1967 AC 428 vs. 1964 Sunbeam Alpine
To start off, 1967 AC 428 is newer by 3 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 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1967 AC 428 (345 HP @ 4600 RPM) has 266 more horse power than 1964 Sunbeam Alpine. (79 HP @ 5000 RPM). In normal driving conditions, 1967 AC 428 should accelerate faster than 1964 Sunbeam Alpine. With that said, vehicle weight also plays an important factor in acceleration. 1967 AC 428 weights approximately 483 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, 1967 AC 428 (626 Nm @ 2800 RPM) has 498 more torque (in Nm) than 1964 Sunbeam Alpine. (128 Nm @ 3500 RPM). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1964 Sunbeam Alpine.
Compare all specifications:
| 1967 AC 428 | 1964 Sunbeam Alpine | |
| Make | AC | Sunbeam |
| Model | 428 | Alpine |
| Year Released | 1967 | 1964 |
| Engine Position | Front | Front |
| Engine Size | 7010 cc | 1592 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 345 HP | 79 HP |
| Engine RPM | 4600 RPM | 5000 RPM |
| Torque | 626 Nm | 128 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Engine Bore Size | 105 mm | 81.5 mm |
| Engine Stroke Size | 101.2 mm | 76.2 mm |
| Engine Compression Ratio | 10.5:1 | 9.1:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1483 kg | 1000 kg |
| Vehicle Length | 4520 mm | 3950 mm |
| Vehicle Width | 1710 mm | 1540 mm |
| Vehicle Height | 1260 mm | 1310 mm |
| Wheelbase Size | 2440 mm | 2190 mm |
| Fuel Tank Capacity | 85 L | 40 L |
