1991 Audi 100 vs. 1980 BMW M5
To start off, 1991 Audi 100 is newer by 11 year(s). Which means there will be less support and parts availability for 1980 BMW M5. In addition, the cost of maintenance, including insurance, on 1980 BMW M5 would be higher. At 3,453 cc (6 cylinders), 1980 BMW M5 is equipped with a bigger engine. In terms of performance, 1980 BMW M5 (218 HP @ 5200 RPM) has 46 more horse power than 1991 Audi 100. (172 HP @ 5500 RPM) In normal driving conditions, 1980 BMW M5 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 115 kg more than 1980 BMW M5.
Let's talk about torque, 1980 BMW M5 (304 Nm @ 4000 RPM) has 54 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 1980 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 1980 BMW M5 | |
| Make | Audi | BMW |
| Model | 100 | M5 |
| Year Released | 1991 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 3453 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 172 HP | 218 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 250 Nm | 304 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 93.4 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1506 kg | 1391 kg |
| Vehicle Length | 4800 mm | 4620 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1450 mm | 1430 mm |
