1951 Alvis TB 21 vs. 2004 Opel Zafira
To start off, 2004 Opel Zafira is newer by 53 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, 2004 Opel Zafira (100 HP @ 4400 RPM) has 9 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2004 Opel Zafira should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2004 Opel Zafira (220 Nm) has 16 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2004 Opel Zafira will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
1951 Alvis TB 21 | 2004 Opel Zafira | |
Make | Alvis | Opel |
Model | TB 21 | Zafira |
Year Released | 1951 | 2004 |
Engine Position | Front | Front |
Engine Size | 2993 cc | 1998 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 91 HP | 100 HP |
Engine RPM | 4000 RPM | 4400 RPM |
Torque | 204 Nm | 220 Nm |
Engine Bore Size | 84 mm | 84 mm |
Engine Stroke Size | 90 mm | 90 mm |
Engine Compression Ratio | 7.1:1 | 18.5:1 |
Fuel Type | Gasoline | Diesel |
Number of Seats | 5 seats | 5 seats |
Vehicle Length | 4430 mm | 4320 mm |
Vehicle Width | 1680 mm | 1750 mm |
Wheelbase Size | 2750 mm | 2640 mm |