The Comparative Analysis :
Mercedes SL 63 AMG SPEEDSHIFT MCT (15 - 16) vs. Mercedes AMG GT C Roadster SPEEDSHIFT DCT (18 - ..)
€ 161,500

€ 164,200

€ 161,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 164,200
ⓘ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 SL 63 AMG is 3.2 inches longer, 2.4 inches narrower and 1.6 inches taller than the AMG GT C Roadster.
SL 63 AMG
AMG GT C Roadster
51.2
73.9
82.6
49.6
76.3
81.7
73.9 in
Width
76.3 in
82.6 in
Width Incl. Mirrors
81.7 in
51.2 in
Height
49.6 in
101.8
182.4
103.5
179.2
182.4 in
Length
179.2 in
101.8 in
Wheelbase
103.5 in
Vehicle Weight
SL 63 AMG
AMG GT C Roadster
4068 lb
Curb Weight
3825 lb
4806 lb
Gross Vehicle
Weight
Weight
4277 lb

Weight Difference:
243 lb
5.97 %

General
SL 63 AMG
AMG GT C Roadster
R231
Generation
C190
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
SL 63 AMG
AMG GT C Roadster
V8 gasoline engine with turbocharger
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Mercedes-Benz M 157
Engine Series
Mercedes-Benz M 178
M 157.983
Engine Code
M 178.980


4
Valves
4
8
Cylinders
8
5.5 L / 269 cu in
Displacement
4 L / 196 cu in
577 hp
at 5500 rpm
Power
549 hp
at 5750 rpm
SL 63 AMG
577 hp
549 hp
AMG GT C Roadster
664 lb‑ft
at 2250 rpm
Max. Torque
502 lb‑ft
at 2100 rpm
SL 63 AMG
664 lb‑ft
502 lb‑ft
AMG GT C Roadster
Performance
SL 63 AMG
AMG GT C Roadster
155 mph
Maximum Speed
196 mph
4.2 sec
Acceleration 0 to 62 mph
3.7 sec
62 mph
62
mph
mph
190 ft
0.000 sec

SL 63 AMG
62 mph
62
mph
mph
167 ft
0.000 sec

AMG GT C Roadster
▶ REPLAY
7.05 lb/hp
Weight-to-Power Ratio
6.97 lb/hp
SL 63 AMG
7.05 lb/hp
6.97 lb/hp
AMG GT C Roadster
Fuel Economy / Emissions
SL 63 AMG
AMG GT C Roadster
Fuel Economy
24 mpg
combined
19 mpg
SL 63 AMG
24 mpg
19 mpg
AMG GT C Roadster
17 mpg
city
16 mpg
31 mpg
highway
21 mpg
19.8 gal
Fuel Tank Capacity
17.2 gal
475 mi
Range
323 mi
SL 63 AMG
475 mi
323 mi
AMG GT C Roadster
Environmental Impact
185.7 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).
236.9 kWh
SL 63 AMG
185.7 kWh
236.9 kWh
AMG GT C Roadster
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP
369 g/mi (NEFZ)
CO2 Emissions
470 g/mi (WLTP)
Practical Convenience
SL 63 AMG
AMG GT C Roadster
2
Doors
2
2
No. of Seats
2
739 lb
Maximum Payload
452 lb
14.3 cu ft
Trunk Volume
4.7 cu ft






No data
Cargo Volume (Seats Down)
No data