2005 Audi A4 vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,496 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (177 HP @ 1500 RPM) has 9 more horse power than 2009 Audi A6. (168 HP @ 6000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 55 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A6. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (371 Nm @ 1500 RPM) has 140 more torque (in Nm) than 2009 Audi A6. (231 Nm @ 3200 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6. 2005 Audi A4 has automatic transmission and 2009 Audi A6 has manual transmission. 2009 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2009 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2393 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 177 HP | 168 HP |
| Engine RPM | 1500 RPM | 6000 RPM |
| Torque | 371 Nm | 231 Nm |
| Torque RPM | 1500 RPM | 3200 RPM |
| Engine Bore Size | 78.3 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 77.4 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 225 km/hour | 222 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 9.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1590 kg | 1535 kg |
| Vehicle Length | 4550 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 2770 mm |
| Fuel Consumption Overall | 7.8 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
