2005 Mercedes-Benz SL vs. 2012 Audi Q7
To start off, 2012 Audi Q7 is newer by 7 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 5,394 cc (12 cylinders), 2012 Audi Q7 is equipped with a bigger engine. In terms of performance, 2012 Audi Q7 (493 HP @ 3750 RPM) has 191 more horse power than 2005 Mercedes-Benz SL. (302 HP @ 2700 RPM) In normal driving conditions, 2012 Audi Q7 should accelerate faster than 2005 Mercedes-Benz SL.
Because 2012 Audi Q7 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2012 Audi Q7 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, 2012 Audi Q7 (1,000 Nm @ 1750 RPM) has 540 more torque (in Nm) than 2005 Mercedes-Benz SL. (460 Nm @ 2700 RPM). This means 2012 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz SL.
Compare all specifications:
| 2005 Mercedes-Benz SL | 2012 Audi Q7 | |
| Make | Mercedes-Benz | Audi |
| Model | SL | Q7 |
| Year Released | 2005 | 2012 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4966 cc | 5394 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 302 HP | 493 HP |
| Engine RPM | 2700 RPM | 3750 RPM |
| Torque | 460 Nm | 1000 Nm |
| Torque RPM | 2700 RPM | 1750 RPM |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 5.5 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4540 mm | 5088 mm |
| Vehicle Width | 1820 mm | 1984 mm |
| Vehicle Height | 1300 mm | 1737 mm |
| Wheelbase Size | 2570 mm | 3002 mm |
| Fuel Tank Capacity | 80 L | 100 L |
