Specifications

2018 BMW M4 Convertible

Full specifications for the 2018 BMW M4 Convertible: engine, performance, fuel economy, dimensions and weights.

Updated 29·08·2026 Model year 2018 Body Coupe
425 hp Power
19 mpg Fuel, combined 12.4 L/100 km
M4 Convertible M4 Convertible M4 Coupe M4 Coupe M4 DTM Champions Edition
US MARKET DATA
ENGINE & TRANSMISSION
Engine6-cyl · 3.0L · turbo · Premium Gasoline
Displacement3000 cc
Cylinders6
Power425 hp
TransmissionAutomatic (AM-S7)
DrivetrainRear-Wheel Drive
PERFORMANCE
MPG city16
MPG highway22
MPG combined19 · 12.4 L/100 km
CO₂481 g/mile · 299 g/km
DIMENSIONS
Length183.9 in · 4670 mm
Width73.6 in · 1870 mm
Height54.7 in · 1390 mm
Wheelbase110.6 in · 2810 mm
WEIGHTS & CAPACITIES
Curb weight4070 lb · 1846 kg

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

PDF
2018 BMW M4 Brochure
MY 2018 · 16 pages · 9.2 MB · EN
Open brochure