2008 Mercedes-Benz SL vs. 2004 Porsche 911
To start off, 2008 Mercedes-Benz SL is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 5,439 cc (8 cylinders), 2008 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz SL (511 HP @ 6100 RPM) has 67 more horse power than 2004 Porsche 911. (444 HP @ 5700 RPM). In normal driving conditions, 2008 Mercedes-Benz SL should accelerate faster than 2004 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz SL weights approximately 300 kg more than 2004 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2004 Porsche 911 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, 2008 Mercedes-Benz SL (720 Nm @ 2600 RPM) has 100 more torque (in Nm) than 2004 Porsche 911. (620 Nm @ 3500 RPM). This means 2008 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911. 2008 Mercedes-Benz SL has automatic transmission and 2004 Porsche 911 has manual transmission. 2004 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Mercedes-Benz SL | 2004 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | SL | 911 |
| Year Released | 2008 | 2004 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5439 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 511 HP | 444 HP |
| Engine RPM | 6100 RPM | 5700 RPM |
| Torque | 720 Nm | 620 Nm |
| Torque RPM | 2600 RPM | 3500 RPM |
| Engine Bore Size | 97 mm | 100 mm |
| Engine Stroke Size | 92 mm | 76.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 307 km/hour |
| Acceleration 0-100mph | 4.5 seconds | 4.6 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1960 kg | 1660 kg |
| Vehicle Length | 4540 mm | 4440 mm |
| Vehicle Width | 1830 mm | 1840 mm |
| Vehicle Height | 1300 mm | 1300 mm |
| Wheelbase Size | 2570 mm | 2360 mm |
| Fuel Consumption Overall | 13.5 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 80 L | 64 L |
