1991 Audi S2 vs. 1986 BMW 735
To start off, 1991 Audi S2 is newer by 5 year(s). Which means there will be less support and parts availability for 1986 BMW 735. In addition, the cost of maintenance, including insurance, on 1986 BMW 735 would be higher. At 3,453 cc (6 cylinders), 1986 BMW 735 is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 1 more horse power than 1986 BMW 735. (215 HP @ 5200 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 1986 BMW 735. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 735 weights approximately 266 kg more than 1991 Audi S2.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 1986 BMW 735. 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, 1986 BMW 735 (310 Nm @ 4000 RPM) has 1 more torque (in Nm) than 1991 Audi S2. (309 Nm @ 1950 RPM). This means 1986 BMW 735 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi S2.
Compare all specifications:
| 1991 Audi S2 | 1986 BMW 735 | |
| Make | Audi | BMW |
| Model | S2 | 735 |
| Year Released | 1991 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 3453 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 215 HP |
| Engine RPM | 5900 RPM | 5200 RPM |
| Torque | 309 Nm | 310 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1686 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 |
