2007 BMW 325 vs. 2005 Mercedes-Benz SL
To start off, 2007 BMW 325 is newer by 2 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 @ 4200 RPM) has 87 more horse power than 2007 BMW 325. (215 HP @ 5600 RPM) In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 2007 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 424 kg more than 2007 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, 2005 Mercedes-Benz SL (470 Nm) has 220 more torque (in Nm) than 2007 BMW 325. (250 Nm). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 325.
Compare all specifications:
| 2007 BMW 325 | 2005 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 325 | SL |
| Year Released | 2007 | 2005 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 215 HP | 302 HP |
| Engine RPM | 5600 RPM | 4200 RPM |
| Torque | 250 Nm | 470 Nm |
| Engine Bore Size | 78.8 mm | 97 mm |
| Engine Stroke Size | 82 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1420 kg | 1844 kg |
| Vehicle Length | 4590 mm | 4540 mm |
| Vehicle Width | 1400 mm | 1820 mm |
| Vehicle Height | 1790 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2570 mm |
| Fuel Consumption Overall | 11.9 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
