2009 Audi A6 vs. 2008 Audi A4
To start off, 2009 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 3,129 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (342 HP @ 6500 RPM) has 155 more horse power than 2008 Audi A4. (187 HP @ 5700 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 65 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Audi A6 (243 Nm @ 3250 RPM) has 3 more torque (in Nm) than 2008 Audi A4. (240 Nm @ 1950 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2009 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. 2009 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A6 | 2008 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 1780 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 342 HP | 187 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 243 Nm | 240 Nm |
| Torque RPM | 3250 RPM | 1950 RPM |
| Engine Bore Size | 84.6 mm | 81 mm |
| Engine Stroke Size | 92.7 mm | 86.4 mm |
| Engine Compression Ratio | 12.5:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 209 km/hour | 234 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 8.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1475 kg |
| Vehicle Length | 4920 mm | 4550 mm |
| Vehicle Width | 1470 mm | 1780 mm |
| Vehicle Height | 1860 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2660 mm |
| Fuel Consumption Overall | 15.5 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
