2007 Audi S4 vs. 2005 BMW 525
To start off, 2007 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 525. In addition, the cost of maintenance, including insurance, on 2005 BMW 525 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 178 more horse power than 2005 BMW 525. (161 HP @ 4000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2005 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 265 kg more than 2005 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 525. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 59 more torque (in Nm) than 2005 BMW 525. (351 Nm @ 2000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 525. 2007 Audi S4 has automatic transmission and 2005 BMW 525 has manual transmission. 2005 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S4 | 2005 BMW 525 | |
| Make | Audi | BMW |
| Model | S4 | 525 |
| Year Released | 2007 | 2005 |
| 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 | 161 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 410 Nm | 351 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84.6 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 82.8 mm |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 5.9 seconds | 8.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1755 kg | 1490 kg |
| Vehicle Length | 4590 mm | 4850 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2730 mm |
| Fuel Consumption Overall | 12.3 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
