The Comparative Analysis :

Porsche 911 Targa 4S (20 - ..) vs. BMW 640i Convertible Automatic (11 - 13)

€ 144,000
Porsche 911 Targa 4S (20 - ..) Porsche 911 Targa 4S
€ 83,900
 BMW 640i Convertible Automatic (11 - 13) BMW 640i Cabrio
€ 144,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,900

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

Vehicle Dimensions

The Porsche 911 Targa 4S is considerably smaller in every dimension. It's 14.8 inches shorter, 1.7 inches narrower and 2.6 inches lower than the BMW 640i Cabrio.
Porsche 911 Targa 4S
BMW 640i Cabrio
51.1
Blueprint Porsche 911 Targa 4S (20 - ..)
72.9
79.7
53.7
Blueprint BMW 640i Convertible Automatic (11 - 13)
74.6
81.9
72.9 in
Width
74.6 in
79.7 in
Width Incl. Mirrors
81.9 in
51.1 in
Height
53.7 in
Blueprint Porsche 911 Targa 4S (20 - ..)
96.5
177.9
Blueprint BMW 640i Convertible Automatic (11 - 13)
112.4
192.7
177.9 in
Length
192.7 in
96.5 in
Wheelbase
112.4 in

Vehicle Weight

Porsche 911 Targa 4S
BMW 640i Cabrio
3781 lb
Curb Weight
4222 lb
4530 lb
Gross Vehicle
Weight
5049 lb
Porsche 911 Targa 4S (20 - ..)
Weight Difference:
441 lb
10.45 %
BMW 640i Convertible Automatic (11 - 13)

General

Porsche 911 Targa 4S
BMW 640i Cabrio
992
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 640i Cabrio
6-cylinder boxer gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine with tur­bo­charger
Engine Series
BMW N55
Engine Code
N55-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
444 hp
at 6500 rpm
Power
316 hp
at 5800 rpm
Porsche 911 Targa 4S
444 hp
316 hp
BMW 640i Cabrio
391 lb‑ft
at 2300 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Porsche 911 Targa 4S
391 lb‑ft
332 lb‑ft
BMW 640i Cabrio

Performance

Porsche 911 Targa 4S
BMW 640i Cabrio
189 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph 62
mph

200 ft
0.000 sec

Porsche 911 Targa 4S

62 mph 62
mph

259 ft
0.000 sec

BMW 640i Cabrio

▶ REPLAY
8.52 lb/hp
Weight-to-Power Ratio
13.36 lb/hp
Porsche 911 Targa 4S
8.52 lb/hp
13.36 lb/hp
BMW 640i Cabrio

Fuel Economy / Emissions

Porsche 911 Targa 4S
BMW 640i Cabrio
Fuel Economy
23 mpg
combined
30 mpg
Porsche 911 Targa 4S
23 mpg
30 mpg
BMW 640i Cabrio
16 mpg
city
22 mpg
31 mpg
highway
No data
Kraftstoffanzeige
17.7 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
404 mi
Range
557 mi
Porsche 911 Targa 4S
404 mi
557 mi
BMW 640i Cabrio
Environmental Impact
195.2 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).
147.7 kWh
Porsche 911 Targa 4S
195.2 kWh
147.7 kWh
BMW 640i Cabrio
Euro 6d-ISC-FCM (WLTP) 36AP-AR
Emission Standard
Euro 5
380 g/mi (WLTP)
CO2 Emissions
291 g/mi (NEFZ)

Practical Convenience

Porsche 911 Targa 4S
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
750 lb
Maximum Payload
827 lb
3.7 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data