Comparison Mercedes-Benz SL (W113) 280 SL (170 Hp) Automatic & Mercedes-Benz SLK (R171, facelift 2008) SLK 280 V6 (231 Hp) 7G-TRONIC & Audi A4 (B8 8K, facelift 2011) 2.0 TDI (163 Hp) Multitronic
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| Brand: | Mercedes-Benz | Mercedes-Benz | Audi |
| Model: | SL | SLK | A4 |
| Generation: | SL (W113) | SLK (R171, facelift 2008) | A4 (B8 8K, facelift 2011) |
| Engine / modification: | 280 SL (170 Hp) Automatic | SLK 280 V6 (231 Hp) 7G-TRONIC | 2.0 TDI (163 Hp) Multitronic |
| Production start: | 1968 year | 2008 year | 2011 year |
| Production end: | 1971 year | 2009 year | 2015 year |
| Coupe type: | Roadster | Roadster | Sedan |
| Num. of Doors: | 2 | 2 | 4 |
| Num. of seats: | 2 | 2 | 5 |
| Fuel consumption / economy - urban: | 5.7 l/100 km | ||
| Fuel consumption / economy - extra urban: | 4.4 l/100 km | ||
| Fuel consumption / economy - combined: | 11.4 l/100 km | 4.8 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.32 | 0.28 | |
| Fuel tank volume: | 82 l | 70 l | 63 l |
| Emission standard: | Euro 4 | Euro 5 | |
| CO2 emissions: | 127 g/km | ||
| Power: | 170 hp | 231 hp | 163 hp |
| Max power in: | 5750 rpm. | 6000 rpm. | 4200 rpm. |
| Maximum speed: | 195 km/h | 250 , Electronically limited km/h | 218 km/h |
| Acceleration from 0 to 100 km/h: | 9 sec | 6.2 sec | 8.1 sec |
| Torque: | 240 Nm @ 4500 rpm. | 300 Nm @ 2500-5000 rpm. | 380 Nm @ 1750-2500 rpm. |
| Model Engine: | M 130.983 | M 272.942 | CGLD, CNHC |
| Engine position: | Front, longitudinal | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2778 cm3 | 2996 cm3 | 1968 cm3 |
| Engine oil capacity: | 5.5 l | 8 l | 4.7-5 l |
| Coolant: | 12.9 l | 7.1 l | |
| Fuel System: | Diesel Commonrail | ||
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | ||
| Position of cylinders: | Inline | Inline | |
| Valvetrain: | SOHC | DOHC | DOHC |
| Number of cylinders: | 6 | 6 | 4 |
| Number of valves per cylinder: | 2 | 4 | 4 |
| Compression ratio: | 9.5 | 11.3 | 16.5 |
| Piston Stroke: | 78.8 mm | 82.1 mm | 95.5 mm |
| Cylinder Bore: | 86.5 mm | 88 mm | 81 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 4 | 7 | Multitronic |
| Number of Gears (manual transmission): | 6 | ||
| Length: | 4285 mm | 4107 mm | 4701 mm |
| Width: | 1760 mm | 1788 mm | 1826 mm |
| Width including mirrors: | 2005 mm | 2040 mm | |
| Height: | 1320 mm | 1296 mm | 1427 mm |
| Wheelbase: | 2400 mm | 2430 mm | 2808 mm |
| Front track: | 1484 mm | 1564 mm | |
| Rear (Back) track: | 1485 mm | 1551 mm | |
| Ride height(clearance): | 125 mm | ||
| Front overhang: | 862 mm | ||
| Rear overhang: | 1031 mm | ||
| Minimum volume of Luggage (trunk): | 340 l | 208 l | 480 l |
| Maximum amount of Luggage (trunk): | 962 l | ||
| Front suspension: | Multi-link suspension | ||
| Rear suspension: | Helical spring | Independent on trapezoidal lever | |
| Max weight: | 1715 kg | 1770 kg | 2070 kg |
| Front brakes: | Disc | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc | Disc |
| Kerb Weight: | 1360 kg | 1400 kg | 1520 kg |
| ABS: | yes | ||
| Steering type: | Cone worm with recirculation balls | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering | |
| Max. roof load: | 50 kg | 90 kg | |
| Permitted trailer load with brakes (8%): | 1900 kg | ||
| Minimum turning circle (turning diameter): | 10.4 m | 10.51 m | 11.5 m |
| Permitted trailer load with brakes (12%): | 1200 kg | ||
| Permitted trailer load without brakes: | 715 kg | 750 kg | |
| Permitted towbar download: | 80 kg | ||
| Tire size: | 185 HR 14 | Front wheel tires: 205/55 R 16 | 225/55 R16 |
| Wheel rims size: | 6 J x 14 HB | Front wheel rims: 7 J x 16 | 7.5J x 16 |