The Comparative Analysis :
BMW 840i Cabrio Steptronic (19 - ..) vs. Porsche 911 Turbo Cabriolet (09 - 13)
€ 102,500
€ 161,700
€ 102,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 161,700
ⓘ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 39.3 cm longer, 5 cm wider and 3.9 cm taller than the Porsche 911 Turbo Cabriolet.
BMW 840i Cabrio
Porsche 911 Turbo Cabriolet
1339
1902
2137
1300
1852
2052
1902 mm
Width
1852 mm
2137 mm
Width Incl. Mirrors
2052 mm
1339 mm
Height
1300 mm
2822
4843
2350
4450
4843 mm
Length
4450 mm
2822 mm
Wheelbase
2350 mm
Vehicle Weight
BMW 840i Cabrio
Porsche 911 Turbo Cabriolet
1905 kg
Kerb Weight
1720 kg
2340 kg
Gross Vehicle
Weight
Weight
1995 kg
Weight Difference:
185 kg
9.71 %
General
BMW 840i Cabrio
Porsche 911 Turbo Cabriolet
G14
Generation
997
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
6-speed manual transmission
Engine
BMW 840i Cabrio
Porsche 911 Turbo Cabriolet
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
493 bhp
at 6000 rpm
BMW 840i Cabrio
335 bhp
493 bhp
Porsche 911 Turbo Cabriolet
500 NM
at 1600 rpm
Max. Torque
650 NM
at 1950 rpm
BMW 840i Cabrio
500 NM
650 NM
Porsche 911 Turbo Cabriolet
Performance
BMW 840i Cabrio
Porsche 911 Turbo Cabriolet
155 mph
Maximum Speed
194 mph
5.3 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph
62
mph
mph
74 m
0.000 sec
BMW 840i Cabrio
62 mph
62
mph
mph
53 m
0.000 sec
Porsche 911 Turbo Cabriolet
▶ REPLAY
5.69 kg/bhp
Weight-to-Power Ratio
3.49 kg/bhp
BMW 840i Cabrio
5.69 kg/bhp
3.49 kg/bhp
Porsche 911 Turbo Cabriolet
Fuel Economy / Emissions
BMW 840i Cabrio
Porsche 911 Turbo Cabriolet
Fuel Economy
38 mpg
combined
24 mpg
BMW 840i Cabrio
38 mpg
24 mpg
Porsche 911 Turbo Cabriolet
31 mpg
city
16 mpg
No data
motorway
34 mpg
68 L
Fuel Tank Capacity
67 L
571 mi
Range
356 mi
BMW 840i Cabrio
571 mi
356 mi
Porsche 911 Turbo Cabriolet
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).
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).
221.6 kWh
BMW 840i Cabrio
140.2 kWh
221.6 kWh
Porsche 911 Turbo Cabriolet
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
193 g/km (WLTP)
CO2 Emissions
275 g/km (NEFZ)
Practical Convenience
BMW 840i Cabrio
Porsche 911 Turbo Cabriolet
2
Doors
2
4
No. of Seats
4
435 kg
Maximum Payload
275 kg
350 L
Boot Capacity
105 L
No data
Boot Capacity (Seats Down)
No data
