The Comparative Analysis :

Porsche 911 Targa 4 GTS (17 - 18) vs. BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)

€ 146,200
Porsche 911 Targa 4 GTS (17 - 18) Porsche 911 Targa 4 GTS
€ 176,000
 BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..) BMW M8 Competition Cabrio
€ 146,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 176,000

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

Vehicle Dimensions

The Porsche 911 Targa 4 GTS is considerably smaller in every dimension. It's 13.3 inches shorter, 2.2 inches narrower and 2.4 inches lower than the BMW M8 Competition Cabrio.
Porsche 911 Targa 4 GTS
BMW M8 Competition Cabrio
50.8
Blueprint Porsche 911 Targa 4 GTS (17 - 18)
72.9
77.9
53.3
Blueprint BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)
75.1
84.1
72.9 in
Width
75.1 in
77.9 in
Width Incl. Mirrors
84.1 in
50.8 in
Height
53.3 in
Blueprint Porsche 911 Targa 4 GTS (17 - 18)
96.5
178.3
Blueprint BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)
111.3
191.6
178.3 in
Length
191.6 in
96.5 in
Wheelbase
111.3 in

Vehicle Weight

Porsche 911 Targa 4 GTS
BMW M8 Competition Cabrio
3660 lb
Curb Weight
4597 lb
4464 lb
Gross Vehicle
Weight
5379 lb
Porsche 911 Targa 4 GTS (17 - 18)
Weight Difference:
937 lb
20.38 %
BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)

General

Porsche 911 Targa 4 GTS
BMW M8 Competition Cabrio
991
Generation
G14
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
7-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 Targa 4 GTS
BMW M8 Competition Cabrio
6-cylinder boxer gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW S63
Engine Code
S63-B44
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.4 L / 215 cu in
444 hp
at 6500 rpm
Power
616 hp
at 6000 rpm
Porsche 911 Targa 4 GTS
444 hp
616 hp
BMW M8 Competition Cabrio
406 lb‑ft
at 2150 rpm
Max. Torque
553 lb‑ft
at 1800 rpm
Porsche 911 Targa 4 GTS
406 lb‑ft
553 lb‑ft
BMW M8 Competition Cabrio

Performance

Porsche 911 Targa 4 GTS
BMW M8 Competition Cabrio
191 mph
Maximum Speed
155 mph
4.1 sec
Acceleration 0 to 62 mph
3.3 sec
62 mph 62
mph

187 ft
0.000 sec

Porsche 911 Targa 4 GTS

62 mph 62
mph

151 ft
0.000 sec

BMW M8 Competition Cabrio

▶ REPLAY
8.24 lb/hp
Weight-to-Power Ratio
7.46 lb/hp
Porsche 911 Targa 4 GTS
8.24 lb/hp
7.46 lb/hp
BMW M8 Competition Cabrio

Fuel Economy / Emissions

Porsche 911 Targa 4 GTS
BMW M8 Competition Cabrio
Fuel Economy
24 mpg
combined
22 mpg
Porsche 911 Targa 4 GTS
24 mpg
22 mpg
BMW M8 Competition Cabrio
18 mpg
city
No data
31 mpg
highway
No data
Kraftstoffanzeige
17.7 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
429 mi
Range
391 mi
Porsche 911 Targa 4 GTS
429 mi
391 mi
BMW M8 Competition Cabrio
Environmental Impact
183.8 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).
204.5 kWh
Porsche 911 Targa 4 GTS
183.8 kWh
204.5 kWh
BMW M8 Competition Cabrio
Euro 6c (NEFZ) 36ZA-ZF
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
354 g/mi (NEFZ)
CO2 Emissions
410 g/mi (WLTP)

Practical Convenience

Porsche 911 Targa 4 GTS
BMW M8 Competition Cabrio
2
Doors
2
4
No. of Seats
4
805 lb
Maximum Payload
783 lb
3.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data