1951 Austin A 40 vs. 1971 BMW Touring
To start off, 1971 BMW Touring is newer by 20 year(s). Which means there will be less support and parts availability for 1951 Austin A 40. In addition, the cost of maintenance, including insurance, on 1951 Austin A 40 would be higher. At 1,573 cc (4 cylinders), 1971 BMW Touring is equipped with a bigger engine. In terms of performance, 1971 BMW Touring (85 HP @ 5700 RPM) has 36 more horse power than 1951 Austin A 40. (49 HP @ 5000 RPM) In normal driving conditions, 1971 BMW Touring should accelerate faster than 1951 Austin A 40. With that said, vehicle weight also plays an important factor in acceleration. 1971 BMW Touring weights approximately 40 kg more than 1951 Austin A 40. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1971 BMW Touring (130 Nm @ 3500 RPM) has 47 more torque (in Nm) than 1951 Austin A 40. (83 Nm @ 3000 RPM). This means 1971 BMW Touring will have an easier job in driving up hills or pulling heavy equipment than 1951 Austin A 40.
Compare all specifications:
| 1951 Austin A 40 | 1971 BMW Touring | |
| Make | Austin | BMW |
| Model | A 40 | Touring |
| Year Released | 1951 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1200 cc | 1573 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 49 HP | 85 HP |
| Engine RPM | 5000 RPM | 5700 RPM |
| Torque | 83 Nm | 130 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 65.5 mm | 84.1 mm |
| Engine Stroke Size | 89 mm | 71 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 990 kg | 1030 kg |
| Vehicle Length | 4060 mm | 4120 mm |
| Vehicle Width | 1560 mm | 1600 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 2360 mm | 2510 mm |
