2009 Audi A4 vs. 2008 Audi A6
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A6. In addition, the cost of maintenance, including insurance, on 2008 Audi A6 would be higher. At 3,698 cc (6 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (177 HP @ 3300 RPM) has 9 more horse power than 2009 Audi A4. (168 HP @ 6000 RPM) In normal driving conditions, 2008 Audi A6 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 155 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2008 Audi A6 (380 Nm @ 1400 RPM) has 150 more torque (in Nm) than 2009 Audi A4. (230 Nm @ 3200 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2008 Audi A6 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2008 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 3698 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 168 HP | 177 HP |
| Engine RPM | 6000 RPM | 3300 RPM |
| Torque | 230 Nm | 380 Nm |
| Torque RPM | 3200 RPM | 1400 RPM |
| Engine Bore Size | 81 mm | 83.1 mm |
| Engine Stroke Size | 77.4 mm | 83.1 mm |
| Engine Compression Ratio | 10.5:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 9.1 seconds | 8.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1500 kg | 1655 kg |
| Vehicle Length | 4550 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1470 mm |
| Vehicle Height | 1430 mm | 1860 mm |
| Wheelbase Size | 2660 mm | 2850 mm |
| Fuel Consumption Overall | 9.6 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
