1955 Alvis TC 21 vs. 1975 Opel Kadett
To start off, 1975 Opel Kadett is newer by 20 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 54 more horse power than 1975 Opel Kadett. (51 HP @ 5600 RPM). In normal driving conditions, 1955 Alvis TC 21 should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1955 Alvis TC 21 weights approximately 630 kg more than 1975 Opel Kadett. 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 140 more torque (in Nm) than 1975 Opel Kadett. (81 Nm @ 3400 RPM). This means 1955 Alvis TC 21 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett. 1975 Opel Kadett has automatic transmission and 1955 Alvis TC 21 has manual transmission. 1955 Alvis TC 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Opel Kadett will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Alvis TC 21 | 1975 Opel Kadett | |
| Make | Alvis | Opel |
| Model | TC 21 | Kadett |
| Year Released | 1955 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 51 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 221 Nm | 81 Nm |
| Torque RPM | 2500 RPM | 3400 RPM |
| Engine Bore Size | 84 mm | 79 mm |
| Engine Stroke Size | 90 mm | 61 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1450 kg | 820 kg |
| Vehicle Length | 4810 mm | 4150 mm |
| Vehicle Width | 1680 mm | 1590 mm |
| Vehicle Height | 1590 mm | 1340 mm |
| Wheelbase Size | 2840 mm | 2410 mm |
