The Comparative Analysis :
Porsche 911 Targa 4S (16 - 18) vs. BMW 840i Cabrio xDrive Steptronic (19 - ..)
€ 132,500
€ 105,800
€ 132,500
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 Targa 4S is considerably smaller in every dimension. It's 34.4 cm shorter, 5 cm narrower and 4.6 cm lower than the BMW 840i Cabrio.
Porsche 911 Targa 4S
BMW 840i Cabrio
1293
1852
1978
1339
1902
2137
1852 mm
Width
1902 mm
1978 mm
Width Incl. Mirrors
2137 mm
1293 mm
Height
1339 mm
2450
4499
2822
4843
4499 mm
Length
4843 mm
2450 mm
Wheelbase
2822 mm
Vehicle Weight
Porsche 911 Targa 4S
BMW 840i Cabrio
1655 kg
Kerb Weight
1955 kg
2025 kg
Gross Vehicle
Weight
Weight
2400 kg
Weight Difference:
300 kg
15.35 %
General
Porsche 911 Targa 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 manual transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Targa 4S
BMW 840i Cabrio
6-cylinder boxer petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six petrol engine with turbocharger
Engine Series
BMW B58
Engine Code
B58-B30

4
Valves
4
6
Cylinders
6
2981 CC
Engine Capacity
2998 CC
414 bhp
at 6500 rpm
Power
335 bhp
at 5000 rpm
Porsche 911 Targa 4S
414 bhp
335 bhp
BMW 840i Cabrio
500 NM
at 1700 rpm
Max. Torque
500 NM
at 1600 rpm
Porsche 911 Targa 4S
500 NM
500 NM
BMW 840i Cabrio
Performance
Porsche 911 Targa 4S
BMW 840i Cabrio
188 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
61 m
0.000 sec
Porsche 911 Targa 4S
62 mph
62
mph
mph
68 m
0.000 sec
BMW 840i Cabrio
▶ REPLAY
4 kg/bhp
Weight-to-Power Ratio
5.84 kg/bhp
Porsche 911 Targa 4S
4 kg/bhp
5.84 kg/bhp
BMW 840i Cabrio
Fuel Economy / Emissions
Porsche 911 Targa 4S
BMW 840i Cabrio
Fuel Economy
31 mpg
combined
37 mpg
Porsche 911 Targa 4S
31 mpg
37 mpg
BMW 840i Cabrio
22 mpg
city
29 mpg
42 mpg
motorway
No data
68 L
Fuel Tank Capacity
68 L
470 mi
Range
549 mi
Porsche 911 Targa 4S
470 mi
549 mi
BMW 840i Cabrio
Environmental Impact
170.4 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).
145.8 kWh
Porsche 911 Targa 4S
170.4 kWh
145.8 kWh
BMW 840i Cabrio
Euro 6c (NEFZ) 36ZA-ZF
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
208 g/km (NEFZ)
CO2 Emissions
205 g/km (WLTP)
Practical Convenience
Porsche 911 Targa 4S
BMW 840i Cabrio
2
Doors
2
4
No. of Seats
4
370 kg
Maximum Payload
445 kg
125 L
Boot Capacity
350 L





No data
Boot Capacity (Seats Down)
No data



















