2008 Audi S5 vs. 2006 Audi A4
To start off, 2008 Audi S5 is newer by 2 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), 2008 Audi S5 is equipped with a bigger engine. In terms of performance, 2008 Audi S5 (354 HP @ 6800 RPM) has 102 more horse power than 2006 Audi A4. (252 HP @ 6500 RPM). In normal driving conditions, 2008 Audi S5 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 110 kg more than 2008 Audi S5.
Because 2008 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, 2008 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, 2008 Audi S5 (441 Nm @ 3500 RPM) has 111 more torque (in Nm) than 2006 Audi A4. (330 Nm @ 3250 RPM). This means 2008 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 2008 Audi S5 has manual transmission. 2008 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:
| 2008 Audi S5 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | S5 | A4 |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3123 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 354 HP | 252 HP |
| Engine RPM | 6800 RPM | 6500 RPM |
| Torque | 441 Nm | 330 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 249 km/hour | 245 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1770 kg | 1880 kg |
| Vehicle Length | 4640 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2650 mm |
| Fuel Consumption Overall | 7.8 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
