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 2,496 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (197 HP @ 5100 RPM) has 19 more horse power than 2005 Audi A6. (178 HP @ 6000 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 395 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 (280 Nm @ 1800 RPM) has 50 more torque (in Nm) than 2005 Audi A6. (230 Nm @ 3000 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 | 1984 cc | 2496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 178 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 280 Nm | 230 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Bore Size | 82.6 mm | 81.1 mm |
| Engine Stroke Size | 92.8 mm | 77.4 mm |
| Engine Compression Ratio | 11.5:1 | 10.3:1 |
| Acceleration 0-100mph | 7.2 seconds | 9.2 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 | 1160 kg | 1555 kg |
| Vehicle Length | 4550 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2850 mm |
| Fuel Consumption Overall | 8.8 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
