1991 Audi S2 vs. 2005 BMW 525
To start off, 2005 BMW 525 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Audi S2. In addition, the cost of maintenance, including insurance, on 1991 Audi S2 would be higher. At 2,497 cc (6 cylinders), 2005 BMW 525 is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 55 more horse power than 2005 BMW 525. (161 HP @ 4000 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 2005 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 525 weights approximately 320 kg more than 1991 Audi S2.
Because 1991 Audi S2 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, 1991 Audi S2 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, 2005 BMW 525 (350 Nm @ 2000 RPM) has 41 more torque (in Nm) than 1991 Audi S2. (309 Nm @ 1950 RPM). This means 2005 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi S2. 2005 BMW 525 has automatic transmission and 1991 Audi S2 has manual transmission. 1991 Audi S2 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi S2 | 2005 BMW 525 | |
| Make | Audi | BMW |
| Model | S2 | 525 |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2497 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 161 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 309 Nm | 350 Nm |
| Torque RPM | 1950 RPM | 2000 RPM |
| Engine Bore Size | 81.1 mm | 80 mm |
| Engine Stroke Size | 86.4 mm | 82.8 mm |
| Engine Compression Ratio | 9.3:1 | 18.0:1 |
| Acceleration 0-100mph | 6.1 seconds | 9.4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1420 kg | 1740 kg |
| Vehicle Length | 4410 mm | 4810 mm |
| Vehicle Width | 1720 mm | 1810 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 2560 mm | 2840 mm |
| Fuel Consumption Overall | 8.3 L/100km | 7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
