1991 Audi S2 vs. 1989 BMW 730
To start off, 1991 Audi S2 is newer by 2 year(s). Which means there will be less support and parts availability for 1989 BMW 730. In addition, the cost of maintenance, including insurance, on 1989 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1989 BMW 730 is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 35 more horse power than 1989 BMW 730. (181 HP @ 5800 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 1989 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1989 BMW 730 weights approximately 180 kg more than 1991 Audi S2.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 1989 BMW 730. 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, 1991 Audi S2 (309 Nm @ 1950 RPM) has 48 more torque (in Nm) than 1989 BMW 730. (261 Nm @ 4000 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1989 BMW 730.
Compare all specifications:
| 1991 Audi S2 | 1989 BMW 730 | |
| Make | Audi | BMW |
| Model | S2 | 730 |
| Year Released | 1991 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2986 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 181 HP |
| Engine RPM | 5900 RPM | 5800 RPM |
| Torque | 309 Nm | 261 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 89 mm |
| Engine Stroke Size | 86.4 mm | 80 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1600 kg |
| Vehicle Length | 4410 mm | 4920 mm |
| Vehicle Width | 1720 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2560 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 90 L |
