The Comparative Analysis :

BMW 840i Cabrio Steptronic (19 - ..) vs. Porsche 911 Carrera Cabriolet GTS (14 - 15)

€ 102,500
BMW 840i Cabrio Steptronic (19 - ..) BMW 840i Cabrio
€ 130,300
 Porsche 911 Carrera Cabriolet GTS (14 - 15) Porsche 911 Carrera Cabriolet GTS
€ 102,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 130,300

ⓘ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 33.4 cm longer, 5 cm wider and 4.7 cm taller than the Porsche 911 Carrera Cabriolet GTS.
BMW 840i Cabrio
Porsche 911 Carrera Cabriolet GTS
1339
Blueprint BMW 840i Cabrio Steptronic (19 - ..)
1902
2137
1292
Blueprint Porsche 911 Carrera Cabriolet GTS (14 - 15)
1852
1978
1902 mm
Width
1852 mm
2137 mm
Width Incl. Mirrors
1978 mm
1339 mm
Height
1292 mm
Blueprint BMW 840i Cabrio Steptronic (19 - ..)
2822
4843
Blueprint Porsche 911 Carrera Cabriolet GTS (14 - 15)
2450
4509
4843 mm
Length
4509 mm
2822 mm
Wheelbase
2450 mm

Vehicle Weight

BMW 840i Cabrio
Porsche 911 Carrera Cabriolet GTS
1905 kg
Kerb Weight
1570 kg
2340 kg
Gross Vehicle
Weight
1905 kg
BMW 840i Cabrio Steptronic (19 - ..)
Weight Difference:
335 kg
17.59 %
Porsche 911 Carrera Cabriolet GTS (14 - 15)

General

BMW 840i Cabrio
Porsche 911 Carrera Cabriolet GTS
G14
Generation
991
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed manual transmission

Engine

BMW 840i Cabrio
Porsche 911 Carrera Cabriolet GTS
Straight-six petrol engine with tur­bo­charger
Engine Type
6-cylinder boxer petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
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
424 bhp
at 7500 rpm
BMW 840i Cabrio
335 bhp
424 bhp
Porsche 911 Carrera Cabriolet GTS
500 NM
at 1600 rpm
Max. Torque
440 NM
at 5750 rpm
BMW 840i Cabrio
500 NM
440 NM
Porsche 911 Carrera Cabriolet GTS

Performance

BMW 840i Cabrio
Porsche 911 Carrera Cabriolet GTS
155 mph
Maximum Speed
189 mph
5.3 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

74 m
0.000 sec

BMW 840i Cabrio

62 mph 62
mph

64 m
0.000 sec

Porsche 911 Carrera Cabriolet GTS

▶ REPLAY
5.69 kg/bhp
Weight-to-Power Ratio
3.7 kg/bhp
BMW 840i Cabrio
5.69 kg/bhp
3.7 kg/bhp
Porsche 911 Carrera Cabriolet GTS

Fuel Economy / Emissions

BMW 840i Cabrio
Porsche 911 Carrera Cabriolet GTS
Fuel Economy
38 mpg
combined
29 mpg
BMW 840i Cabrio
38 mpg
29 mpg
Porsche 911 Carrera Cabriolet GTS
31 mpg
city
21 mpg
No data
motorway
37 mpg
Kraftstoffanzeige
68 L
Fuel Tank Capacity
64 L
Kraftstoffanzeige
571 mi
Range
410 mi
BMW 840i Cabrio
571 mi
410 mi
Porsche 911 Carrera Cabriolet GTS
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).
183.8 kWh
BMW 840i Cabrio
140.2 kWh
183.8 kWh
Porsche 911 Carrera Cabriolet GTS
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
193 g/km (WLTP)
CO2 Emissions
228 g/km (NEFZ)

Practical Convenience

BMW 840i Cabrio
Porsche 911 Carrera Cabriolet GTS
2
Doors
2
4
No. of Seats
4
435 kg
Maximum Payload
335 kg
350 L
Boot Capacity
125 L
No data
Boot Capacity (Seats Down)
No data