1989 Audi 90 vs. 1981 BMW 725
To start off, 1989 Audi 90 is newer by 8 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 2,493 cc (6 cylinders), 1981 BMW 725 is equipped with a bigger engine. In terms of performance, 1981 BMW 725 (148 HP @ 5500 RPM) has 12 more horse power than 1989 Audi 90. (136 HP @ 5500 RPM) In normal driving conditions, 1981 BMW 725 should accelerate faster than 1989 Audi 90.
Because 1989 Audi 90 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 1989 Audi 90 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, 1981 BMW 725 (215 Nm @ 4000 RPM) has 27 more torque (in Nm) than 1989 Audi 90. (188 Nm @ 3000 RPM). This means 1981 BMW 725 will have an easier job in driving up hills or pulling heavy equipment than 1989 Audi 90.
Compare all specifications:
| 1989 Audi 90 | 1981 BMW 725 | |
| Make | Audi | BMW |
| Model | 90 | 725 |
| Year Released | 1989 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2308 cc | 2493 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 136 HP | 148 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 188 Nm | 215 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 71.6 mm |
| Engine Compression Ratio | 10.0:1 | 9.6:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4400 mm | 4870 mm |
| Vehicle Width | 1700 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2540 mm | 2810 mm |
