2009 Audi A8 vs. 1973 BMW Touring
To start off, 2009 Audi A8 is newer by 36 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 4,134 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (322 HP @ 3750 RPM) has 237 more horse power than 1973 BMW Touring. (85 HP @ 5700 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 1973 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 915 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, 2009 Audi A8 (650 Nm @ 1600 RPM) has 520 more torque (in Nm) than 1973 BMW Touring. (130 Nm @ 3500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW Touring.
Compare all specifications:
| 2009 Audi A8 | 1973 BMW Touring | |
| Make | Audi | BMW |
| Model | A8 | Touring |
| Year Released | 2009 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 4134 cc | 1573 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 322 HP | 85 HP |
| Engine RPM | 3750 RPM | 5700 RPM |
| Torque | 650 Nm | 130 Nm |
| Torque RPM | 1600 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 71 mm |
| Engine Compression Ratio | 16.5:1 | 8.6:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1945 kg | 1030 kg |
| Vehicle Length | 5070 mm | 4120 mm |
| Vehicle Width | 1900 mm | 1600 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 2950 mm | 2510 mm |
