1976 Audi 100 vs. 1991 BMW 518
To start off, 1991 BMW 518 is newer by 15 year(s). Which means there will be less support and parts availability for 1976 Audi 100. In addition, the cost of maintenance, including insurance, on 1976 Audi 100 would be higher. At 2,142 cc (5 cylinders), 1976 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 BMW 518 (114 HP @ 5500 RPM) has 5 more horse power than 1976 Audi 100. (109 HP @ 5600 RPM) In normal driving conditions, 1991 BMW 518 should accelerate faster than 1976 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1976 Audi 100 weights approximately 10 kg more than 1991 BMW 518.
Because 1991 BMW 518 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 BMW 518. However, in wet, icy, snow, or gravel driving conditions, 1976 Audi 100, being front wheel drive (FWD), will offer much better control with better grip. 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 BMW 518 (165 Nm @ 4250 RPM) has 2 more torque (in Nm) than 1976 Audi 100. (163 Nm @ 4000 RPM). This means 1991 BMW 518 will have an easier job in driving up hills or pulling heavy equipment than 1976 Audi 100.
Compare all specifications:
| 1976 Audi 100 | 1991 BMW 518 | |
| Make | Audi | BMW |
| Model | 100 | 518 |
| Year Released | 1976 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2142 cc | 1766 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 114 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 163 Nm | 165 Nm |
| Torque RPM | 4000 RPM | 4250 RPM |
| Engine Bore Size | 79.5 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 81 mm |
| Engine Compression Ratio | 8.2:1 | 8.8:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1170 kg | 1160 kg |
| Vehicle Length | 4690 mm | 4730 mm |
| Vehicle Width | 1770 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2680 mm | 2770 mm |
