2005 Audi Allroad vs. 2005 BMW 645
To start off, both 2005 Audi Allroad and 2005 BMW 645 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 55 more horse power than 2005 Audi Allroad. (271 HP @ 3200 RPM) In normal driving conditions, 2005 BMW 645 should accelerate faster than 2005 Audi Allroad. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 995 kg more than 2005 Audi Allroad. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi Allroad is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 645. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi Allroad (650 Nm @ 1600 RPM) has 203 more torque (in Nm) than 2005 BMW 645. (447 Nm @ 3600 RPM). This means 2005 Audi Allroad will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 645. 2005 Audi Allroad has automatic transmission and 2005 BMW 645 has manual transmission. 2005 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi Allroad will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi Allroad | 2005 BMW 645 | |
| Make | Audi | BMW |
| Model | Allroad | 645 |
| Year Released | 2005 | 2005 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3934 cc | 4392 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 271 HP | 326 HP |
| Engine RPM | 3200 RPM | 6100 RPM |
| Torque | 650 Nm | 447 Nm |
| Torque RPM | 1600 RPM | 3600 RPM |
| Engine Bore Size | 81 mm | 92 mm |
| Engine Stroke Size | 95.5 mm | 83 mm |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 6.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 900 kg | 1895 kg |
| Vehicle Length | 4940 mm | 4830 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1530 mm | 1380 mm |
| Wheelbase Size | 2470 mm | 2890 mm |
| Fuel Tank Capacity | 70 L | 70 L |
