The Comparative Analysis :
Mercedes SLK 280 7G-TRONIC (08 - 11) vs. Alfa Romeo Spider 3.2 JTS V6 24V (08 - 10)
€ 44,900

€ 41,300

€ 44,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 41,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes SLK 280 is considerably smaller in every dimension. It's 11.3 inches shorter, 1.7 inches narrower and 0.9 inches lower than the Alfa Romeo Spider 3.2 JTS V6 24V.
Mercedes SLK 280
Alfa Romeo Spider 3.2 JTS V6 24V
51
70.4
78.9
51.9
72
80.1
70.4 in
Width
72 in
78.9 in
Width Incl. Mirrors
80.1 in
51 in
Height
51.9 in
95.7
161.7
99.5
173
161.7 in
Length
173 in
95.7 in
Wheelbase
99.5 in
Vehicle Weight
Mercedes SLK 280
Alfa Romeo Spider 3.2 JTS V6 24V
3219 lb
Curb Weight
3693 lb
3869 lb
Gross Vehicle
Weight
Weight
4299 lb

Weight Difference:
474 lb
12.84 %

General
Mercedes SLK 280
Alfa Romeo Spider 3.2 JTS V6 24V
R171
Generation
Typ 939
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Front-wheel drive

7-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes SLK 280
Alfa Romeo Spider 3.2 JTS V6 24V
V6 gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine (naturally aspirated engine)
Mercedes-Benz M 272
Engine Series
M 272.942
Engine Code
939 A.000

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.2 L / 157 cu in
228 hp
at 6000 rpm
Power
256 hp
at 6300 rpm
Mercedes SLK 280
228 hp
256 hp
Alfa Romeo Spider 3.2 JTS V6 24V
221 lb‑ft
at 2500 rpm
Max. Torque
237 lb‑ft
at 4500 rpm
Mercedes SLK 280
221 lb‑ft
237 lb‑ft
Alfa Romeo Spider 3.2 JTS V6 24V
Performance
Mercedes SLK 280
Alfa Romeo Spider 3.2 JTS V6 24V
155 mph
Maximum Speed
155 mph
6.2 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph
62
mph
mph
282 ft
0.000 sec

Mercedes SLK 280
62 mph
62
mph
mph
328 ft
0.000 sec

Alfa Romeo Spider 3.2 JTS V6 24V
▶ REPLAY
14.12 lb/hp
Weight-to-Power Ratio
14.43 lb/hp
Mercedes SLK 280
14.12 lb/hp
14.43 lb/hp
Alfa Romeo Spider 3.2 JTS V6 24V
Fuel Economy / Emissions
Mercedes SLK 280
Alfa Romeo Spider 3.2 JTS V6 24V
Fuel Economy
26 mpg
combined
21 mpg
Mercedes SLK 280
26 mpg
21 mpg
Alfa Romeo Spider 3.2 JTS V6 24V
18 mpg
city
14 mpg
35 mpg
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
478 mi
Range
392 mi
Mercedes SLK 280
478 mi
392 mi
Alfa Romeo Spider 3.2 JTS V6 24V
Environmental Impact
172.4 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).
210.3 kWh
Mercedes SLK 280
172.4 kWh
210.3 kWh
Alfa Romeo Spider 3.2 JTS V6 24V
Euro 4 / Euro 5
Emission Standard
Euro 4
348 g/mi (NEFZ)
CO2 Emissions
422 g/mi (NEFZ)
Practical Convenience
Mercedes SLK 280
Alfa Romeo Spider 3.2 JTS V6 24V
2
Doors
2
2
No. of Seats
2
650 lb
Maximum Payload
606 lb
8.5 cu ft
Trunk Volume
7.2 cu ft






No data
Cargo Volume (Seats Down)
No data