Specifications

2018 BMW M550i xDrive

Full specifications for the 2018 BMW M550i xDrive: engine, performance, fuel economy, dimensions and weights.

Updated 29·08·2026 Model year 2018 Body Sedan
455 hp Power
19 mpg Fuel, combined 12.4 L/100 km
530e 530e xDrive 530i 530i xDrive 540d xDrive 540i 540i xDrive M550i xDrive
US MARKET DATA
ENGINE & TRANSMISSION
Engine8-cyl · 4.4L · turbo · Premium Gasoline
Displacement4400 cc
Cylinders8
Power455 hp
TransmissionAutomatic (S8)
DrivetrainAll-Wheel Drive
PERFORMANCE
MPG city16
MPG highway25
MPG combined19 · 12.4 L/100 km
CO₂454 g/mile · 282 g/km
DIMENSIONS
Length195.3 in · 4960 mm
Width73.6 in · 1870 mm
Height57.9 in · 1470 mm
Wheelbase117.3 in · 2980 mm

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

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2018 BMW 5 Series Brochure
MY 2018 · 38 pages · 15.8 MB · EN
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