The Comparative Analysis :

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

€ 108,000
BMW 840d Cabrio xDrive Steptronic (19 - ..) BMW 840d Cabrio
€ 128,600
 Porsche 911 Carrera Cabriolet 4S PDK (12 - 15) Porsche 911 Carrera Cabriolet 4S
€ 108,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 128,600

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

Vehicle Dimensions

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

Vehicle Weight

BMW 840d Cabrio
Porsche 911 Carrera Cabriolet 4S
2030 kg
Kerb Weight
1610 kg
2485 kg
Gross Vehicle
Weight
1955 kg
BMW 840d Cabrio xDrive Steptronic (19 - ..)
Weight Difference:
420 kg
20.69 %
Porsche 911 Carrera Cabriolet 4S PDK (12 - 15)

General

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

Engine

BMW 840d Cabrio
Porsche 911 Carrera Cabriolet 4S
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW B57
Engine Series
B57-D30
Engine Code
4
Valves
4
6
Cylinders
6
2993 CC
Engine Capacity
3800 CC
316 bhp
at 4400 rpm
Power
395 bhp
at 7400 rpm
BMW 840d Cabrio
316 bhp
395 bhp
Porsche 911 Carrera Cabriolet 4S
680 NM
at 1750 rpm
Max. Torque
440 NM
at 5600 rpm
BMW 840d Cabrio
680 NM
440 NM
Porsche 911 Carrera Cabriolet 4S

Performance

BMW 840d Cabrio
Porsche 911 Carrera Cabriolet 4S
155 mph
Maximum Speed
183 mph
5.2 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

72 m
0.000 sec

BMW 840d Cabrio

62 mph 62
mph

63 m
0.000 sec

Porsche 911 Carrera Cabriolet 4S

▶ REPLAY
6.42 kg/bhp
Weight-to-Power Ratio
4.08 kg/bhp
BMW 840d Cabrio
6.42 kg/bhp
4.08 kg/bhp
Porsche 911 Carrera Cabriolet 4S

Fuel Economy / Emissions

BMW 840d Cabrio
Porsche 911 Carrera Cabriolet 4S
Fuel Economy
46 mpg
combined
31 mpg
BMW 840d Cabrio
46 mpg
31 mpg
Porsche 911 Carrera Cabriolet 4S
38 mpg
city
22 mpg
No data
motorway
40 mpg
Kraftstoffanzeige
66 L
Fuel Tank Capacity
68 L
Kraftstoffanzeige
662 mi
Range
459 mi
BMW 840d Cabrio
662 mi
459 mi
Porsche 911 Carrera Cabriolet 4S
Environmental Impact
127.6 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).
174.3 kWh
BMW 840d Cabrio
127.6 kWh
174.3 kWh
Porsche 911 Carrera Cabriolet 4S
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5 / Euro 6
184 g/km (WLTP)
CO2 Emissions
217 g/km (NEFZ)

Practical Convenience

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