2004 Audi A4 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 A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 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 127 more horse power than 2004 Audi A4. (201 HP @ 3500 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 38 kg more than 2006 BMW 645.
Because 2004 Audi A4 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 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, 2004 Audi A4 (451 Nm @ 1400 RPM) has 1 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
2004 Audi A4 | 2006 BMW 645 | |
Make | Audi | BMW |
Model | A4 | 645 |
Year Released | 2004 | 2006 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2967 cc | 4398 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 201 HP | 328 HP |
Engine RPM | 3500 RPM | 6100 RPM |
Torque | 451 Nm | 450 Nm |
Torque RPM | 1400 RPM | 3600 RPM |
Engine Bore Size | 83 mm | 92 mm |
Engine Stroke Size | 91.4 mm | 82.7 mm |
Fuel Type | Diesel | Gasoline - Premium |
Top Speed | 233 km/hour | 250 km/hour |
Acceleration 0-100mph | 7.7 seconds | 5.6 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1730 kg | 1692 kg |
Vehicle Length | 4590 mm | 4830 mm |
Vehicle Width | 1780 mm | 1860 mm |
Vehicle Height | 1430 mm | 1380 mm |
Wheelbase Size | 2470 mm | 2790 mm |
Fuel Consumption Overall | 8.2 L/100km | 11.8 L/100km |
Fuel Tank Capacity | 63 L | 70 L |