2005 Audi S4 vs. 2013 Aston Martin DB9
To start off, 2013 Aston Martin DB9 is newer by 8 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 5,900 cc (12 cylinders), 2013 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2013 Aston Martin DB9 (470 HP @ 5000 RPM) has 130 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2013 Aston Martin DB9 should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 80 kg more than 2013 Aston Martin DB9.
Let's talk about torque, 2013 Aston Martin DB9 (601 Nm) has 191 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2013 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2013 Aston Martin DB9 | |
| Make | Audi | Aston Martin |
| Model | S4 | DB9 |
| Year Released | 2005 | 2013 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5900 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 470 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 410 Nm | 601 Nm |
| Engine Bore Size | 85 mm | 89 mm |
| Engine Stroke Size | 93 mm | 79 mm |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1760 kg |
| Vehicle Length | 4580 mm | 4710 mm |
| Vehicle Width | 1780 mm | 2017 mm |
| Vehicle Height | 1400 mm | 1270 mm |
| Wheelbase Size | 2660 mm | 2745 mm |
| Fuel Consumption | 10.2 L/100km | 11.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 18.9 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
