The Comparative Analysis :

Porsche 911 Targa 4S (14 - 15) vs. BMW 650i Convertible Steptronic (15 - 18)

€ 125,000
Porsche 911 Targa 4S (14 - 15) Porsche 911 Targa 4S
€ 103,300
 BMW 650i Convertible Steptronic (15 - 18) BMW 650i Cabrio
€ 125,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 103,300

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

Vehicle Dimensions

The Porsche 911 Targa 4S is significantly smaller in every dimension. It's 15.9 inches shorter, 1.7 inches narrower and 2.9 inches lower than the BMW 650i Cabrio.
Porsche 911 Targa 4S
BMW 650i Cabrio
50.8
Blueprint Porsche 911 Targa 4S (14 - 15)
72.9
77.9
53.7
Blueprint BMW 650i Convertible Steptronic (15 - 18)
74.6
81.9
72.9 in
Width
74.6 in
77.9 in
Width Incl. Mirrors
81.9 in
50.8 in
Height
53.7 in
Blueprint Porsche 911 Targa 4S (14 - 15)
96.5
176.8
Blueprint BMW 650i Convertible Steptronic (15 - 18)
112.4
192.7
176.8 in
Length
192.7 in
96.5 in
Wheelbase
112.4 in

Vehicle Weight

Porsche 911 Targa 4S
BMW 650i Cabrio
3594 lb
Curb Weight
4420 lb
4321 lb
Gross Vehicle
Weight
5346 lb
Porsche 911 Targa 4S (14 - 15)
Weight Difference:
827 lb
18.71 %
BMW 650i Convertible Steptronic (15 - 18)

General

Porsche 911 Targa 4S
BMW 650i Cabrio
991
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
7-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 Targa 4S
BMW 650i Cabrio
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW N63
Engine Code
N63-B44
4
Valves
4
6
Cylinders
8
3.8 L / 186 cu in
Displacement
4.4 L / 215 cu in
395 hp
at 7400 rpm
Power
444 hp
at 5500 rpm
Porsche 911 Targa 4S
395 hp
444 hp
BMW 650i Cabrio
325 lb‑ft
at 5600 rpm
Max. Torque
479 lb‑ft
at 2000 rpm
Porsche 911 Targa 4S
325 lb‑ft
479 lb‑ft
BMW 650i Cabrio

Performance

Porsche 911 Targa 4S
BMW 650i Cabrio
184 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

220 ft
0.000 sec

Porsche 911 Targa 4S

62 mph 62
mph

210 ft
0.000 sec

BMW 650i Cabrio

▶ REPLAY
9.1 lb/hp
Weight-to-Power Ratio
9.95 lb/hp
Porsche 911 Targa 4S
9.1 lb/hp
9.95 lb/hp
BMW 650i Cabrio

Fuel Economy / Emissions

Porsche 911 Targa 4S
BMW 650i Cabrio
Fuel Economy
24 mpg
combined
26 mpg
Porsche 911 Targa 4S
24 mpg
26 mpg
BMW 650i Cabrio
17 mpg
city
19 mpg
31 mpg
highway
No data
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
423 mi
Range
489 mi
Porsche 911 Targa 4S
423 mi
489 mi
BMW 650i Cabrio
Environmental Impact
189.4 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).
168.7 kWh
Porsche 911 Targa 4S
189.4 kWh
168.7 kWh
BMW 650i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
381 g/mi (NEFZ)
CO2 Emissions
335 g/mi (NEFZ)

Practical Convenience

Porsche 911 Targa 4S
BMW 650i Cabrio
2
Doors
2
4
No. of Seats
4
728 lb
Maximum Payload
926 lb
3.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data