2005 Mercedes-Benz SL vs. 2008 BMW 325
To start off, 2008 BMW 325 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SL would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SL (302 HP @ 2700 RPM) has 113 more horse power than 2008 BMW 325. (189 HP @ 6000 RPM). In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 2008 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 273 kg more than 2008 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2008 BMW 325 will offer significantly more control. 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, 2005 Mercedes-Benz SL (460 Nm @ 2700 RPM) has 215 more torque (in Nm) than 2008 BMW 325. (245 Nm @ 3500 RPM). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 325.
Compare all specifications:
| 2005 Mercedes-Benz SL | 2008 BMW 325 | |
| Make | Mercedes-Benz | BMW |
| Model | SL | 325 |
| Year Released | 2005 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4966 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 302 HP | 189 HP |
| Engine RPM | 2700 RPM | 6000 RPM |
| Torque | 460 Nm | 245 Nm |
| Torque RPM | 2700 RPM | 3500 RPM |
| Engine Bore Size | 97 mm | 84 mm |
| Engine Stroke Size | 84 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Top Speed | 250 km/hour | 234 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 7.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1848 kg | 1575 kg |
| Vehicle Length | 4540 mm | 4480 mm |
| Vehicle Width | 1820 mm | 1750 mm |
| Vehicle Height | 1300 mm | 1440 mm |
| Wheelbase Size | 2570 mm | 2730 mm |
| Fuel Consumption Overall | 12.8 L/100km | 10 L/100km |
| Fuel Tank Capacity | 80 L | 63 L |
