2007 Audi A8 vs. 2005 Mercedes-Benz SL
To start off, 2007 Audi A8 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 5,513 cc (12 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SL (493 HP @ 4800 RPM) has 163 more horse power than 2007 Audi A8. (330 HP @ 6500 RPM) In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 2007 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 130 kg more than 2007 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A8 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, 2007 Audi A8 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 (800 Nm @ 1800 RPM) has 370 more torque (in Nm) than 2007 Audi A8. (430 Nm @ 3500 RPM). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A8.
Compare all specifications:
| 2007 Audi A8 | 2005 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | SL |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5513 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 330 HP | 493 HP |
| Engine RPM | 6500 RPM | 4800 RPM |
| Torque | 430 Nm | 800 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 4.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1910 kg | 2040 kg |
| Vehicle Length | 5190 mm | 4540 mm |
| Vehicle Width | 1900 mm | 1830 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 3080 mm | 2570 mm |
| Fuel Consumption Overall | 11.9 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 90 L | 80 L |
