2005 Audi A6 vs. 2005 Audi A4
To start off, both 2005 Audi A6 and 2005 Audi A4 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,669 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (180 HP @ 3300 RPM) has 2 more horse power than 2005 Audi A4. (178 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 290 kg more than 2005 Audi A4. 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 2005 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 A6 (380 Nm @ 1400 RPM) has 10 more torque (in Nm) than 2005 Audi A4. (370 Nm @ 1500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A6 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2669 cc | 2392 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 180 HP | 178 HP |
| Engine RPM | 3300 RPM | 4000 RPM |
| Torque | 380 Nm | 370 Nm |
| Torque RPM | 1400 RPM | 1500 RPM |
| Engine Bore Size | 83 mm | 78.3 mm |
| Engine Stroke Size | 83.1 mm | 86.4 mm |
| Engine Compression Ratio | 17.0:1 | 19.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 225 km/hour | 223 km/hour |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1590 kg |
| Vehicle Length | 4920 mm | 4550 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2770 mm |
| Fuel Consumption Overall | 7.1 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
