2005 Audi A6 vs. 2008 Audi A4
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 3,187 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (252 HP @ 6500 RPM) has 74 more horse power than 2005 Audi A6. (178 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 570 kg more than 2008 Audi A4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2005 Audi A6 (370 Nm @ 1500 RPM) has 40 more torque (in Nm) than 2008 Audi A4. (330 Nm @ 3250 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2008 Audi A4 has automatic transmission and 2005 Audi A6 has manual transmission. 2005 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2008 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 3187 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 252 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 370 Nm | 330 Nm |
| Torque RPM | 1500 RPM | 3250 RPM |
| Engine Bore Size | 78.3 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 19.0:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 221 km/hour | 254 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 6.4 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1160 kg |
| Vehicle Length | 4800 mm | 4550 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 8.3 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
