1952 Alvis TB 21 vs. 1975 Tatra T603
To start off, 1975 Tatra T603 is newer by 23 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 2,992 cc (6 cylinders), 1952 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1975 Tatra T603 (104 HP @ 4500 RPM) has 13 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1975 Tatra T603 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 34 more torque (in Nm) than 1975 Tatra T603. (170 Nm @ 3500 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1975 Tatra T603.
Compare all specifications:
| 1952 Alvis TB 21 | 1975 Tatra T603 | |
| Make | Alvis | Tatra |
| Model | TB 21 | T603 |
| Year Released | 1952 | 1975 |
| Engine Position | Front | Rear |
| Engine Size | 2992 cc | 2472 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 91 HP | 104 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 204 Nm | 170 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 5070 mm |
| Vehicle Width | 1680 mm | 1920 mm |
| Wheelbase Size | 2750 mm | 2760 mm |
