The Comparative Analysis :

Mercedes SL 63 AMG SPEEDSHIFT MCT (18 - 19) vs. Alfa Romeo 8C Spider (08 - 10)

€ 163,000
Mercedes SL 63 AMG SPEEDSHIFT MCT (18 - 19) Mercedes SL 63 AMG
€ 211,300
 Alfa Romeo 8C Spider (08 - 10) Alfa Romeo 8C Spider
€ 163,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 211,300

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ considerably. The Mercedes SL 63 AMG is 9.9 inches longer, 0.7 inches narrower and 0.3 inches lower than the Alfa Romeo 8C Spider.
Mercedes SL 63 AMG
Alfa Romeo 8C Spider
51.2
Blueprint Mercedes SL 63 AMG SPEEDSHIFT MCT (18 - 19)
73.9
82.6
51.5
Blueprint Alfa Romeo 8C Spider (08 - 10)
74.6
82.4
73.9 in
Width
74.6 in
82.6 in
Width Incl. Mirrors
82.4 in
51.2 in
Height
51.5 in
Blueprint Mercedes SL 63 AMG SPEEDSHIFT MCT (18 - 19)
101.8
182.4
Blueprint Alfa Romeo 8C Spider (08 - 10)
104.1
172.5
182.4 in
Length
172.5 in
101.8 in
Wheelbase
104.1 in

Vehicle Weight

Mercedes SL 63 AMG
Alfa Romeo 8C Spider
4068 lb
Curb Weight
3858 lb
4806 lb
Gross Vehicle
Weight
4090 lb
Mercedes SL 63 AMG SPEEDSHIFT MCT (18 - 19)
Weight Difference:
209 lb
5.14 %
Alfa Romeo 8C Spider (08 - 10)

General

Mercedes SL 63 AMG
Alfa Romeo 8C Spider
R231
Generation
Typ 920
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
6-speed automated manual transmission (AMT)

Engine

Mercedes SL 63 AMG
Alfa Romeo 8C Spider
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz M 157
Engine Series
M 157.983
Engine Code
AR 8C
4
Valves
4
8
Cylinders
8
5.5 L / 269 cu in
Displacement
4.7 L / 230 cu in
563 hp
at 5500 rpm
Power
444 hp
at 7000 rpm
Mercedes SL 63 AMG
563 hp
444 hp
Alfa Romeo 8C Spider
664 lb‑ft
at 2250 rpm
Max. Torque
354 lb‑ft
at 4750 rpm
Mercedes SL 63 AMG
664 lb‑ft
354 lb‑ft
Alfa Romeo 8C Spider

Performance

Mercedes SL 63 AMG
Alfa Romeo 8C Spider
155 mph
Maximum Speed
181 mph
4.1 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

187 ft
0.000 sec

Mercedes SL 63 AMG

62 mph 62
mph

207 ft
0.000 sec

Alfa Romeo 8C Spider

▶ REPLAY
7.23 lb/hp
Weight-to-Power Ratio
8.69 lb/hp
Mercedes SL 63 AMG
7.23 lb/hp
8.69 lb/hp
Alfa Romeo 8C Spider

Fuel Economy / Emissions

Mercedes SL 63 AMG
Alfa Romeo 8C Spider
Fuel Economy
20 mpg
combined
15 mpg
Mercedes SL 63 AMG
20 mpg
15 mpg
Alfa Romeo 8C Spider
16 mpg
city
No data
24 mpg
highway
No data
Kraftstoffanzeige
19.8 gal
Fuel Tank Capacity
23.2 gal
Kraftstoffanzeige
398 mi
Range
346 mi
Mercedes SL 63 AMG
398 mi
346 mi
Alfa Romeo 8C Spider
Environmental Impact
221.6 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).
299.3 kWh
Mercedes SL 63 AMG
221.6 kWh
299.3 kWh
Alfa Romeo 8C Spider
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 5
441 g/mi (WLTP)
CO2 Emissions
607 g/mi (NEFZ)

Practical Convenience

Mercedes SL 63 AMG
Alfa Romeo 8C Spider
2
Doors
2
2
No. of Seats
2
739 lb
Maximum Payload
231 lb
14.3 cu ft
Trunk Volume
1.1 cu ft
No data
Cargo Volume (Seats Down)
No data