2006 Aston Martin DB9 vs. 1999 Mercedes-Benz SL
To start off, 2006 Aston Martin DB9 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1999 Mercedes-Benz SL would be higher. At 5,932 cc (12 cylinders), 2006 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2006 Aston Martin DB9 (450 HP @ 6000 RPM) has 260 more horse power than 1999 Mercedes-Benz SL. (190 HP @ 5500 RPM). In normal driving conditions, 2006 Aston Martin DB9 should accelerate faster than 1999 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercedes-Benz SL weights approximately 50 kg more than 2006 Aston Martin DB9.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2006 Aston Martin DB9 (570 Nm @ 5000 RPM) has 299 more torque (in Nm) than 1999 Mercedes-Benz SL. (271 Nm @ 3750 RPM). This means 2006 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercedes-Benz SL.
Compare all specifications:
| 2006 Aston Martin DB9 | 1999 Mercedes-Benz SL | |
| Make | Aston Martin | Mercedes-Benz |
| Model | DB9 | SL |
| Year Released | 2006 | 1999 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5932 cc | 2799 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 190 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 570 Nm | 271 Nm |
| Torque RPM | 5000 RPM | 3750 RPM |
| Engine Bore Size | 89.1 mm | 89.9 mm |
| Engine Stroke Size | 79.5 mm | 73.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1760 kg |
| Vehicle Length | 4720 mm | 4470 mm |
| Vehicle Width | 1880 mm | 1820 mm |
| Vehicle Height | 1320 mm | 1300 mm |
| Wheelbase Size | 2750 mm | 2520 mm |
| Fuel Tank Capacity | 83 L | 80 L |
