17 MPG combined. That’s the fuel economy figure that owners of the 2016 BMW X5 xDrive50i must accept, a constant reminder that strong power and all-weather confidence require more gas. This isn’t the MPG of a sensible family car; it’s the MPG of a machine that prioritizes performance. The buyer who signs for a V8-powered X5 likely understands and accepts this tradeoff.

City and highway performance

The EPA estimates the 2016 BMW X5 xDrive50i at 15 MPG in the city and 21 MPG on the highway. Understanding these figures is critical. The 15 MPG city rating reflects stop-and-go traffic where the engine’s 4.4-liter twin-turbocharged V8 will frequently accelerate the X5 and then use the brakes to stop. The 21 MPG highway figure is more attainable during steady cruising, though a heavy foot will quickly lower that number. The X5 xDrive50i has BMW’s xDrive all-wheel-drive system and an eight-speed automatic transmission. This pairing maximizes power delivery regardless of road conditions, but it affects fuel efficiency.

Annual fuel cost

According to the EPA, the estimated annual fuel cost for the 2016 BMW X5 xDrive50i is $3,400. This calculation is based on driving 15,000 miles per year, with 45% of those miles driven in the city and 55% on the highway, using average fuel prices. That places the X5 xDrive50i firmly in the realm of gas-guzzlers. For owners financing this vehicle, adding the fuel cost onto their monthly car bill will have a meaningful impact. This figure is only an estimate, individual driving habits and fluctuating fuel prices can significantly alter the actual cost.

Real-world expectations

Forget the EPA’s numbers if you like to drive fast. The X5 xDrive50i has a V8 designed to be driven. Frequent bursts of acceleration, even during normal commuting, will significantly reduce fuel economy. Owners who live in congested city centers or hilly terrain can expect to see mileage figures closer to the low end of the EPA estimate. On extended highway trips with a light foot and cruise control engaged, achieving the 21 MPG rating is possible, but requires consistent effort. Owners should expect to see an average closer to 16 MPG overall, considering a mix of driving conditions.

How it compares

The fuel economy of the X5 xDrive50i puts it at a disadvantage compared to some competitors. For instance, the Acura MDX with the standard V6 engine achieves a combined 22 MPG, and the Lexus RX 350 manages 23 MPG combined. Even the slightly larger Mercedes-Benz GLE 450, with its mild-hybrid system, boasts a combined 21 MPG. Buyers drawn to the X5 xDrive50i are often less concerned with fuel efficiency and more interested in its powerful engine and dynamic driving feel, aspects where the X5 excels. It’s important to compare X5 MPG across all years to determine which model year best suits your needs and to consider all Bmw fuel economy data for the BMW lineup.

Tips to maximize efficiency

Avoid aggressive acceleration. The xDrive50i’s twin-turbo V8 is tempting to unleash, but every hard launch and sudden burst of speed guzzles fuel. Gentle acceleration and anticipating traffic flow can conserve gas.

Use the Eco Pro driving mode. This setting adjusts the car’s throttle response and shift points to prioritize fuel efficiency. It does slightly dampen the X5’s performance, but it can make a noticeable difference, especially on longer drives.

Maintain proper tire inflation. Under-inflated tires increase rolling resistance, which reduces fuel economy. Check your tire pressure regularly and ensure it matches the manufacturer’s recommended specifications, typically found on a sticker inside the driver’s side door.

Minimize idling. Letting the engine idle for extended periods consumes fuel without covering any distance. If you’re stopped for more than a minute or two, turn off the engine.

Reduce unnecessary weight. Carrying heavy cargo in the X5 adds extra strain on the engine, leading to increased fuel consumption. Remove any items you don’t need to carry regularly.