The Comparative Analysis :
Mercedes AMG GT 4-door Coupé 63 S 4MATIC+ SPEEDSHIFT MCT 9G (18 - ..) vs. Porsche 911 GT3 RS PDK (15 - 17)
€ 167,000

€ 181,700

€ 167,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 181,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes AMG GT 4-door Coupé 63 S is significantly bigger in every dimension. It's 20 inches longer, 2.3 inches wider and 5.9 inches taller than the Porsche 911 GT3 RS.
Mercedes AMG GT 4-door Coupé 63 S
Porsche 911 GT3 RS
56.8
76.3
81.7
50.8
74
77.9
76.3 in
Width
74 in
81.7 in
Width Incl. Mirrors
77.9 in
56.8 in
Height
50.8 in
116.2
199
96.7
178.9
199 in
Length
178.9 in
116.2 in
Wheelbase
96.7 in
Vehicle Weight
Mercedes AMG GT 4-door Coupé 63 S
Porsche 911 GT3 RS
4674 lb
Curb Weight
3296 lb
5644 lb
Gross Vehicle
Weight
Weight
3792 lb

Weight Difference:
1378 lb
29.48 %

General
Mercedes AMG GT 4-door Coupé 63 S
Porsche 911 GT3 RS
X290
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

9-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes AMG GT 4-door Coupé 63 S
Porsche 911 GT3 RS
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz M 177
Engine Series
M 177.980
Engine Code

4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
4 L / 196 cu in
630 hp
at 5500 rpm
Power
493 hp
at 8250 rpm
Mercedes AMG GT 4-door Coupé 63 S
630 hp
493 hp
Porsche 911 GT3 RS
664 lb‑ft
at 2500 rpm
Max. Torque
339 lb‑ft
at 6250 rpm
Mercedes AMG GT 4-door Coupé 63 S
664 lb‑ft
339 lb‑ft
Porsche 911 GT3 RS
Performance
Mercedes AMG GT 4-door Coupé 63 S
Porsche 911 GT3 RS
196 mph
Maximum Speed
193 mph
3.2 sec
Acceleration 0 to 62 mph
3.3 sec
62 mph
62
mph
mph
144 ft
0.000 sec

Mercedes AMG GT 4-door Coupé 63 S
62 mph
62
mph
mph
151 ft
0.000 sec

Porsche 911 GT3 RS
▶ REPLAY
7.42 lb/hp
Weight-to-Power Ratio
6.69 lb/hp
Mercedes AMG GT 4-door Coupé 63 S
7.42 lb/hp
6.69 lb/hp
Porsche 911 GT3 RS
Fuel Economy / Emissions
Mercedes AMG GT 4-door Coupé 63 S
Porsche 911 GT3 RS
Fuel Economy
21 mpg
combined
19 mpg
Mercedes AMG GT 4-door Coupé 63 S
21 mpg
19 mpg
Porsche 911 GT3 RS
15 mpg
city
12 mpg
26 mpg
highway
26 mpg
21.1 gal
Fuel Tank Capacity
16.9 gal
440 mi
Range
313 mi
Mercedes AMG GT 4-door Coupé 63 S
440 mi
313 mi
Porsche 911 GT3 RS
Environmental Impact
214 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).
240.6 kWh
Mercedes AMG GT 4-door Coupé 63 S
214 kWh
240.6 kWh
Porsche 911 GT3 RS
Euro 6d-TEMP
Emission Standard
Euro 6b (NEFZ)
468 g/mi (WLTP)
CO2 Emissions
476 g/mi (NEFZ)
Practical Convenience
Mercedes AMG GT 4-door Coupé 63 S
Porsche 911 GT3 RS
5
Doors
2
4
No. of Seats
4
970 lb
Maximum Payload
496 lb
11.2 cu ft
Trunk Volume
3.5 cu ft





37.5 cu ft
Cargo Volume (Seats Down)
No data