2006 Audi S3 vs. 1998 BMW 730
To start off, 2006 Audi S3 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 BMW 730. In addition, the cost of maintenance, including insurance, on 1998 BMW 730 would be higher. At 2,793 cc (6 cylinders), 1998 BMW 730 is equipped with a bigger engine. In terms of performance, 2006 Audi S3 (222 HP @ 5900 RPM) has 32 more horse power than 1998 BMW 730. (190 HP @ 5300 RPM). In normal driving conditions, 2006 Audi S3 should accelerate faster than 1998 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 730 weights approximately 315 kg more than 2006 Audi S3.
Because 2006 Audi S3 is four wheel drive (4WD), it will have significant more traction and grip than 1998 BMW 730. In wet, icy, snow, or gravel driving conditions, 2006 Audi S3 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, both vehicles can yield 280 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2006 Audi S3 | 1998 BMW 730 | |
| Make | Audi | BMW |
| Model | S3 | 730 |
| Year Released | 2006 | 1998 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2793 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 222 HP | 190 HP |
| Engine RPM | 5900 RPM | 5300 RPM |
| Torque | 280 Nm | 280 Nm |
| Torque RPM | 2200 RPM | 3950 RPM |
| Engine Bore Size | 81 mm | 84.1 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Engine Compression Ratio | 9.0:1 | 10.2:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1745 kg |
| Wheelbase Size | 2530 mm | 2940 mm |
| Fuel Tank Capacity | 55 L | 90 L |
