The 2024 BMW 840i xDrive Gran Coupe gets 24 MPG combined, but that’s almost a secondary consideration. This car is a statement, a four-door coupe that puts style, performance, and luxury first. The fuel economy is acceptable, a trade-off for enjoying 335 horsepower and all-wheel-drive in a striking vehicle.

City and highway performance

The EPA estimates the 840i xDrive Gran Coupe at 21 MPG in the city and 29 MPG on the highway. This difference reflects real-world driving. City driving, with its stop-and-go traffic and quick acceleration, impacts fuel efficiency. The highway figure is better. At a constant speed, the eight-speed automatic transmission shifts to a relaxed gear, and the engine runs efficiently, allowing for respectable fuel consumption. Expect to see numbers closer to the EPA’s highway estimate on long road trips, where you’re less tempted to floor the inline-six.

Annual fuel cost

The EPA calculates the annual fuel cost for the 2024 BMW 840i xDrive Gran Coupe at $2,400. This is based on 15,000 miles per year, a mix of city and highway driving, and national average fuel prices. Keep in mind that premium fuel is required, so this estimate will change based on your driving and local premium fuel prices. Factor in potential price changes and your personal driving habits to estimate your specific fuel costs.

Real-world expectations

The EPA numbers may not be what you get every time. Aggressive driving, frequent Sport mode use, and short trips will hurt your fuel economy. A realistic combined MPG is probably in the low 20s, perhaps reaching the mid-20s with careful highway driving over longer distances. The 840i responds well to a controlled driving style, but many owners will want to experience the B58 engine’s capabilities. It’s a worthwhile experience. For better numbers, check out 840I MPG across all years.

How it compares

The 840i xDrive Gran Coupe is competitive. The Mercedes-Benz CLS 450 4MATIC, with its inline-six engine, gets similar fuel economy, about 22 MPG combined. The Audi A7 55 TFSI also gets about 24 MPG combined. The Porsche Panamera 4, while offering more performance, gets less MPG, around 21 combined. These differences matter to buyers in this market segment. They may not focus solely on fuel economy, but they know the competition. They want a car that balances performance and efficiency, good enough that they don’t feel wasteful.

Tips to maximize efficiency

For everyday driving, Comfort mode is helpful. It fine-tunes the engine and transmission for better efficiency and a smoother ride. Sport mode is fun, but it uses more fuel. Comfort mode makes better use of the eight-speed transmission, and the inline-six turbo’s power delivery is gentler.

Keep your tires properly inflated. Underinflated tires increase rolling resistance, which uses more fuel. Check your tire pressure regularly and inflate them to the recommended level on the doorjamb sticker.

Avoid quick acceleration and hard braking. Smooth, gradual movements will save fuel. Anticipate traffic and maintain a steady speed when possible. The engine is responsive, especially in the mid-range, so you don’t need to press the accelerator constantly.

Don’t let the engine idle. If you’re stopped for more than a minute, turn off the engine. Modern cars restart quickly and efficiently, saving fuel and reducing emissions. Many new BMW models have auto start/stop, which is effective but can be turned off if you want the engine running, for instance, to keep the air conditioning on.

Plan your trips for less gas. Combine errands into a single trip to limit cold starts, which use more fuel. Mapping routes to avoid traffic and construction can also reduce fuel consumption. Plan routes through lower-speed areas if possible, as these fuel efficiency tips apply more to these kinds of routes than high-speed highway routes. For all Bmw fuel economy data, you can review even more models that might inspire you.