1955 Alvis TC 21 vs. 1984 Audi 90
To start off, 1984 Audi 90 is newer by 29 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, 1984 Audi 90 (139 HP @ 5700 RPM) has 34 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 1984 Audi 90 should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 1955 Alvis TC 21 weights approximately 190 kg more than 1984 Audi 90.
Let's talk about torque, 1955 Alvis TC 21 (221 Nm @ 2500 RPM) has 31 more torque (in Nm) than 1984 Audi 90. (190 Nm @ 3500 RPM). This means 1955 Alvis TC 21 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1955 Alvis TC 21 | 1984 Audi 90 | |
| Make | Alvis | Audi |
| Model | TC 21 | 90 |
| Year Released | 1955 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2226 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 139 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 221 Nm | 190 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 90 mm | 86.4 mm |
| Vehicle Weight | 1450 kg | 1260 kg |
| Vehicle Length | 4810 mm | 4470 mm |
| Vehicle Width | 1680 mm | 1690 mm |
| Vehicle Height | 1590 mm | 1370 mm |
| Wheelbase Size | 2840 mm | 2550 mm |
