2006 Audi S4 vs. 1971 BMW Touring
To start off, 2006 Audi S4 is newer by 35 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 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 255 more horse power than 1971 BMW Touring. (85 HP @ 5700 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 1971 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 850 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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 280 more torque (in Nm) than 1971 BMW Touring. (130 Nm @ 3500 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1971 BMW Touring.
Compare all specifications:
| 2006 Audi S4 | 1971 BMW Touring | |
| Make | Audi | BMW |
| Model | S4 | Touring |
| Year Released | 2006 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1573 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 85 HP |
| Engine RPM | 7000 RPM | 5700 RPM |
| Torque | 410 Nm | 130 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84.1 mm |
| Engine Stroke Size | 92.8 mm | 71 mm |
| Engine Compression Ratio | 11.0:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1880 kg | 1030 kg |
| Vehicle Length | 4590 mm | 4120 mm |
| Vehicle Width | 1780 mm | 1600 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2650 mm | 2510 mm |
