2006 Aston Martin DB9 vs. 2005 Audi S4
To start off, 2006 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 5,935 cc (12 cylinders), 2006 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2006 Aston Martin DB9 (449 HP @ 6000 RPM) has 109 more horse power than 2005 Audi S4. (340 HP @ 7000 RPM). In normal driving conditions, 2006 Aston Martin DB9 should accelerate faster than 2005 Audi S4.
Because 2005 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2005 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, 2006 Aston Martin DB9 (570 Nm @ 5000 RPM) has 160 more torque (in Nm) than 2005 Audi S4. (410 Nm @ 3500 RPM). This means 2006 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4. 2005 Audi S4 has automatic transmission and 2006 Aston Martin DB9 has manual transmission. 2006 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Aston Martin DB9 | 2005 Audi S4 | |
| Make | Aston Martin | Audi |
| Model | DB9 | S4 |
| Year Released | 2006 | 2005 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4163 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 449 HP | 340 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 570 Nm | 410 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 89.1 mm | 85 mm |
| Engine Stroke Size | 79.5 mm | 93 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 4.9 seconds | 5.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4710 mm | 4580 mm |
| Vehicle Width | 1880 mm | 1790 mm |
| Vehicle Height | 1320 mm | 1450 mm |
| Wheelbase Size | 2750 mm | 2660 mm |
| Fuel Tank Capacity | 80 L | 63 L |
