1955 Alvis TC 21 vs. 1961 Berkeley Twosome
To start off, 1961 Berkeley Twosome is newer by 6 year(s). Which means there will be less support and parts availability for 1955 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1955 Alvis TC 21 would be higher. At 2,993 cc (6 cylinders), 1955 Alvis TC 21 is equipped with a bigger engine. In terms of performance, 1955 Alvis TC 21 (105 HP @ 4000 RPM) has 56 more horse power than 1961 Berkeley Twosome. (49 HP @ 6250 RPM). In normal driving conditions, 1955 Alvis TC 21 should accelerate faster than 1961 Berkeley Twosome. With that said, vehicle weight also plays an important factor in acceleration. 1955 Alvis TC 21 weights approximately 1132 kg more than 1961 Berkeley Twosome. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1955 Alvis TC 21 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1955 Alvis TC 21. However, in wet, icy, snow, or gravel driving conditions, 1961 Berkeley Twosome, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1955 Alvis TC 21 (221 Nm @ 2500 RPM) has 160 more torque (in Nm) than 1961 Berkeley Twosome. (61 Nm @ 4000 RPM). This means 1955 Alvis TC 21 will have an easier job in driving up hills or pulling heavy equipment than 1961 Berkeley Twosome.
Compare all specifications:
| 1955 Alvis TC 21 | 1961 Berkeley Twosome | |
| Make | Alvis | Berkeley |
| Model | TC 21 | Twosome |
| Year Released | 1955 | 1961 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 692 cc |
| Engine Cylinders | 6 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 105 HP | 49 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 221 Nm | 61 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 70.1 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 8.0:1 | 8.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1450 kg | 318 kg |
| Vehicle Length | 4810 mm | 3130 mm |
| Vehicle Width | 1680 mm | 1280 mm |
| Vehicle Height | 1590 mm | 1060 mm |
| Wheelbase Size | 2840 mm | 1780 mm |
