2010 Mercedes-Benz SL vs. 2005 Porsche 911
To start off, 2010 Mercedes-Benz SL is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 5,980 cc (12 cylinders), 2010 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2010 Mercedes-Benz SL (605 HP) has 160 more horse power than 2005 Porsche 911. (445 HP). In normal driving conditions, 2010 Mercedes-Benz SL should accelerate faster than 2005 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mercedes-Benz SL weights approximately 1240 kg more than 2005 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2010 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2005 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, 2010 Mercedes-Benz SL (1,000 Nm) has 380 more torque (in Nm) than 2005 Porsche 911. (620 Nm). This means 2010 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911. 2005 Porsche 911 has automatic transmission and 2010 Mercedes-Benz SL has manual transmission. 2010 Mercedes-Benz SL will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2010 Mercedes-Benz SL | 2005 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | SL | 911 |
| Year Released | 2010 | 2005 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5980 cc | 3600 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 605 HP | 445 HP |
| Torque | 1000 Nm | 620 Nm |
| Engine Bore Size | 82.6 mm | 100 mm |
| Engine Stroke Size | 93 mm | 76.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2830 kg | 1590 kg |
| Vehicle Length | 4540 mm | 4440 mm |
| Vehicle Width | 1820 mm | 1840 mm |
| Vehicle Height | 1300 mm | 1300 mm |
| Wheelbase Size | 2570 mm | 2360 mm |
| Fuel Consumption Overall | 16.8 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 80 L | 64 L |
