The Comparative Analysis :

BMW 650i Convertible xDrive Steptronic (15 - 18) vs. Porsche 911 Targa 4 PDK (20 - ..)

€ 106,700
BMW 650i Convertible xDrive Steptronic (15 - 18) BMW 650i Cabrio
€ 128,500
 Porsche 911 Targa 4 PDK (20 - ..) Porsche 911 Targa 4
€ 106,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 128,500

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

Vehicle Dimensions

The BMW 650i Cabrio is considerably bigger in every dimension. It's 14.8 inches longer, 1.7 inches wider and 2.7 inches taller than the Porsche 911 Targa 4.
BMW 650i Cabrio
Porsche 911 Targa 4
53.7
Blueprint BMW 650i Convertible xDrive Steptronic (15 - 18)
74.6
81.9
51.1
Blueprint Porsche 911 Targa 4 PDK (20 - ..)
72.9
79.7
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
79.7 in
53.7 in
Height
51.1 in
Blueprint BMW 650i Convertible xDrive Steptronic (15 - 18)
112.4
192.7
Blueprint Porsche 911 Targa 4 PDK (20 - ..)
96.5
177.9
192.7 in
Length
177.9 in
112.4 in
Wheelbase
96.5 in

Vehicle Weight

BMW 650i Cabrio
Porsche 911 Targa 4
4530 lb
Curb Weight
3836 lb
5467 lb
Gross Vehicle
Weight
4542 lb
BMW 650i Convertible xDrive Steptronic (15 - 18)
Weight Difference:
694 lb
15.32 %
Porsche 911 Targa 4 PDK (20 - ..)

General

BMW 650i Cabrio
Porsche 911 Targa 4
F12
Generation
992
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
8-speed dual clutch transmission

Engine

BMW 650i Cabrio
Porsche 911 Targa 4
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N63
Engine Series
N63-B44
Engine Code
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3 L / 147 cu in
444 hp
at 5500 rpm
Power
380 hp
at 6500 rpm
BMW 650i Cabrio
444 hp
380 hp
Porsche 911 Targa 4
479 lb‑ft
at 2000 rpm
Max. Torque
332 lb‑ft
at 1950 rpm
BMW 650i Cabrio
479 lb‑ft
332 lb‑ft
Porsche 911 Targa 4

Performance

BMW 650i Cabrio
Porsche 911 Targa 4
155 mph
Maximum Speed
180 mph
4.5 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

207 ft
0.000 sec

BMW 650i Cabrio

62 mph 62
mph

200 ft
0.000 sec

Porsche 911 Targa 4

▶ REPLAY
10.2 lb/hp
Weight-to-Power Ratio
10.09 lb/hp
BMW 650i Cabrio
10.2 lb/hp
10.09 lb/hp
Porsche 911 Targa 4

Fuel Economy / Emissions

BMW 650i Cabrio
Porsche 911 Targa 4
Fuel Economy
25 mpg
combined
24 mpg
BMW 650i Cabrio
25 mpg
24 mpg
Porsche 911 Targa 4
18 mpg
city
18 mpg
No data
highway
29 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
17.7 gal
Kraftstoffanzeige
468 mi
Range
425 mi
BMW 650i Cabrio
468 mi
425 mi
Porsche 911 Targa 4
Environmental Impact
176.2 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).
185.7 kWh
BMW 650i Cabrio
176.2 kWh
185.7 kWh
Porsche 911 Targa 4
Euro 6b (NEFZ)
Emission Standard
Euro 6d-ISC-FCM (WLTP) 36AP-AR
349 g/mi (NEFZ)
CO2 Emissions
383 g/mi (WLTP)

Practical Convenience

BMW 650i Cabrio
Porsche 911 Targa 4
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
705 lb
9.9 cu ft
Trunk Volume
3.7 cu ft
No data
Cargo Volume (Seats Down)
No data