The Comparative Analysis :
Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18) vs. Mercedes AMG GT R Roadster SPEEDSHIFT DCT (19 - ..)
€ 240,200
€ 209,000
€ 240,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 209,000
ⓘ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 65 AMG is 3.2 inches longer, 2.4 inches narrower and 1.6 inches taller than the AMG GT R Roadster.
SL 65 AMG
AMG GT R 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 65 AMG
AMG GT R Roadster
4299 lb
Curb Weight
3715 lb
4872 lb
Gross Vehicle
Weight
Weight
4277 lb
Weight Difference:
584 lb
13.58 %
General
SL 65 AMG
AMG GT R 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 65 AMG
AMG GT R Roadster
V12 gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Mercedes-Benz M 279
Engine Series
Mercedes-Benz M 178
M 279.981
Engine Code
M 178.980


4
Valves
4
12
Cylinders
8
6 L / 294 cu in
Displacement
4 L / 196 cu in
621 hp
at 4800 rpm
Power
577 hp
at 6250 rpm
SL 65 AMG
621 hp
577 hp
AMG GT R Roadster
738 lb‑ft
at 2300 rpm
Max. Torque
516 lb‑ft
at 2100 rpm
SL 65 AMG
738 lb‑ft
516 lb‑ft
AMG GT R Roadster
Performance
SL 65 AMG
AMG GT R Roadster
155 mph
Maximum Speed
197 mph
4 sec
Acceleration 0 to 62 mph
3.6 sec
62 mph
62
mph
mph
184 ft
0.000 sec
SL 65 AMG
62 mph
62
mph
mph
164 ft
0.000 sec
AMG GT R Roadster
▶ REPLAY
6.92 lb/hp
Weight-to-Power Ratio
6.44 lb/hp
SL 65 AMG
6.92 lb/hp
6.44 lb/hp
AMG GT R Roadster
Fuel Economy / Emissions
SL 65 AMG
AMG GT R Roadster
Fuel Economy
20 mpg
combined
19 mpg
SL 65 AMG
20 mpg
19 mpg
AMG GT R Roadster
14 mpg
city
14 mpg
27 mpg
highway
24 mpg
19.8 gal
Fuel Tank Capacity
17.2 gal
391 mi
Range
323 mi
SL 65 AMG
391 mi
323 mi
AMG GT R Roadster
Environmental Impact
225.5 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 65 AMG
225.5 kWh
236.9 kWh
AMG GT R Roadster
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP
449 g/mi (NEFZ)
CO2 Emissions
468 g/mi (WLTP)
Practical Convenience
SL 65 AMG
AMG GT R Roadster
2
Doors
2
2
No. of Seats
2
573 lb
Maximum Payload
562 lb
14.3 cu ft
Trunk Volume
4.7 cu ft






No data
Cargo Volume (Seats Down)
No data














