577 kilometers is the official range of the BMW i5 eDrive40. But what is the real reach? So how far do you get when driving down the highway at 100 km/h (or 130 km/h)? We test that!
Large wheels make a car less efficient. It is possible that our test car with 20-inch alloys has a WLTP range of 548 kilometers, instead of the 577 kilometers that BMW communicates for a basic i5 with 19-inch wheels.
The battery of the BMW i5 has a net capacity of 81 kWh, regardless of whether you order the ‘good’ i5 eDrive40 with 340 and 400 Nm, or the very strong i5 M60 xDrive (601 hp, 820 Nm). The even bigger, more luxurious and more expensive one BMW i7 is the boss with a usable battery capacity of 101.7 kWh. That large battery will be discussed again later.
The test conditions
It is 7 to 11 degrees outside, so the temperature is not too bad for the time of year. It is quite windy, but when driving around, the i5 sometimes has a headwind and other times a tailwind. We drive our 100 kilometer test lap at 100 and 130 km/h. Here are two consumption figures and we use them to calculate the range of a full battery. We assume 81 kWh.
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