2005 BMW M3 vs. 2013 Mercedes-Benz SLK
To start off, 2013 Mercedes-Benz SLK is newer by 8 year(s). Which means there will be less support and parts availability for 2005 BMW M3. In addition, the cost of maintenance, including insurance, on 2005 BMW M3 would be higher. At 5,500 cc (8 cylinders), 2013 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz SLK (409 HP @ 6800 RPM) has 89 more horse power than 2005 BMW M3. (320 HP @ 7400 RPM) In normal driving conditions, 2013 Mercedes-Benz SLK should accelerate faster than 2005 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M3 weights approximately 80 kg more than 2013 Mercedes-Benz SLK.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2013 Mercedes-Benz SLK (540 Nm) has 203 more torque (in Nm) than 2005 BMW M3. (337 Nm). This means 2013 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW M3.
Compare all specifications:
| 2005 BMW M3 | 2013 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | M3 | SLK |
| Year Released | 2005 | 2013 |
| Body Type | Convertible | Roadster |
| Engine Position | Front | Middle |
| Engine Size | 3244 cc | 5500 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 8 valves |
| Horse Power | 320 HP | 409 HP |
| Engine RPM | 7400 RPM | 6800 RPM |
| Torque | 337 Nm | 540 Nm |
| Engine Bore Size | 87 mm | 98 mm |
| Engine Stroke Size | 91 mm | 90 mm |
| Engine Compression Ratio | 11.5:1 | 12.6:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1690 kg | 1610 kg |
| Vehicle Length | 4500 mm | 4146 mm |
| Vehicle Width | 1790 mm | 2006 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2740 mm | 2430 mm |
| Fuel Consumption Highway | 10.2 L/100km | 6.2 L/100km |
| Fuel Consumption City | 14.7 L/100km | 12 L/100km |
