2004 Audi A4 vs. 2006 BMW 745
To start off, 2006 BMW 745 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 4,423 cc (8 cylinders), 2006 BMW 745 is equipped with a bigger engine. In terms of performance, 2006 BMW 745 (325 HP @ 3800 RPM) has 165 more horse power than 2004 Audi A4. (160 HP @ 5700 RPM) In normal driving conditions, 2006 BMW 745 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 745 weights approximately 625 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 745 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW 745. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 745 (700 Nm @ 1900 RPM) has 475 more torque (in Nm) than 2004 Audi A4. (225 Nm @ 1950 RPM). This means 2006 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2006 BMW 745 | |
| Make | Audi | BMW |
| Model | A4 | 745 |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 4423 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 160 HP | 325 HP |
| Engine RPM | 5700 RPM | 3800 RPM |
| Torque | 225 Nm | 700 Nm |
| Torque RPM | 1950 RPM | 1900 RPM |
| Engine Compression Ratio | 9.3:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 8.9 seconds | 6.6 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1490 kg | 2115 kg |
| Vehicle Length | 4590 mm | 5050 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2470 mm | 3000 mm |
| Fuel Consumption Overall | 8.3 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
