The Comparative Analysis :

BMW M6 Convertible M DKG (15 - 18) vs. Porsche 911 Targa 4 GTS PDK (15 - 15)

€ 138,800
BMW M6 Convertible M DKG (15 - 18) BMW M6 Cabrio
€ 140,900
 Porsche 911 Targa 4 GTS PDK (15 - 15) Porsche 911 Targa 4 GTS
€ 138,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 140,900

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

Vehicle Dimensions

The BMW M6 Cabrio is significantly bigger in every dimension. It's 15.3 inches longer, 1.9 inches wider and 3.1 inches taller than the Porsche 911 Targa 4 GTS.
BMW M6 Cabrio
Porsche 911 Targa 4 GTS
53.9
Blueprint BMW M6 Convertible M DKG (15 - 18)
74.8
82.9
50.7
Blueprint Porsche 911 Targa 4 GTS PDK (15 - 15)
72.9
77.9
74.8 in
Width
72.9 in
82.9 in
Width Incl. Mirrors
77.9 in
53.9 in
Height
50.7 in
Blueprint BMW M6 Convertible M DKG (15 - 18)
112.2
192.8
Blueprint Porsche 911 Targa 4 GTS PDK (15 - 15)
96.5
177.5
192.8 in
Length
177.5 in
112.2 in
Wheelbase
96.5 in

Vehicle Weight

BMW M6 Cabrio
Porsche 911 Targa 4 GTS
4530 lb
Curb Weight
3649 lb
5313 lb
Gross Vehicle
Weight
4365 lb
BMW M6 Convertible M DKG (15 - 18)
Weight Difference:
882 lb
19.47 %
Porsche 911 Targa 4 GTS PDK (15 - 15)

General

BMW M6 Cabrio
Porsche 911 Targa 4 GTS
F12
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed dual clutch transmission
Transmission
7-speed dual clutch transmission

Engine

BMW M6 Cabrio
Porsche 911 Targa 4 GTS
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW S63
Engine Series
S63-B44
Engine Code
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3.8 L / 186 cu in
552 hp
at 6000 rpm
Power
424 hp
at 7500 rpm
BMW M6 Cabrio
552 hp
424 hp
Porsche 911 Targa 4 GTS
502 lb‑ft
at 1500 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
BMW M6 Cabrio
502 lb‑ft
325 lb‑ft
Porsche 911 Targa 4 GTS

Performance

BMW M6 Cabrio
Porsche 911 Targa 4 GTS
155 mph
Maximum Speed
187 mph
4.3 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph 62
mph

197 ft
0.000 sec

BMW M6 Cabrio

62 mph 62
mph

197 ft
0.000 sec

Porsche 911 Targa 4 GTS

▶ REPLAY
8.21 lb/hp
Weight-to-Power Ratio
8.61 lb/hp
BMW M6 Cabrio
8.21 lb/hp
8.61 lb/hp
Porsche 911 Targa 4 GTS

Fuel Economy / Emissions

BMW M6 Cabrio
Porsche 911 Targa 4 GTS
Fuel Economy
23 mpg
combined
26 mpg
BMW M6 Cabrio
23 mpg
26 mpg
Porsche 911 Targa 4 GTS
17 mpg
city
19 mpg
No data
highway
33 mpg
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
483 mi
Range
459 mi
BMW M6 Cabrio
483 mi
459 mi
Porsche 911 Targa 4 GTS
Environmental Impact
195.2 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).
174.3 kWh
BMW M6 Cabrio
195.2 kWh
174.3 kWh
Porsche 911 Targa 4 GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
385 g/mi (NEFZ)
CO2 Emissions
344 g/mi (NEFZ)

Practical Convenience

BMW M6 Cabrio
Porsche 911 Targa 4 GTS
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
717 lb
9.9 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data