1952 Alvis TB 21 vs. 2005 Opel Zafira
To start off, 2005 Opel Zafira is newer by 53 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, 2005 Opel Zafira (145 HP @ 5800 RPM) has 54 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Zafira should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 1 more torque (in Nm) than 2005 Opel Zafira. (203 Nm @ 4000 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Zafira.
Compare all specifications:
| 1952 Alvis TB 21 | 2005 Opel Zafira | |
| Make | Alvis | Opel |
| Model | TB 21 | Zafira |
| Year Released | 1952 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 2196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 145 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 204 Nm | 203 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 94.6 mm |
| Engine Compression Ratio | 7.1:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4320 mm |
| Vehicle Width | 1680 mm | 1750 mm |
| Wheelbase Size | 2750 mm | 2610 mm |
