The Comparative Analysis :

Porsche 911 Targa 4S (08 - 12) vs. BMW 640d Convertible xDrive Steptronic (12 - 14)

€ 113,900
Porsche 911 Targa 4S (08 - 12) Porsche 911 Targa 4S
€ 90,800
 BMW 640d Convertible xDrive Steptronic (12 - 14) BMW 640d Cabrio
€ 113,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 90,800

ⓘ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 18.1 inches shorter, 1.7 inches narrower and 2.6 inches lower than the BMW 640d Cabrio.
Porsche 911 Targa 4S
BMW 640d Cabrio
51.2
Blueprint Porsche 911 Targa 4S (08 - 12)
72.9
80.8
53.7
Blueprint BMW 640d Convertible xDrive Steptronic (12 - 14)
74.6
81.9
72.9 in
Width
74.6 in
80.8 in
Width Incl. Mirrors
81.9 in
51.2 in
Height
53.7 in
Blueprint Porsche 911 Targa 4S (08 - 12)
92.5
174.6
Blueprint BMW 640d Convertible xDrive Steptronic (12 - 14)
112.4
192.7
174.6 in
Length
192.7 in
92.5 in
Wheelbase
112.4 in

Vehicle Weight

Porsche 911 Targa 4S
BMW 640d Cabrio
3560 lb
Curb Weight
4420 lb
4233 lb
Gross Vehicle
Weight
5379 lb
Porsche 911 Targa 4S (08 - 12)
Weight Difference:
860 lb
19.46 %
BMW 640d Convertible xDrive Steptronic (12 - 14)

General

Porsche 911 Targa 4S
BMW 640d Cabrio
997
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 Targa 4S
BMW 640d Cabrio
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW N57
Engine Code
N57-D30
4
Valves
4
6
Cylinders
6
3.8 L / 186 cu in
Displacement
3 L / 147 cu in
380 hp
at 6500 rpm
Power
309 hp
at 4400 rpm
Porsche 911 Targa 4S
380 hp
309 hp
BMW 640d Cabrio
310 lb‑ft
at 4400 rpm
Max. Torque
465 lb‑ft
at 1500 rpm
Porsche 911 Targa 4S
310 lb‑ft
465 lb‑ft
BMW 640d Cabrio

Performance

Porsche 911 Targa 4S
BMW 640d Cabrio
185 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

223 ft
0.000 sec

Porsche 911 Targa 4S

62 mph 62
mph

246 ft
0.000 sec

BMW 640d Cabrio

▶ REPLAY
9.37 lb/hp
Weight-to-Power Ratio
14.3 lb/hp
Porsche 911 Targa 4S
9.37 lb/hp
14.3 lb/hp
BMW 640d Cabrio

Fuel Economy / Emissions

Porsche 911 Targa 4S
BMW 640d Cabrio
Fuel Economy
21 mpg
combined
40 mpg
Porsche 911 Targa 4S
21 mpg
40 mpg
BMW 640d Cabrio
14 mpg
city
33 mpg
31 mpg
highway
No data
Kraftstoffanzeige
17.7 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
378 mi
Range
737 mi
Porsche 911 Targa 4S
378 mi
737 mi
BMW 640d Cabrio
Environmental Impact
208.4 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).
121.3 kWh
Porsche 911 Targa 4S
208.4 kWh
121.3 kWh
BMW 640d Cabrio
Euro 5
Emission Standard
Euro 5
417 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)

Practical Convenience

Porsche 911 Targa 4S
BMW 640d Cabrio
2
Doors
2
4
No. of Seats
4
672 lb
Maximum Payload
959 lb
3 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data