2009 Audi A6 vs. 1971 BMW Touring
To start off, 2009 Audi A6 is newer by 38 year(s). Which means there will be less support and parts availability for 1971 BMW Touring. In addition, the cost of maintenance, including insurance, on 1971 BMW Touring would be higher. At 1,781 cc (4 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (149 HP @ 5700 RPM) has 64 more horse power than 1971 BMW Touring. (85 HP @ 5700 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1971 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 460 kg more than 1971 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 A6 (210 Nm @ 1750 RPM) has 80 more torque (in Nm) than 1971 BMW Touring. (130 Nm @ 3500 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1971 BMW Touring.
Compare all specifications:
| 2009 Audi A6 | 1971 BMW Touring | |
| Make | Audi | BMW |
| Model | A6 | Touring |
| Year Released | 2009 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1573 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 149 HP | 85 HP |
| Engine RPM | 5700 RPM | 5700 RPM |
| Torque | 210 Nm | 130 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84.1 mm |
| Engine Stroke Size | 86.4 mm | 71 mm |
| Engine Compression Ratio | 10.0:1 | 8.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1490 kg | 1030 kg |
| Vehicle Length | 4800 mm | 4120 mm |
| Vehicle Width | 1820 mm | 1600 mm |
| Vehicle Height | 1460 mm | 1390 mm |
| Wheelbase Size | 2770 mm | 2510 mm |
