2007 Aston Martin DB9 vs. 2006 Audi S4
To start off, 2007 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (451 HP @ 5750 RPM) has 111 more horse power than 2006 Audi S4. (340 HP @ 6800 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2006 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 305 kg more than 2006 Audi S4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2006 Audi S4 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 160 more torque (in Nm) than 2006 Audi S4. (410 Nm @ 3500 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi S4.
Compare all specifications:
| 2007 Aston Martin DB9 | 2006 Audi S4 | |
| Make | Aston Martin | Audi |
| Model | DB9 | S4 |
| Year Released | 2007 | 2006 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4163 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 451 HP | 340 HP |
| Engine RPM | 5750 RPM | 6800 RPM |
| Torque | 570 Nm | 410 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Top Speed | 300 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 5.9 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1530 kg |
| Vehicle Length | 4720 mm | 4580 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1280 mm | 1400 mm |
| Wheelbase Size | 2750 mm | 2660 mm |
| Fuel Consumption Highway | 12.4 L/100km | 10.8 L/100km |
| Fuel Consumption City | 19.6 L/100km | 15.8 L/100km |
| Fuel Consumption Overall | 17.8 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 78 L | 63 L |
