1971 Austin 3 vs. 1964 Sunbeam Alpine
To start off, 1971 Austin 3 is newer by 7 year(s). Which means there will be less support and parts availability for 1964 Sunbeam Alpine. In addition, the cost of maintenance, including insurance, on 1964 Sunbeam Alpine would be higher. At 2,910 cc (6 cylinders), 1971 Austin 3 is equipped with a bigger engine. In terms of performance, 1971 Austin 3 (123 HP @ 4500 RPM) has 44 more horse power than 1964 Sunbeam Alpine. (79 HP @ 5000 RPM). In normal driving conditions, 1971 Austin 3 should accelerate faster than 1964 Sunbeam Alpine. With that said, vehicle weight also plays an important factor in acceleration. 1971 Austin 3 weights approximately 490 kg more than 1964 Sunbeam Alpine. 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 Austin 3 (218 Nm @ 3000 RPM) has 90 more torque (in Nm) than 1964 Sunbeam Alpine. (128 Nm @ 3500 RPM). This means 1971 Austin 3 will have an easier job in driving up hills or pulling heavy equipment than 1964 Sunbeam Alpine.
Compare all specifications:
| 1971 Austin 3 | 1964 Sunbeam Alpine | |
| Make | Austin | Sunbeam |
| Model | 3 | Alpine |
| Year Released | 1971 | 1964 |
| Engine Position | Front | Front |
| Engine Size | 2910 cc | 1592 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 79 HP |
| Engine RPM | 4500 RPM | 5000 RPM |
| Torque | 218 Nm | 128 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 83.4 mm | 81.5 mm |
| Engine Stroke Size | 88.9 mm | 76.2 mm |
| Engine Compression Ratio | 9.0:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1000 kg |
| Vehicle Length | 4720 mm | 3950 mm |
| Vehicle Width | 1700 mm | 1540 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2940 mm | 2190 mm |
| Fuel Tank Capacity | 65 L | 40 L |
