2005 BMW 325 vs. 2006 Mercedes-Benz SL
To start off, 2006 Mercedes-Benz SL is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 would be higher. At 5,441 cc (8 cylinders), 2006 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz SL (494 HP @ 6100 RPM) has 313 more horse power than 2005 BMW 325. (181 HP @ 7400 RPM) In normal driving conditions, 2006 Mercedes-Benz SL should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz SL weights approximately 335 kg more than 2005 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Mercedes-Benz SL (700 Nm) has 463 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 2006 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 2006 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 325 | SL |
| Year Released | 2005 | 2006 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 5441 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 181 HP | 494 HP |
| Engine RPM | 7400 RPM | 6100 RPM |
| Torque | 237 Nm | 700 Nm |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 75 mm | 92 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1785 kg |
| Vehicle Length | 4490 mm | 4540 mm |
| Vehicle Width | 1760 mm | 1820 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2730 mm | 2570 mm |
| Fuel Consumption | 8 L/100km | 11.8 L/100km |
| Fuel Consumption City | 11.9 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 10.4 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
