The Comparative Analysis :
Porsche 911 Turbo Convertible S PDK (20 - ..) vs. BMW 635d Convertible Sport-Automatic (07 - 10)
€ 231,700

€ 85,200

€ 231,700
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 considerably. The Porsche 911 Turbo Convertible S is 11.2 inches shorter, 1.8 inches wider and 2.9 inches lower than the BMW 635d Cabrio.
Porsche 911 Turbo Convertible S
BMW 635d Cabrio
51.2
74.8
79.7
54.1
73
80.2
74.8 in
Width
73 in
79.7 in
Width Incl. Mirrors
80.2 in
51.2 in
Height
54.1 in
96.5
178.5
109.4
189.8
178.5 in
Length
189.8 in
96.5 in
Wheelbase
109.4 in
Vehicle Weight
Porsche 911 Turbo Convertible S
BMW 635d Cabrio
3935 lb
Curb Weight
4266 lb
4586 lb
Gross Vehicle
Weight
Weight
4982 lb

Weight Difference:
331 lb
7.76 %

General
Porsche 911 Turbo Convertible S
BMW 635d Cabrio
992
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

8-speed dual clutch transmission
Transmission
6-speed automatic transmission
Engine
Porsche 911 Turbo Convertible S
BMW 635d Cabrio
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Engine Series
BMW M57
Engine Code
M57-D30

4
Valves
4
6
Cylinders
6
3.7 L / 181 cu in
Displacement
3 L / 147 cu in
641 hp
at 6750 rpm
Power
282 hp
at 4400 rpm
Porsche 911 Turbo Convertible S
641 hp
282 hp
BMW 635d Cabrio
590 lb‑ft
at 2500 rpm
Max. Torque
428 lb‑ft
at 1750 rpm
Porsche 911 Turbo Convertible S
590 lb‑ft
428 lb‑ft
BMW 635d Cabrio
Performance
Porsche 911 Turbo Convertible S
BMW 635d Cabrio
205 mph
Maximum Speed
155 mph
2.8 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
128 ft
0.000 sec

Porsche 911 Turbo Convertible S
62 mph
62
mph
mph
302 ft
0.000 sec

BMW 635d Cabrio
▶ REPLAY
6.14 lb/hp
Weight-to-Power Ratio
15.13 lb/hp
Porsche 911 Turbo Convertible S
6.14 lb/hp
15.13 lb/hp
BMW 635d Cabrio
Fuel Economy / Emissions
Porsche 911 Turbo Convertible S
BMW 635d Cabrio
Fuel Economy
21 mpg
combined
33 mpg
Porsche 911 Turbo Convertible S
21 mpg
33 mpg
BMW 635d Cabrio
15 mpg
city
25 mpg
27 mpg
highway
No data
17.7 gal
Fuel Tank Capacity
18.5 gal
368 mi
Range
604 mi
Porsche 911 Turbo Convertible S
368 mi
604 mi
BMW 635d Cabrio
Environmental Impact
214 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
Porsche 911 Turbo Convertible S
214 kWh
148.1 kWh
BMW 635d Cabrio
Euro 6d-ISC-FCM (WLTP) 36AP-AR
Emission Standard
Euro 4
443 g/mi (WLTP)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
Porsche 911 Turbo Convertible S
BMW 635d Cabrio
2
Doors
2
4
No. of Seats
4
650 lb
Maximum Payload
717 lb
3.6 cu ft
Trunk Volume
9.9 cu ft





No data
Cargo Volume (Seats Down)
No data