The Comparative Analysis :
Mercedes SLK 350 7G-TRONIC (04 - 08) vs. Alfa Romeo Spider 2.4 JTDM 20V Q-Tronic (08 - 10)
€ 48,500

€ 40,500

€ 48,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 40,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes SLK 350 is considerably smaller in every dimension. It's 30.4 cm shorter, 4.2 cm narrower and 2 cm lower than the Alfa Romeo Spider 2.4 JTDM 20V.
Mercedes SLK 350
Alfa Romeo Spider 2.4 JTDM 20V
1298
1788
1970
1318
1830
2035
1788 mm
Width
1830 mm
1970 mm
Width Incl. Mirrors
2035 mm
1298 mm
Height
1318 mm
2430
4089
2528
4393
4089 mm
Length
4393 mm
2430 mm
Wheelbase
2528 mm
Vehicle Weight
Mercedes SLK 350
Alfa Romeo Spider 2.4 JTDM 20V
1485 kg
Kerb Weight
1730 kg
1780 kg
Gross Vehicle
Weight
Weight
2005 kg

Weight Difference:
245 kg
14.16 %

General
Mercedes SLK 350
Alfa Romeo Spider 2.4 JTDM 20V
R171
Generation
Typ 939
Roadster
Car Body Style
Roadster
Unleaded (95 RON)
Fuel Type
Diesel

Rear-wheel drive
Drive
Front-wheel drive

7-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
Mercedes SLK 350
Alfa Romeo Spider 2.4 JTDM 20V
V6 petrol engine (naturally aspirated engine)
Engine Type
Straight-five diesel engine with turbocharger
Mercedes-Benz M 272
Engine Series
M 272.963
Engine Code
939 A3.000

4
Valves
4
6
Cylinders
5
3498 CC
Engine Capacity
2387 CC
268 bhp
at 6000 rpm
Power
197 bhp
at 4000 rpm
Mercedes SLK 350
268 bhp
197 bhp
Alfa Romeo Spider 2.4 JTDM 20V
350 NM
at 3500 rpm
Max. Torque
400 NM
at 2000 rpm
Mercedes SLK 350
350 NM
400 NM
Alfa Romeo Spider 2.4 JTDM 20V
Performance
Mercedes SLK 350
Alfa Romeo Spider 2.4 JTDM 20V
155 mph
Maximum Speed
140 mph
5.5 sec
Acceleration 0 to 62 mph
8.5 sec
62 mph
62
mph
mph
76 m
0.000 sec

Mercedes SLK 350
62 mph
62
mph
mph
118 m
0.000 sec

Alfa Romeo Spider 2.4 JTDM 20V
▶ REPLAY
5.54 kg/bhp
Weight-to-Power Ratio
8.78 kg/bhp
Mercedes SLK 350
5.54 kg/bhp
8.78 kg/bhp
Alfa Romeo Spider 2.4 JTDM 20V
Fuel Economy / Emissions
Mercedes SLK 350
Alfa Romeo Spider 2.4 JTDM 20V
Fuel Economy
28 mpg
combined
36 mpg
Mercedes SLK 350
28 mpg
36 mpg
Alfa Romeo Spider 2.4 JTDM 20V
20 mpg
city
25 mpg
36 mpg
motorway
No data
70 L
Fuel Tank Capacity
70 L
431 mi
Range
551 mi
Mercedes SLK 350
431 mi
551 mi
Alfa Romeo Spider 2.4 JTDM 20V
Environmental Impact
191.4 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).
162.5 kWh
Mercedes SLK 350
191.4 kWh
162.5 kWh
Alfa Romeo Spider 2.4 JTDM 20V
Euro 4
Emission Standard
Euro 4
242 g/km (NEFZ)
CO2 Emissions
208 g/km (NEFZ)
Practical Convenience
Mercedes SLK 350
Alfa Romeo Spider 2.4 JTDM 20V
2
Doors
2
2
No. of Seats
2
295 kg
Maximum Payload
275 kg
300 L
Boot Capacity
253 L






No data
Boot Capacity (Seats Down)
No data