The Comparative Analysis :
Mercedes AMG GT C Roadster SPEEDSHIFT DCT (17 - 18) vs. Porsche 911 Speedster (19 - ..)
€ 161,400

€ 269,300

€ 161,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 269,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Mercedes AMG GT C Roadster is 0.4 inches shorter, 3.4 inches wider and 0.4 inches taller than the Porsche 911 Speedster.
Mercedes AMG GT C Roadster
Porsche 911 Speedster
49.6
76.3
81.7
49.2
72.9
77.9
76.3 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
77.9 in
49.6 in
Height
49.2 in
103.5
179.2
96.7
179.6
179.2 in
Length
179.6 in
103.5 in
Wheelbase
96.7 in
Vehicle Weight
Mercedes AMG GT C Roadster
Porsche 911 Speedster
3825 lb
Curb Weight
3395 lb
4277 lb
Gross Vehicle
Weight
Weight
3953 lb

Weight Difference:
430 lb
11.24 %

General
Mercedes AMG GT C Roadster
Porsche 911 Speedster
C190
Generation
991
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
6-speed manual transmission
Engine
Mercedes AMG GT C Roadster
Porsche 911 Speedster
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz M 178
Engine Series
M 178.980
Engine Code

4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
4 L / 196 cu in
549 hp
at 5750 rpm
Power
503 hp
at 8400 rpm
Mercedes AMG GT C Roadster
549 hp
503 hp
Porsche 911 Speedster
502 lb‑ft
at 1900 rpm
Max. Torque
347 lb‑ft
at 6250 rpm
Mercedes AMG GT C Roadster
502 lb‑ft
347 lb‑ft
Porsche 911 Speedster
Performance
Mercedes AMG GT C Roadster
Porsche 911 Speedster
196 mph
Maximum Speed
193 mph
3.7 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
167 ft
0.000 sec

Mercedes AMG GT C Roadster
62 mph
62
mph
mph
184 ft
0.000 sec

Porsche 911 Speedster
▶ REPLAY
6.97 lb/hp
Weight-to-Power Ratio
6.75 lb/hp
Mercedes AMG GT C Roadster
6.97 lb/hp
6.75 lb/hp
Porsche 911 Speedster
Fuel Economy / Emissions
Mercedes AMG GT C Roadster
Porsche 911 Speedster
Fuel Economy
21 mpg
combined
17 mpg
Mercedes AMG GT C Roadster
21 mpg
17 mpg
Porsche 911 Speedster
16 mpg
city
11 mpg
26 mpg
highway
24 mpg
17.2 gal
Fuel Tank Capacity
16.9 gal
354 mi
Range
288 mi
Mercedes AMG GT C Roadster
354 mi
288 mi
Porsche 911 Speedster
Environmental Impact
216 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).
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).
261.5 kWh
Mercedes AMG GT C Roadster
216 kWh
261.5 kWh
Porsche 911 Speedster
Euro 6
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
417 g/mi (NEFZ)
CO2 Emissions
499 g/mi (WLTP)
Practical Convenience
Mercedes AMG GT C Roadster
Porsche 911 Speedster
2
Doors
2
2
No. of Seats
2
452 lb
Maximum Payload
558 lb
4.7 cu ft
Trunk Volume
3.5 cu ft



No data
Cargo Volume (Seats Down)
No data