The Comparative Analysis :

Porsche 911 Targa 4 GTS (15 - 15) vs. BMW 840i Convertible Steptronic (19 - ..)

€ 137,400
Porsche 911 Targa 4 GTS (15 - 15) Porsche 911 Targa 4 GTS
€ 102,500
 BMW 840i Convertible Steptronic (19 - ..) BMW 840i Cabrio
€ 137,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 102,500

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

Vehicle Dimensions

The Porsche 911 Targa 4 GTS is considerably smaller in every dimension. It's 13.1 inches shorter, 2 inches narrower and 1.9 inches lower than the BMW 840i Cabrio.
Porsche 911 Targa 4 GTS
BMW 840i Cabrio
50.8
Blueprint Porsche 911 Targa 4 GTS (15 - 15)
72.9
77.9
52.7
Blueprint BMW 840i Convertible Steptronic (19 - ..)
74.9
84.1
72.9 in
Width
74.9 in
77.9 in
Width Incl. Mirrors
84.1 in
50.8 in
Height
52.7 in
Blueprint Porsche 911 Targa 4 GTS (15 - 15)
96.5
177.5
Blueprint BMW 840i Convertible Steptronic (19 - ..)
111.1
190.7
177.5 in
Length
190.7 in
96.5 in
Wheelbase
111.1 in

Vehicle Weight

Porsche 911 Targa 4 GTS
BMW 840i Cabrio
3605 lb
Curb Weight
4200 lb
4321 lb
Gross Vehicle
Weight
5159 lb
Porsche 911 Targa 4 GTS (15 - 15)
Weight Difference:
595 lb
14.17 %
BMW 840i Convertible Steptronic (19 - ..)

General

Porsche 911 Targa 4 GTS
BMW 840i Cabrio
991
Generation
G14
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 4 GTS
BMW 840i Cabrio
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six gasoline engine with tur­bo­charger
Engine Series
BMW B58
Engine Code
B58-B30
4
Valves
4
6
Cylinders
6
3.8 L / 186 cu in
Displacement
3 L / 147 cu in
424 hp
at 7500 rpm
Power
335 hp
at 5000 rpm
Porsche 911 Targa 4 GTS
424 hp
335 hp
BMW 840i Cabrio
325 lb‑ft
at 5750 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Porsche 911 Targa 4 GTS
325 lb‑ft
369 lb‑ft
BMW 840i Cabrio

Performance

Porsche 911 Targa 4 GTS
BMW 840i Cabrio
188 mph
Maximum Speed
155 mph
4.7 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph 62
mph

213 ft
0.000 sec

Porsche 911 Targa 4 GTS

62 mph 62
mph

243 ft
0.000 sec

BMW 840i Cabrio

▶ REPLAY
8.5 lb/hp
Weight-to-Power Ratio
12.54 lb/hp
Porsche 911 Targa 4 GTS
8.5 lb/hp
12.54 lb/hp
BMW 840i Cabrio

Fuel Economy / Emissions

Porsche 911 Targa 4 GTS
BMW 840i Cabrio
Fuel Economy
24 mpg
combined
32 mpg
Porsche 911 Targa 4 GTS
24 mpg
32 mpg
BMW 840i Cabrio
17 mpg
city
26 mpg
31 mpg
highway
No data
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
423 mi
Range
571 mi
Porsche 911 Targa 4 GTS
423 mi
571 mi
BMW 840i 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).
140.2 kWh
Porsche 911 Targa 4 GTS
189.4 kWh
140.2 kWh
BMW 840i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
381 g/mi (NEFZ)
CO2 Emissions
311 g/mi (WLTP)

Practical Convenience

Porsche 911 Targa 4 GTS
BMW 840i Cabrio
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
959 lb
3.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data