2008 Audi A5 vs. 2006 Audi A4
To start off, 2008 Audi A5 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 A5 is equipped with a bigger engine. In terms of performance, 2008 Audi A5 (349 HP @ 7000 RPM) has 210 more horse power than 2006 Audi A4. (139 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A5 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A5 weights approximately 355 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 2008 Audi A5 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 A5 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 A5 (440 Nm @ 3500 RPM) has 120 more torque (in Nm) than 2006 Audi A4. (320 Nm @ 1750 RPM). This means 2008 Audi A5 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 A5 has manual transmission. 2008 Audi A5 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 A5 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A5 | A4 |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1968 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 349 HP | 139 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 440 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 93 mm | 95.5 mm |
| Engine Compression Ratio | 10.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 201 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 10.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1275 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 | 12.6 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
