2004 Audi RS6 vs. 2004 BMW 645
To start off, both 2004 Audi RS6 and 2004 BMW 645 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 Audi RS6 (445 HP @ 6300 RPM) has 117 more horse power than 2004 BMW 645. (328 HP @ 6100 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 2004 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 150 kg more than 2004 BMW 645. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 645. In wet, icy, snow, or gravel driving conditions, 2004 Audi RS6 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, 2004 Audi RS6 (560 Nm @ 1950 RPM) has 110 more torque (in Nm) than 2004 BMW 645. (450 Nm @ 3600 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 645.
Compare all specifications:
2004 Audi RS6 | 2004 BMW 645 | |
Make | Audi | BMW |
Model | RS6 | 645 |
Year Released | 2004 | 2004 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 4163 cc | 4398 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 445 HP | 328 HP |
Engine RPM | 6300 RPM | 6100 RPM |
Torque | 560 Nm | 450 Nm |
Torque RPM | 1950 RPM | 3600 RPM |
Engine Bore Size | 84.5 mm | 92 mm |
Engine Stroke Size | 93 mm | 82.7 mm |
Engine Compression Ratio | 9.0:1 | 10.0:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | 4WD | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1840 kg | 1690 kg |
Vehicle Length | 4800 mm | 4830 mm |
Vehicle Width | 1820 mm | 1860 mm |
Vehicle Height | 1460 mm | 1380 mm |
Wheelbase Size | 2760 mm | 2830 mm |
Fuel Tank Capacity | 70 L | 70 L |