The Comparative Analysis :
BMW 840i Convertible xDrive Steptronic (19 - ..) vs. BMW 635d Convertible Sport-Automatic (07 - 10)
€ 105,800
€ 85,200
€ 105,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The 840i Cabrio is 0.9 inches longer, 1.9 inches wider and 1.4 inches lower than the 635d Cabrio.
840i Cabrio
635d Cabrio
52.7
74.9
84.1
54.1
73
80.2
74.9 in
Width
73 in
84.1 in
Width Incl. Mirrors
80.2 in
52.7 in
Height
54.1 in
111.1
190.7
109.4
189.8
190.7 in
Length
189.8 in
111.1 in
Wheelbase
109.4 in
Vehicle Weight
840i Cabrio
635d Cabrio
4310 lb
Curb Weight
4266 lb
5291 lb
Gross Vehicle
Weight
Weight
4982 lb
Weight Difference:
44 lb
1.02 %
General
840i Cabrio
635d Cabrio
G14
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
840i Cabrio
635d Cabrio
Straight-six gasoline engine with turbocharger
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
BMW B58
Engine Series
BMW M57
B58-B30
Engine Code
M57-D30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
335 hp
at 5000 rpm
Power
282 hp
at 4400 rpm
840i Cabrio
335 hp
282 hp
635d Cabrio
369 lb‑ft
at 1600 rpm
Max. Torque
428 lb‑ft
at 1750 rpm
840i Cabrio
369 lb‑ft
428 lb‑ft
635d Cabrio
Performance
840i Cabrio
635d Cabrio
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
223 ft
0.000 sec
840i Cabrio
62 mph
62
mph
mph
302 ft
0.000 sec
635d Cabrio
▶ REPLAY
12.87 lb/hp
Weight-to-Power Ratio
15.13 lb/hp
840i Cabrio
12.87 lb/hp
15.13 lb/hp
635d Cabrio
Fuel Economy / Emissions
840i Cabrio
635d Cabrio
Fuel Economy
31 mpg
combined
33 mpg
840i Cabrio
31 mpg
33 mpg
635d Cabrio
24 mpg
city
25 mpg
No data
highway
No data
18 gal
Fuel Tank Capacity
18.5 gal
549 mi
Range
604 mi
840i Cabrio
549 mi
604 mi
635d Cabrio
Environmental Impact
145.8 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
148.1 kWh
840i Cabrio
145.8 kWh
148.1 kWh
635d Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4
330 g/mi (WLTP)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
840i Cabrio
635d Cabrio
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
717 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
