Specifications

2021 BMW X7 M50i

Full specifications for the 2021 BMW X7 M50i: engine, performance, fuel economy, dimensions and weights.

Updated 29·08·2026 Model year 2021 Body SAV (SUV)
523 hp Power
17 mpg Fuel, combined 13.8 L/100 km
M50i xDrive40i
US MARKET DATA
ENGINE & TRANSMISSION
Engine8-cyl · 4.4L · turbo · Premium Gasoline
Displacement4400 cc
Cylinders8
Power523 hp
TransmissionAutomatic (S8)
DrivetrainAll-Wheel Drive
PERFORMANCE
MPG city15
MPG highway21
MPG combined17 · 13.8 L/100 km
CO₂514 g/mile · 319 g/km
DIMENSIONS
Length203.1 in · 5160 mm
Width78.7 in · 2000 mm
Height71.3 in · 1810 mm
Wheelbase122.0 in · 3100 mm
WEIGHTS & CAPACITIES
Curb weight5672 lb · 2573 kg

Figures based on official manufacturer materials. Actual values may vary by configuration and market.