1991 Audi 100 vs. 1973 BMW Touring
To start off, 1991 Audi 100 is newer by 18 year(s). Which means there will be less support and parts availability for 1973 BMW Touring. In addition, the cost of maintenance, including insurance, on 1973 BMW Touring would be higher. At 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (171 HP @ 5500 RPM) has 86 more horse power than 1973 BMW Touring. (85 HP @ 5700 RPM). In normal driving conditions, 1991 Audi 100 should accelerate faster than 1973 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 420 kg more than 1973 BMW Touring. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Audi 100 (250 Nm @ 3000 RPM) has 120 more torque (in Nm) than 1973 BMW Touring. (130 Nm @ 3500 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW Touring.
Compare all specifications:
| 1991 Audi 100 | 1973 BMW Touring | |
| Make | Audi | BMW |
| Model | 100 | Touring |
| Year Released | 1991 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 1573 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 171 HP | 85 HP |
| Engine RPM | 5500 RPM | 5700 RPM |
| Torque | 250 Nm | 130 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 71 mm |
| Engine Compression Ratio | 10.3:1 | 8.6:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1450 kg | 1030 kg |
| Vehicle Length | 4800 mm | 4120 mm |
| Vehicle Width | 1780 mm | 1600 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 2690 mm | 2510 mm |
