BMW X3 M Competition:
Fuel consumption in l/100 km (combined): 11.0–10.6
CO2 emissions in g/km (combined): 251–241
BMW X3 M40i:
Fuel consumption in l/100 km (combined): 9.5–8.7
CO2 emissions in g/km (combined): 217–199
Official data on fuel consumption and CO2 emissions were determined in accordance with the mandatory measurement procedure and comply with Regulation (EU) 715/2007 valid at the time of type approval. In case of a range, figures in the WLTP take into account any optional equipment. For newly type-tested vehicles since 01.01.2021, the official data no longer exist according to NEDC, but only according to WLTP. For more information on the WLTP and NEDC measurement procedures, see www.bmw.de/wltp.