2004 Audi Allroad vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi Allroad. In addition, the cost of maintenance, including insurance, on 2004 Audi Allroad would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 78 more horse power than 2004 Audi Allroad. (250 HP @ 6200 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 2004 Audi Allroad. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi Allroad weights approximately 86 kg more than 2006 BMW 645.
Because 2004 Audi Allroad is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2004 Audi Allroad 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, 2006 BMW 645 (450 Nm) has 100 more torque (in Nm) than 2004 Audi Allroad. (350 Nm). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi Allroad.
Compare all specifications:
| 2004 Audi Allroad | 2006 BMW 645 | |
| Make | Audi | BMW |
| Model | Allroad | 645 |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 250 HP | 328 HP |
| Engine RPM | 6200 RPM | 6100 RPM |
| Torque | 350 Nm | 450 Nm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1896 kg | 1810 kg |
| Vehicle Length | 4820 mm | 4830 mm |
| Vehicle Width | 1940 mm | 1860 mm |
| Vehicle Height | 1580 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption Overall | 13.1 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
