1963 Austin-Healey 3000 Mk III vs. 1963 Sunbeam Alpine
To start off, both 1963 Austin-Healey 3000 Mk III and 1963 Sunbeam Alpine were released in the same year (1963). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,912 cc (6 cylinders), 1963 Austin-Healey 3000 Mk III is equipped with a bigger engine. In terms of performance, 1963 Austin-Healey 3000 Mk III (146 HP @ 5250 RPM) has 65 more horse power than 1963 Sunbeam Alpine. (81 HP @ 5200 RPM). In normal driving conditions, 1963 Austin-Healey 3000 Mk III should accelerate faster than 1963 Sunbeam Alpine. With that said, vehicle weight also plays an important factor in acceleration. 1963 Austin-Healey 3000 Mk III weights approximately 150 kg more than 1963 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, 1963 Austin-Healey 3000 Mk III (165 Nm @ 3500 RPM) has 39 more torque (in Nm) than 1963 Sunbeam Alpine. (126 Nm @ 3600 RPM). This means 1963 Austin-Healey 3000 Mk III will have an easier job in driving up hills or pulling heavy equipment than 1963 Sunbeam Alpine.
Compare all specifications:
| 1963 Austin-Healey 3000 Mk III | 1963 Sunbeam Alpine | |
| Make | Austin-Healey | Sunbeam |
| Model | 3000 Mk III | Alpine |
| Year Released | 1963 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 1592 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 146 HP | 81 HP |
| Engine RPM | 5250 RPM | 5200 RPM |
| Torque | 165 Nm | 126 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 83.4 mm | 81.5 mm |
| Engine Stroke Size | 88.9 mm | 76.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1180 kg | 1030 kg |
| Vehicle Length | 4010 mm | 3950 mm |
| Vehicle Width | 1540 mm | 1540 mm |
| Vehicle Height | 1250 mm | 1310 mm |
| Wheelbase Size | 2340 mm | 2190 mm |
| Fuel Tank Capacity | 54 L | 40 L |
