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 279 more horse power than 2005 BMW 325. (215 HP @ 6500 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 291 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.
Let's talk about torque, 2006 Mercedes-Benz SL (700 Nm @ 2750 RPM) has 450 more torque (in Nm) than 2005 BMW 325. (250 Nm @ 2750 RPM). 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 | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5441 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 215 HP | 494 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 250 Nm | 700 Nm |
| Torque RPM | 2750 RPM | 2750 RPM |
| Engine Bore Size | 82 mm | 97 mm |
| Engine Stroke Size | 78.8 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1494 kg | 1785 kg |
| Vehicle Length | 4480 mm | 4540 mm |
| Vehicle Width | 1820 mm | 1820 mm |
| Vehicle Height | 1440 mm | 1300 mm |
| Wheelbase Size | 2730 mm | 2570 mm |
| Fuel Tank Capacity | 63 L | 80 L |
