The Comparative Analysis :
Porsche 911 Turbo Cabriolet PDK (13 - 15) vs. BMW 840d Cabrio xDrive Steptronic (19 - ..)
€ 177,900
€ 108,000
€ 177,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 108,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Turbo Cabriolet is considerably smaller in every dimension. It's 33.7 cm shorter, 2.2 cm narrower and 4.7 cm lower than the BMW 840d Cabrio.
Porsche 911 Turbo Cabriolet
BMW 840d Cabrio
1292
1880
1978
1339
1902
2137
1880 mm
Width
1902 mm
1978 mm
Width Incl. Mirrors
2137 mm
1292 mm
Height
1339 mm
2450
4506
2822
4843
4506 mm
Length
4843 mm
2450 mm
Wheelbase
2822 mm
Vehicle Weight
Porsche 911 Turbo Cabriolet
BMW 840d Cabrio
1740 kg
Kerb Weight
2030 kg
2045 kg
Gross Vehicle
Weight
Weight
2485 kg
Weight Difference:
290 kg
14.29 %
General
Porsche 911 Turbo Cabriolet
BMW 840d Cabrio
991
Generation
G14
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Diesel

Permanent all-wheel drive
Drive
Permanent all-wheel drive

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Turbo Cabriolet
BMW 840d Cabrio
6-cylinder boxer petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Engine Series
BMW B57
Engine Code
B57-D30
4
Valves
4
6
Cylinders
6
3800 CC
Engine Capacity
2993 CC
513 bhp
at 6000 rpm
Power
316 bhp
at 4400 rpm
Porsche 911 Turbo Cabriolet
513 bhp
316 bhp
BMW 840d Cabrio
660 NM
at 5600 rpm
Max. Torque
680 NM
at 1750 rpm
Porsche 911 Turbo Cabriolet
660 NM
680 NM
BMW 840d Cabrio
Performance
Porsche 911 Turbo Cabriolet
BMW 840d Cabrio
196 mph
Maximum Speed
155 mph
3.5 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
49 m
0.000 sec
Porsche 911 Turbo Cabriolet
62 mph
62
mph
mph
72 m
0.000 sec
BMW 840d Cabrio
▶ REPLAY
3.39 kg/bhp
Weight-to-Power Ratio
6.42 kg/bhp
Porsche 911 Turbo Cabriolet
3.39 kg/bhp
6.42 kg/bhp
BMW 840d Cabrio
Fuel Economy / Emissions
Porsche 911 Turbo Cabriolet
BMW 840d Cabrio
Fuel Economy
29 mpg
combined
46 mpg
Porsche 911 Turbo Cabriolet
29 mpg
46 mpg
BMW 840d Cabrio
21 mpg
city
38 mpg
36 mpg
motorway
No data
68 L
Fuel Tank Capacity
66 L
427 mi
Range
662 mi
Porsche 911 Turbo Cabriolet
427 mi
662 mi
BMW 840d Cabrio
Environmental Impact
187.5 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).
127.6 kWh
Porsche 911 Turbo Cabriolet
187.5 kWh
127.6 kWh
BMW 840d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
231 g/km (NEFZ)
CO2 Emissions
184 g/km (WLTP)
Practical Convenience
Porsche 911 Turbo Cabriolet
BMW 840d Cabrio
2
Doors
2
4
No. of Seats
4
305 kg
Maximum Payload
455 kg
115 L
Boot Capacity
350 L







No data
Boot Capacity (Seats Down)
No data






















