2004 Audi A6 vs. 2009 Audi A5
To start off, 2009 Audi A5 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,965 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (237 HP @ 4000 RPM) has 59 more horse power than 2004 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2009 Audi A5 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 85 kg more than 2009 Audi A5.
Because 2009 Audi A5 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A6. In wet, icy, snow, or gravel driving conditions, 2009 Audi A5 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, 2009 Audi A5 (500 Nm @ 1500 RPM) has 130 more torque (in Nm) than 2004 Audi A6. (370 Nm @ 1400 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2009 Audi A5 | |
| Make | Audi | Audi |
| Model | A6 | A5 |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 2965 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 237 HP |
| Engine RPM | 3300 RPM | 4000 RPM |
| Torque | 370 Nm | 500 Nm |
| Torque RPM | 1400 RPM | 1500 RPM |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 83.1 mm | 91.4 mm |
| Engine Compression Ratio | 17.0:1 | 16.8:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 5.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1695 kg | 1610 kg |
| Vehicle Length | 4940 mm | 4630 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2950 mm | 2760 mm |
| Fuel Consumption Overall | 7 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
