The Comparative Analysis :

Porsche 911 Carrera Convertible PDK (12 - 15) vs. BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)

€ 106,700
Porsche 911 Carrera Convertible PDK (12 - 15) Porsche 911 Carrera Convertible
€ 176,000
 BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..) BMW M8 Competition Cabrio
€ 106,700
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 Carrera Convertible is significantly smaller in every dimension. It's 14.8 inches shorter, 3.9 inches narrower and 2.1 inches lower than the BMW M8 Competition Cabrio.
Porsche 911 Carrera Convertible
BMW M8 Competition Cabrio
51.1
Blueprint Porsche 911 Carrera Convertible PDK (12 - 15)
71.2
77.9
53.3
Blueprint BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)
75.1
84.1
71.2 in
Width
75.1 in
77.9 in
Width Incl. Mirrors
84.1 in
51.1 in
Height
53.3 in
Blueprint Porsche 911 Carrera Convertible PDK (12 - 15)
96.5
176.8
Blueprint BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)
111.3
191.6
176.8 in
Length
191.6 in
96.5 in
Wheelbase
111.3 in

Vehicle Weight

Porsche 911 Carrera Convertible
BMW M8 Competition Cabrio
3406 lb
Curb Weight
4597 lb
4123 lb
Gross Vehicle
Weight
5379 lb
Porsche 911 Carrera Convertible PDK (12 - 15)
Weight Difference:
1190 lb
25.89 %
BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)

General

Porsche 911 Carrera Convertible
BMW M8 Competition Cabrio
991
Generation
G14
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
8-speed automatic transmission

Engine

Porsche 911 Carrera Convertible
BMW M8 Competition Cabrio
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW S63
Engine Code
S63-B44
4
Valves
4
6
Cylinders
8
3.4 L / 166 cu in
Displacement
4.4 L / 215 cu in
345 hp
at 7400 rpm
Power
616 hp
at 6000 rpm
Porsche 911 Carrera Convertible
345 hp
616 hp
BMW M8 Competition Cabrio
288 lb‑ft
at 5600 rpm
Max. Torque
553 lb‑ft
at 1800 rpm
Porsche 911 Carrera Convertible
288 lb‑ft
553 lb‑ft
BMW M8 Competition Cabrio

Performance

Porsche 911 Carrera Convertible
BMW M8 Competition Cabrio
176 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
3.3 sec
62 mph 62
mph

220 ft
0.000 sec

Porsche 911 Carrera Convertible

62 mph 62
mph

151 ft
0.000 sec

BMW M8 Competition Cabrio

▶ REPLAY
9.87 lb/hp
Weight-to-Power Ratio
7.46 lb/hp
Porsche 911 Carrera Convertible
9.87 lb/hp
7.46 lb/hp
BMW M8 Competition Cabrio

Fuel Economy / Emissions

Porsche 911 Carrera Convertible
BMW M8 Competition Cabrio
Fuel Economy
28 mpg
combined
22 mpg
Porsche 911 Carrera Convertible
28 mpg
22 mpg
BMW M8 Competition Cabrio
21 mpg
city
No data
35 mpg
highway
No data
Kraftstoffanzeige
16.9 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
473 mi
Range
391 mi
Porsche 911 Carrera Convertible
473 mi
391 mi
BMW M8 Competition Cabrio
Environmental Impact
159.2 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).
204.5 kWh
Porsche 911 Carrera Convertible
159.2 kWh
204.5 kWh
BMW M8 Competition Cabrio
Euro 5 / Euro 6
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
319 g/mi (NEFZ)
CO2 Emissions
410 g/mi (WLTP)

Practical Convenience

Porsche 911 Carrera Convertible
BMW M8 Competition Cabrio
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
783 lb
4.1 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data