2009 Audi S5 vs. 2006 Audi A4
To start off, 2009 Audi S5 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2009 Audi S5 is equipped with a bigger engine. In terms of performance, 2009 Audi S5 (354 HP) has 157 more horse power than 2006 Audi A4. (197 HP). In normal driving conditions, 2009 Audi S5 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S5 weights approximately 492 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi S5 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 Audi S5 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, 2009 Audi S5 (441 Nm) has 161 more torque (in Nm) than 2006 Audi A4. (280 Nm). This means 2009 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4. 2006 Audi A4 has automatic transmission and 2009 Audi S5 has manual transmission. 2009 Audi S5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi S5 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | S5 | A4 |
| Year Released | 2009 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1984 cc |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 354 HP | 197 HP |
| Torque | 441 Nm | 280 Nm |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 249 km/hour | 235 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1278 kg |
| Vehicle Length | 4640 mm | 4590 mm |
| Vehicle Width | 1990 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2650 mm |
| Fuel Consumption Overall | 14.7 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
