000 miles per year, with 55% of those miles driven in the city and 45% on the highway. It also assumes that the vehicle will be fueled using the national average price for premium unleaded gasoline, which is the recommended fuel for optimal performance. Note that individual driving habits and local fuel prices can dramatically affect this number, potentially making it higher or lower.

Real-world expectations

EPA figures offer a valuable benchmark, though real-world MPG can vary noticeably. Aggressive driving, frequent short trips, and prolonged idling will all negatively impact fuel economy. Owners who primarily drive in congested urban areas can expect slightly lower than the EPA city rating. However, drivers who frequently undertake long highway journeys may see figures closer to, or even slightly above, the EPA highway estimate. Maintaining proper tire inflation and adhering to recommended maintenance schedules can also contribute to improved fuel efficiency.

How it compares

The 2018 Mercedes-Benz S560 4Matic, another V8-powered luxury sedan, posts EPA ratings of 17 MPG city and 27 MPG highway, slightly better than the 750i xDrive’s numbers, but unlikely to sway a buyer already set on the BMW’s driving dynamics. The Audi A8 3.0T offers a more frugal 19 MPG city and 29 MPG highway thanks to its V6 engine, and it caters to a buyer prioritizing efficiency as much as outright power. A Porsche Panamera 4S, with its performance-oriented focus, achieves 18 MPG city and 26 MPG highway, highlighting the balance BMW struck in the 750i xDrive between luxury, power, and acceptable fuel consumption. For those exploring all Bmw fuel economy data, the 750i xDrive’s numbers place it firmly in line with other high-performance luxury sedans. You can also view the 750I MPG across all years.

Tips to maximize efficiency

Use “Eco Pro” mode when conditions allow. This driving mode adjusts engine mapping, throttle response, and transmission shift points to prioritize fuel efficiency. Although it may slightly reduce acceleration, it can noticeably improve MPG during steady-state driving on highways or in light traffic.

Anticipate traffic flow to minimize unnecessary braking and acceleration. Smooth, consistent driving is far more fuel-efficient than constantly speeding up and slowing down. Leaving extra following distance provides more time to react and maintain a steady pace.

Avoid extended periods of idling. The 750i’s V8 consumes measurable fuel even when stationary. If you anticipate a wait of more than a minute or two, it’s generally more efficient to turn off the engine and restart it when ready to proceed.

Ensure tires are properly inflated. Underinflated tires increase rolling resistance, forcing the engine to work harder and consume more fuel. Check tire pressures regularly and inflate them to the recommended levels indicated on the doorjamb sticker.

Consider a lightweight set of wheels and tires for the summer months. Reducing unsprung weight like the wheels and tires can noticeably improve acceleration and fuel economy. The effect is more pronounced during city driving.