2002 Audi S4 vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Audi S4. In addition, the cost of maintenance, including insurance, on 2002 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2002 Audi S4 is equipped with a bigger engine. In terms of performance, 2002 Audi S4 (339 HP @ 7000 RPM) has 124 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2002 Audi S4 should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi S4 weights approximately 220 kg more than 2009 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 525. In wet, icy, snow, or gravel driving conditions, 2002 Audi S4 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, 2002 Audi S4 (410 Nm @ 3500 RPM) has 160 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2900 RPM). This means 2002 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525. 2009 BMW 525 has automatic transmission and 2002 Audi S4 has manual transmission. 2002 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Audi S4 | 2009 BMW 525 | |
| Make | Audi | BMW |
| Model | S4 | 525 |
| Year Released | 2002 | 2009 |
| Body Type | Station Wagon | 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 | 339 HP | 215 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 410 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 2900 RPM |
| Engine Bore Size | 84.6 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 78.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1720 kg | 1500 kg |
| Vehicle Length | 4580 mm | 4850 mm |
| Vehicle Width | 1790 mm | 1470 mm |
| Vehicle Height | 1450 mm | 1850 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Tank Capacity | 66 L | 70 L |
