Specs
Research 2018 BMW 6 Series specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.
640i Convertible
Brakes
Brake Type |
4-Wheel Disc |
Disc - Front (Yes or ) |
Yes |
Drum - Rear (Yes or ) |
|
Rear Drum Diam x Width (in) |
|
Disc - Rear (Yes or ) |
Yes |
Front Brake Rotor Diam x Thickness (in) |
13.7 |
Rear Brake Rotor Diam x Thickness (in) |
13.6 |
Brake ABS System |
4-Wheel |
Cargo Area Dimensions
Electrical
Maximum Alternator Capacity (amps) |
210 |
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year |
7.7 |
Engine
Engine Type |
Intercooled Turbo Premium Unleaded I-6 |
Displacement |
3.0 L/182 |
SAE Net Horsepower @ RPM |
315 @ 5800 |
Fuel System |
Gasoline Direct Injection |
SAE Net Torque @ RPM |
330 @ 1400 |
Engine Order Code |
|
Exterior Dimensions
Length, Overall (in) |
192.8 |
Min Ground Clearance (in) |
4.8 |
Track Width, Rear (in) |
65.2 |
Track Width, Front (in) |
63 |
Height, Overall (in) |
53.7 |
Width, Max w/o mirrors (in) |
74.6 |
Wheelbase (in) |
112.4 |
Fuel Tank
Fuel Tank Capacity, Approx (gal) |
18.5 |
Interior Dimensions
Front Shoulder Room (in) |
56.9 |
Front Head Room (in) |
40.3 |
Second Head Room (in) |
36.5 |
Second Leg Room (in) |
30.5 |
Second Shoulder Room (in) |
49.6 |
Front Leg Room (in) |
42.1 |
Passenger Volume (ft³) |
89 |
Passenger Capacity |
4 |
Mileage
EPA Fuel Economy Est - City (MPG) |
20 |
Fuel Economy Est-Combined (MPG) |
23 |
EPA Fuel Economy Est - Hwy (MPG) |
29 |
Steering
Steering Type |
Rack-Pinion |
Turning Diameter - Curb to Curb (ft) |
38.4 |
Summary
Vehicle Name |
BMW 6 Series |
Body Style |
Convertible |
Suspension
Suspension Type - Rear |
Multi-Link |
Suspension Type - Front (Cont.) |
Double Wishbone |
Suspension Type - Rear (Cont.) |
Multi-Link |
Suspension Type - Front |
Double Wishbone |
Tires
Rear Tire Size |
P275/30YR20 |
Rear Tire Size |
P275/30YR20 |
Rear Tire Size |
P245/45VR18 |
Spare Tire Size |
|
Front Tire Size |
P245/35YR20 |
Front Tire Order Code |
|
Rear Tire Order Code |
|
Spare Tire Order Code |
|
Front Tire Size |
P245/40VR19 |
Front Tire Size |
P245/35YR20 |
Front Tire Size |
P245/40YR19 |
Front Tire Size |
P245/45VR18 |
Rear Tire Size |
P245/40VR19 |
Rear Tire Size |
P275/35YR19 |
Transmission
Eighth Gear Ratio (:1) |
0.67 |
Final Drive Axle Ratio (:1) |
3.23 |
Reverse Ratio (:1) |
3.29 |
Sixth Gear Ratio (:1) |
1.00 |
Fifth Gear Ratio (:1) |
1.28 |
Fourth Gear Ratio (:1) |
1.67 |
Third Gear Ratio (:1) |
2.11 |
Second Gear Ratio (:1) |
3.14 |
First Gear Ratio (:1) |
4.71 |
Trans Description Cont. Again |
|
Trans Description Cont. |
Automatic w/OD |
Trans Type |
8 |
Trans Order Code |
2TB |
Drivetrain |
Rear Wheel Drive |
Seventh Gear Ratio (:1) |
0.84 |
Vehicle
EPA Classification |
Subcompact Cars |
Weight Information
Base Curb Weight (lbs) |
4255 |
Wheels
Front Wheel Size (in) |
20 X 8.5 |
Front Wheel Size (in) |
19 X 8.5 |
Front Wheel Size (in) |
19 X 8.5 |
Front Wheel Size (in) |
19 X 8.5 |
Front Wheel Size (in) |
19 X 8.5 |
Front Wheel Size (in) |
20 X 8.5 |
Rear Wheel Size (in) |
19 X 8.5 |
Rear Wheel Size (in) |
19 X 9 |
Rear Wheel Size (in) |
20 X 9 |
Rear Wheel Size (in) |
20 X 9 |
Rear Wheel Size (in) |
18 X 8 |
Spare Wheel Size (in) |
|
Front Wheel Material |
Forged Aluminum |
Front Wheel Material |
Aluminum |
Rear Wheel Material |
Forged Aluminum |
Rear Wheel Material |
Aluminum |
Spare Wheel Material |
|
Rear Wheel Size (in) |
19 X 8.5 |
Rear Wheel Size (in) |
19 X 9 |
Front Wheel Size (in) |
18 X 8 |
Rear Wheel Size (in) |
20 X 9 |
Front Wheel Size (in) |
20 X 8.5 |