The Comparative Analysis :
Mercedes AMG GT 4-door Coupé 63 4MATIC+ SPEEDSHIFT MCT 9G (18 - ..) vs. Porsche 911 GT3 RS (10 - 11)
€ 150,100

€ 150,200

€ 150,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 150,200
ⓘ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 is significantly bigger in every dimension. It's 23.4 inches longer, 3.4 inches wider and 6.4 inches taller than the Porsche 911 GT3 RS.
Mercedes AMG GT 4-door Coupé 63
Porsche 911 GT3 RS
56.8
76.3
81.7
50.4
72.9
80.8
76.3 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
80.8 in
56.8 in
Height
50.4 in
116.2
199
92.7
175.6
199 in
Length
175.6 in
116.2 in
Wheelbase
92.7 in
Vehicle Weight
Mercedes AMG GT 4-door Coupé 63
Porsche 911 GT3 RS
4630 lb
Curb Weight
3186 lb
5622 lb
Gross Vehicle
Weight
Weight
3704 lb

Weight Difference:
1444 lb
31.19 %

General
Mercedes AMG GT 4-door Coupé 63
Porsche 911 GT3 RS
X290
Generation
997
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
6-speed manual transmission
Engine
Mercedes AMG GT 4-door Coupé 63
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
3.8 L / 186 cu in
577 hp
at 5500 rpm
Power
444 hp
at 7900 rpm
Mercedes AMG GT 4-door Coupé 63
577 hp
444 hp
Porsche 911 GT3 RS
590 lb‑ft
at 2350 rpm
Max. Torque
317 lb‑ft
at 6750 rpm
Mercedes AMG GT 4-door Coupé 63
590 lb‑ft
317 lb‑ft
Porsche 911 GT3 RS
Performance
Mercedes AMG GT 4-door Coupé 63
Porsche 911 GT3 RS
193 mph
Maximum Speed
193 mph
3.4 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
154 ft
0.000 sec

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

Porsche 911 GT3 RS
▶ REPLAY
8.02 lb/hp
Weight-to-Power Ratio
7.18 lb/hp
Mercedes AMG GT 4-door Coupé 63
8.02 lb/hp
7.18 lb/hp
Porsche 911 GT3 RS
Fuel Economy / Emissions
Mercedes AMG GT 4-door Coupé 63
Porsche 911 GT3 RS
Fuel Economy
21 mpg
combined
18 mpg
Mercedes AMG GT 4-door Coupé 63
21 mpg
18 mpg
Porsche 911 GT3 RS
16 mpg
city
12 mpg
27 mpg
highway
25 mpg
17.4 gal
Fuel Tank Capacity
17.7 gal
370 mi
Range
316 mi
Mercedes AMG GT 4-door Coupé 63
370 mi
316 mi
Porsche 911 GT3 RS
Environmental Impact
210.3 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).
250.1 kWh
Mercedes AMG GT 4-door Coupé 63
210.3 kWh
250.1 kWh
Porsche 911 GT3 RS
Euro 6d-TEMP
Emission Standard
Euro 5
455 g/mi (WLTP)
CO2 Emissions
505 g/mi (NEFZ)
Practical Convenience
Mercedes AMG GT 4-door Coupé 63
Porsche 911 GT3 RS
5
Doors
2
4
No. of Seats
4
992 lb
Maximum Payload
518 lb
11.2 cu ft
Trunk Volume
3 cu ft






37.5 cu ft
Cargo Volume (Seats Down)
No data