The Comparative Analysis :

BMW 840i Cabrio Steptronic (19 - ..) vs. Porsche 911 Turbo Cabriolet S PDK (16 - 18)

€ 102,500
BMW 840i Cabrio Steptronic (19 - ..) BMW 840i Cabrio
€ 218,200
 Porsche 911 Turbo Cabriolet S PDK (16 - 18) Porsche 911 Turbo Cabriolet S
€ 102,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 218,200

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW 840i Cabrio is considerably bigger in every dimension. It's 33.6 cm longer, 2.2 cm wider and 4.5 cm taller than the Porsche 911 Turbo Cabriolet S.
BMW 840i Cabrio
Porsche 911 Turbo Cabriolet S
1339
Blueprint BMW 840i Cabrio Steptronic (19 - ..)
1902
2137
1294
Blueprint Porsche 911 Turbo Cabriolet S PDK (16 - 18)
1880
1978
1902 mm
Width
1880 mm
2137 mm
Width Incl. Mirrors
1978 mm
1339 mm
Height
1294 mm
Blueprint BMW 840i Cabrio Steptronic (19 - ..)
2822
4843
Blueprint Porsche 911 Turbo Cabriolet S PDK (16 - 18)
2450
4507
4843 mm
Length
4507 mm
2822 mm
Wheelbase
2450 mm

Vehicle Weight

BMW 840i Cabrio
Porsche 911 Turbo Cabriolet S
1905 kg
Kerb Weight
1745 kg
2340 kg
Gross Vehicle
Weight
2045 kg
BMW 840i Cabrio Steptronic (19 - ..)
Weight Difference:
160 kg
8.4 %
Porsche 911 Turbo Cabriolet S PDK (16 - 18)

General

BMW 840i Cabrio
Porsche 911 Turbo Cabriolet S
G14
Generation
991
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Permanent all-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW 840i Cabrio
Porsche 911 Turbo Cabriolet S
Straight-six petrol engine with tur­bo­charger
Engine Type
6-cylinder boxer petrol engine with two tur­bo­chargers (bi­turbo)
BMW B58
Engine Series
B58-B30
Engine Code
4
Valves
4
6
Cylinders
6
2998 CC
Engine Capacity
3800 CC
335 bhp
at 5000 rpm
Power
572 bhp
at 6750 rpm
BMW 840i Cabrio
335 bhp
572 bhp
Porsche 911 Turbo Cabriolet S
500 NM
at 1600 rpm
Max. Torque
700 NM
at 5600 rpm
BMW 840i Cabrio
500 NM
700 NM
Porsche 911 Turbo Cabriolet S

Performance

BMW 840i Cabrio
Porsche 911 Turbo Cabriolet S
155 mph
Maximum Speed
205 mph
5.3 sec
Acceleration 0 to 62 mph
3 sec
62 mph 62
mph

74 m
0.000 sec

BMW 840i Cabrio

62 mph 62
mph

42 m
0.000 sec

Porsche 911 Turbo Cabriolet S

▶ REPLAY
5.69 kg/bhp
Weight-to-Power Ratio
3.05 kg/bhp
BMW 840i Cabrio
5.69 kg/bhp
3.05 kg/bhp
Porsche 911 Turbo Cabriolet S

Fuel Economy / Emissions

BMW 840i Cabrio
Porsche 911 Turbo Cabriolet S
Fuel Economy
38 mpg
combined
30 mpg
BMW 840i Cabrio
38 mpg
30 mpg
Porsche 911 Turbo Cabriolet S
31 mpg
city
23 mpg
No data
motorway
37 mpg
Kraftstoffanzeige
68 L
Fuel Tank Capacity
68 L
Kraftstoffanzeige
571 mi
Range
454 mi
BMW 840i Cabrio
571 mi
454 mi
Porsche 911 Turbo Cabriolet S
Environmental Impact
140.2 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).
176.2 kWh
BMW 840i Cabrio
140.2 kWh
176.2 kWh
Porsche 911 Turbo Cabriolet S
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
193 g/km (WLTP)
CO2 Emissions
216 g/km (NEFZ)

Practical Convenience

BMW 840i Cabrio
Porsche 911 Turbo Cabriolet S
2
Doors
2
4
No. of Seats
4
435 kg
Maximum Payload
300 kg
350 L
Boot Capacity
115 L
No data
Boot Capacity (Seats Down)
No data