The Comparative Analysis :

Porsche 911 Carrera Cabriolet 4S PDK (12 - 15) vs. BMW 840i Cabrio xDrive Steptronic (19 - ..)

€ 142,800
Porsche 911 Carrera Cabriolet 4S PDK (12 - 15) Porsche 911 Carrera Cabriolet 4S
€ 105,800
 BMW 840i Cabrio xDrive Steptronic (19 - ..) BMW 840i Cabrio
€ 142,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 105,800

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

Vehicle Dimensions

The Porsche 911 Carrera Cabriolet 4S is considerably smaller in every dimension. It's 35.2 cm shorter, 5 cm narrower and 4.5 cm lower than the BMW 840i Cabrio.
Porsche 911 Carrera Cabriolet 4S
BMW 840i Cabrio
1294
Blueprint Porsche 911 Carrera Cabriolet 4S PDK (12 - 15)
1852
1978
1339
Blueprint BMW 840i Cabrio xDrive Steptronic (19 - ..)
1902
2137
1852 mm
Width
1902 mm
1978 mm
Width Incl. Mirrors
2137 mm
1294 mm
Height
1339 mm
Blueprint Porsche 911 Carrera Cabriolet 4S PDK (12 - 15)
2450
4491
Blueprint BMW 840i Cabrio xDrive Steptronic (19 - ..)
2822
4843
4491 mm
Length
4843 mm
2450 mm
Wheelbase
2822 mm

Vehicle Weight

Porsche 911 Carrera Cabriolet 4S
BMW 840i Cabrio
1610 kg
Kerb Weight
1955 kg
1955 kg
Gross Vehicle
Weight
2400 kg
Porsche 911 Carrera Cabriolet 4S PDK (12 - 15)
Weight Difference:
345 kg
17.65 %
BMW 840i Cabrio xDrive Steptronic (19 - ..)

General

Porsche 911 Carrera Cabriolet 4S
BMW 840i Cabrio
991
Generation
G14
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Permanent all-wheel drive
7-speed dual clutch transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 Carrera Cabriolet 4S
BMW 840i Cabrio
6-cylinder boxer petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six petrol engine with tur­bo­charger
Engine Series
BMW B58
Engine Code
B58-B30
4
Valves
4
6
Cylinders
6
3800 CC
Engine Capacity
2998 CC
424 bhp
at 7500 rpm
Power
335 bhp
at 5000 rpm
Porsche 911 Carrera Cabriolet 4S
424 bhp
335 bhp
BMW 840i Cabrio
440 NM
at 5750 rpm
Max. Torque
500 NM
at 1600 rpm
Porsche 911 Carrera Cabriolet 4S
440 NM
500 NM
BMW 840i Cabrio

Performance

Porsche 911 Carrera Cabriolet 4S
BMW 840i Cabrio
185 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

61 m
0.000 sec

Porsche 911 Carrera Cabriolet 4S

62 mph 62
mph

68 m
0.000 sec

BMW 840i Cabrio

▶ REPLAY
3.8 kg/bhp
Weight-to-Power Ratio
5.84 kg/bhp
Porsche 911 Carrera Cabriolet 4S
3.8 kg/bhp
5.84 kg/bhp
BMW 840i Cabrio

Fuel Economy / Emissions

Porsche 911 Carrera Cabriolet 4S
BMW 840i Cabrio
Fuel Economy
31 mpg
combined
37 mpg
Porsche 911 Carrera Cabriolet 4S
31 mpg
37 mpg
BMW 840i Cabrio
22 mpg
city
29 mpg
40 mpg
motorway
No data
Kraftstoffanzeige
68 L
Fuel Tank Capacity
68 L
Kraftstoffanzeige
459 mi
Range
549 mi
Porsche 911 Carrera Cabriolet 4S
459 mi
549 mi
BMW 840i Cabrio
Environmental Impact
174.3 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).
145.8 kWh
Porsche 911 Carrera Cabriolet 4S
174.3 kWh
145.8 kWh
BMW 840i Cabrio
Euro 5 / Euro 6
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
217 g/km (NEFZ)
CO2 Emissions
205 g/km (WLTP)

Practical Convenience

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