1951 Alvis TB 21 vs. 1970 Lancia Stratos
To start off, 1970 Lancia Stratos is newer by 19 year(s). Which means there will be less support and parts availability for 1951 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1970 Lancia Stratos (115 HP @ 6000 RPM) has 24 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1970 Lancia Stratos should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 51 more torque (in Nm) than 1970 Lancia Stratos. (153 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1970 Lancia Stratos.
Compare all specifications:
| 1951 Alvis TB 21 | 1970 Lancia Stratos | |
| Make | Alvis | Lancia |
| Model | TB 21 | Stratos |
| Year Released | 1951 | 1970 |
| Engine Position | Front | Middle |
| Engine Size | 2993 cc | 1584 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 115 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 153 Nm |
| Engine Bore Size | 84 mm | 82 mm |
| Engine Stroke Size | 90 mm | 74.9 mm |
| Engine Compression Ratio | 7.1:1 | 10.5:1 |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 3680 mm |
| Vehicle Width | 1680 mm | 1710 mm |
| Wheelbase Size | 2750 mm | 2170 mm |
