Specifications

2018 BMW 340i

Full specifications for the 2018 BMW 340i: engine, performance, fuel economy, dimensions and weights.

Updated 29·08·2026 Model year 2018 Body Sedan
320 hp Power
25 mpg Fuel, combined 9.4 L/100 km
328d 328d xDrive 328d xDrive Sports Wagon 330e 330i 330i 330i xDrive 330i xDrive Gran Turismo 330i xDrive Sports Wagon 340i 340i 340i xDrive
US MARKET DATA
ENGINE & TRANSMISSION
Engine6-cyl · 3.0L · turbo · Premium Gasoline
Displacement3000 cc
Cylinders6
Power320 hp
TransmissionAutomatic (S8)
DrivetrainRear-Wheel Drive
PERFORMANCE
MPG city21
MPG highway32
MPG combined25 · 9.4 L/100 km
CO₂352 g/mile · 219 g/km
DIMENSIONS
Length182.3 in · 4630 mm
Width71.3 in · 1810 mm
Height56.3 in · 1430 mm
Wheelbase110.6 in · 2810 mm
WEIGHTS & CAPACITIES
Curb weight3695 lb · 1676 kg

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

PDF
2018 BMW 3 Series Brochure
MY 2018 · 56 pages · 21.4 MB · EN
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