2009 Audi A4 vs. 2006 BMW 523
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 523. In addition, the cost of maintenance, including insurance, on 2006 BMW 523 would be higher. At 2,965 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (237 HP) has 62 more horse power than 2006 BMW 523. (175 HP). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2006 BMW 523.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 523. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (500 Nm @ 1500 RPM) has 270 more torque (in Nm) than 2006 BMW 523. (230 Nm @ 3500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523. 2006 BMW 523 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 523 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2006 BMW 523 | |
| Make | Audi | BMW |
| Model | A4 | 523 |
| Year Released | 2009 | 2006 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 175 HP |
| Torque | 500 Nm | 230 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 227 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 8.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4710 mm | 4850 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1500 mm |
| Wheelbase Size | 2810 mm | 2840 mm |
| Fuel Consumption Overall | 7.1 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
