2004 BMW 645 vs. 2007 Audi A6
To start off, 2007 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 144 more horse power than 2007 Audi A6. (178 HP @ 4000 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 175 kg more than 2004 BMW 645.
Because 2007 Audi A6 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, 2007 Audi A6 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 BMW 645 (447 Nm) has 77 more torque (in Nm) than 2007 Audi A6. (370 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
2004 BMW 645 | 2007 Audi A6 | |
Make | BMW | Audi |
Model | 645 | A6 |
Year Released | 2004 | 2007 |
Body Type | Coupe | Station Wagon |
Engine Position | Front | Front |
Engine Size | 4392 cc | 2496 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 322 HP | 178 HP |
Engine RPM | 7400 RPM | 4000 RPM |
Torque | 447 Nm | 370 Nm |
Engine Bore Size | 92 mm | 78.4 mm |
Engine Stroke Size | 83 mm | 86.4 mm |
Engine Compression Ratio | 10.5:1 | 19.0:1 |
Drive Type | Rear | 4WD |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1715 kg | 1890 kg |
Vehicle Length | 4840 mm | 4820 mm |
Vehicle Width | 1860 mm | 1860 mm |
Vehicle Height | 1380 mm | 1560 mm |
Wheelbase Size | 2790 mm | 2760 mm |
Fuel Consumption Overall | 11.8 L/100km | 9 L/100km |
Fuel Tank Capacity | 70 L | 70 L |