2008 Audi A4 vs. 2005 Audi A6
To start off, 2008 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,965 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (222 HP @ 4000 RPM) has 60 more horse power than 2005 Audi A6. (162 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 160 kg more than 2008 Audi A4.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A6. In wet, icy, snow, or gravel driving conditions, 2008 Audi A4 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 A4 (450 Nm @ 1400 RPM) has 140 more torque (in Nm) than 2005 Audi A6. (310 Nm @ 1400 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 2005 Audi A6 has automatic transmission and 2008 Audi A4 has manual transmission. 2008 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A4 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2008 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 2496 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 162 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 310 Nm |
| Torque RPM | 1400 RPM | 1400 RPM |
| Engine Bore Size | 83 mm | 78.3 mm |
| Engine Stroke Size | 91.4 mm | 86.4 mm |
| Engine Compression Ratio | 17.0:1 | 19.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 231 km/hour | 217 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 9.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1590 kg |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Consumption Overall | 7.5 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
