Dimensions

Find 2018 BMW 6 Series interior, exterior and cargo dimensions for the trims and styles available. Choose the desired trim / style from the dropdown list to see the corresponding dimensions.

640i Convertible

Cargo Area Dimensions

Trunk Volume (ft³) 10.6

Exterior Dimensions

Wheelbase (in) 112.4
Length, Overall (in) 192.8
Width, Max w/o mirrors (in) 74.6
Height, Overall (in) 53.7
Track Width, Front (in) 63
Track Width, Rear (in) 65.2
Min Ground Clearance (in) 4.8

Interior Dimensions

Passenger Capacity 4
Passenger Volume (ft³) 89
Front Head Room (in) 40.3
Front Leg Room (in) 42.1
Front Shoulder Room (in) 56.9
Second Head Room (in) 36.5
Second Leg Room (in) 30.5
Second Shoulder Room (in) 49.6

650i Convertible

Cargo Area Dimensions

Trunk Volume (ft³) 10.6

Exterior Dimensions

Wheelbase (in) 112.4
Length, Overall (in) 192.8
Width, Max w/o mirrors (in) 74.6
Height, Overall (in) 53.7
Track Width, Front (in) 62.8
Track Width, Rear (in) 65
Min Ground Clearance (in) 4.8

Interior Dimensions

Passenger Capacity 4
Passenger Volume (ft³) 89
Front Head Room (in) 40.3
Front Leg Room (in) 42.1
Front Shoulder Room (in) 56.9
Second Head Room (in) 36.5
Second Leg Room (in) 30.5
Second Shoulder Room (in) 49.6

640i xDrive Convertible

Cargo Area Dimensions

Trunk Volume (ft³) 10.6

Exterior Dimensions

Wheelbase (in) 112.4
Length, Overall (in) 192.8
Width, Max w/o mirrors (in) 74.6
Height, Overall (in) 53.7
Track Width, Front (in) 63
Track Width, Rear (in) 65.6
Min Ground Clearance (in) 4.8

Interior Dimensions

Passenger Capacity 4
Passenger Volume (ft³) 89
Front Head Room (in) 40.3
Front Leg Room (in) 42.1
Front Shoulder Room (in) 56.9
Second Head Room (in) 36.5
Second Leg Room (in) 30.5
Second Shoulder Room (in) 49.6

650i xDrive Convertible

Cargo Area Dimensions

Trunk Volume (ft³) 10.6

Exterior Dimensions

Wheelbase (in) 112.4
Length, Overall (in) 192.8
Width, Max w/o mirrors (in) 74.6
Height, Overall (in) 53.7
Track Width, Front (in) 62.8
Track Width, Rear (in) 65
Min Ground Clearance (in) 4.8

Interior Dimensions

Second Leg Room (in) 30.5
Passenger Capacity 4
Passenger Volume (ft³) 89
Front Head Room (in) 40.3
Front Leg Room (in) 42.1
Front Shoulder Room (in) 56.9
Second Head Room (in) 36.5
Second Shoulder Room (in) 49.6

640i Gran Coupe

Cargo Area Dimensions

Trunk Volume (ft³) 16.2

Exterior Dimensions

Wheelbase (in) 116.9
Length, Overall (in) 197.2
Width, Max w/o mirrors (in) 74.6
Height, Overall (in) 54.8
Track Width, Front (in) 63
Track Width, Rear (in) 65.6
Min Ground Clearance (in) 5

Interior Dimensions

Passenger Capacity 5
Front Head Room (in) 40.6
Front Leg Room (in) 42.1
Front Shoulder Room (in) 56.7
Second Head Room (in) 37
Second Leg Room (in) 35.3
Second Shoulder Room (in) 54.6

650i Gran Coupe

Cargo Area Dimensions

Trunk Volume (ft³) 16.2

Exterior Dimensions

Wheelbase (in) 116.9
Length, Overall (in) 197.2
Width, Max w/o mirrors (in) 74.6
Height, Overall (in) 54.8
Track Width, Front (in) 63.2
Track Width, Rear (in) 65.8
Min Ground Clearance (in) 5

Interior Dimensions

Passenger Capacity 5
Front Head Room (in) 40.6
Front Leg Room (in) 42.1
Front Shoulder Room (in) 56.7
Second Head Room (in) 37
Second Leg Room (in) 35.3
Second Shoulder Room (in) 54.6

640i xDrive Gran Coupe

Cargo Area Dimensions

Trunk Volume (ft³) 16.2

Exterior Dimensions

Wheelbase (in) 116.9
Length, Overall (in) 197.2
Width, Max w/o mirrors (in) 74.6
Track Width, Front (in) 63
Height, Overall (in) 54.8
Track Width, Rear (in) 65.6
Min Ground Clearance (in) 5

Interior Dimensions

Passenger Capacity 5
Front Head Room (in) 40.6
Front Leg Room (in) 42.1
Front Shoulder Room (in) 56.7
Second Head Room (in) 37
Second Leg Room (in) 35.3
Second Shoulder Room (in) 54.6

650i xDrive Gran Coupe

Cargo Area Dimensions

Trunk Volume (ft³) 16.2

Exterior Dimensions

Wheelbase (in) 116.9
Length, Overall (in) 197.2
Width, Max w/o mirrors (in) 74.6
Height, Overall (in) 54.8
Track Width, Front (in) 63.2
Track Width, Rear (in) 65.8
Min Ground Clearance (in) 5

Interior Dimensions

Passenger Capacity 5
Front Head Room (in) 40.6
Front Leg Room (in) 42.1
Front Shoulder Room (in) 56.7
Second Head Room (in) 37
Second Leg Room (in) 35.3
Second Shoulder Room (in) 54.6

ALPINA B6 xDrive Gran Coupe

Cargo Area Dimensions

Trunk Volume (ft³) 16.2

Exterior Dimensions

Wheelbase (in) 116.9
Length, Overall (in) 197.2
Width, Max w/o mirrors (in) 74.6
Height, Overall (in) 55
Track Width, Front (in) 62.8
Track Width, Rear (in) 63.9
Min Ground Clearance (in) 4.3

Interior Dimensions

Front Head Room (in) 40.6
Front Leg Room (in) 42.1
Front Shoulder Room (in) 56.7
Second Head Room (in) 37
Second Leg Room (in) 35.3
Second Shoulder Room (in) 54.6
Passenger Capacity 5

640i xDrive Gran Turismo

Cargo Area Dimensions

Cargo Volume with Rear Seat Up (ft³) 31
Cargo Volume with Rear Seat Down (ft³) 65

Exterior Dimensions

Wheelbase (in) 120.9
Length, Overall (in) 200.9
Width, Max w/o mirrors (in) 74.9
Height, Overall (in) 60.6
Track Width, Front (in) 63.7
Track Width, Rear (in) 65
Min Ground Clearance (in) 5.4

Interior Dimensions

Passenger Capacity 5
Passenger Volume (ft³) 107
Front Head Room (in) 39.4
Front Leg Room (in) 41.1
Front Shoulder Room (in) 60
Second Head Room (in) 38.5
Second Leg Room (in) 40.4
Second Shoulder Room (in) 57.1