2006 Audi S4 vs. 2006 BMW 523
To start off, both 2006 Audi S4 and 2006 BMW 523 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 165 more horse power than 2006 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2006 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 248 kg more than 2006 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 523 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 523. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi S4, 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 Audi S4 (410 Nm @ 3500 RPM) has 180 more torque (in Nm) than 2006 BMW 523. (230 Nm @ 3500 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523.
Compare all specifications:
| 2006 Audi S4 | 2006 BMW 523 | |
| Make | Audi | BMW |
| Model | S4 | 523 |
| Year Released | 2006 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 175 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 410 Nm | 230 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 78.8 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 5.8 seconds | 9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1632 kg |
| Vehicle Length | 4590 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2890 mm |
| Fuel Consumption Overall | 12.3 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
