1955 Alvis TC 21 vs. 1976 Holden Sunbird
To start off, 1976 Holden Sunbird is newer by 21 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 8 more horse power than 1976 Holden Sunbird. (97 HP @ 5200 RPM). In normal driving conditions, 1955 Alvis TC 21 should accelerate faster than 1976 Holden Sunbird. With that said, vehicle weight also plays an important factor in acceleration. 1955 Alvis TC 21 weights approximately 290 kg more than 1976 Holden Sunbird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 64 more torque (in Nm) than 1976 Holden Sunbird. (157 Nm @ 3600 RPM). This means 1955 Alvis TC 21 will have an easier job in driving up hills or pulling heavy equipment than 1976 Holden Sunbird.
Compare all specifications:
| 1955 Alvis TC 21 | 1976 Holden Sunbird | |
| Make | Alvis | Holden |
| Model | TC 21 | Sunbird |
| Year Released | 1955 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1897 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 97 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 221 Nm | 157 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1450 kg | 1160 kg |
| Vehicle Length | 4810 mm | 4500 mm |
| Vehicle Width | 1680 mm | 1710 mm |
| Vehicle Height | 1590 mm | 1340 mm |
| Wheelbase Size | 2840 mm | 2590 mm |
