1961 Berkeley Twosome vs. 2006 Opel Zafira
To start off, 2006 Opel Zafira is newer by 45 year(s). Which means there will be less support and parts availability for 1961 Berkeley Twosome. In addition, the cost of maintenance, including insurance, on 1961 Berkeley Twosome would be higher. At 1,998 cc (4 cylinders), 2006 Opel Zafira is equipped with a bigger engine. In terms of performance, 2006 Opel Zafira (197 HP @ 5600 RPM) has 148 more horse power than 1961 Berkeley Twosome. (49 HP @ 6250 RPM) In normal driving conditions, 2006 Opel Zafira should accelerate faster than 1961 Berkeley Twosome. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Zafira weights approximately 1222 kg more than 1961 Berkeley Twosome. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Opel Zafira (262 Nm @ 4200 RPM) has 201 more torque (in Nm) than 1961 Berkeley Twosome. (61 Nm @ 4000 RPM). This means 2006 Opel Zafira will have an easier job in driving up hills or pulling heavy equipment than 1961 Berkeley Twosome.
Compare all specifications:
| 1961 Berkeley Twosome | 2006 Opel Zafira | |
| Make | Berkeley | Opel |
| Model | Twosome | Zafira |
| Year Released | 1961 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 692 cc | 1998 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 49 HP | 197 HP |
| Engine RPM | 6250 RPM | 5600 RPM |
| Torque | 61 Nm | 262 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Engine Bore Size | 70.1 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 8.0:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 318 kg | 1540 kg |
| Vehicle Length | 3130 mm | 4320 mm |
| Vehicle Width | 1280 mm | 1750 mm |
| Vehicle Height | 1060 mm | 1640 mm |
| Wheelbase Size | 1780 mm | 2700 mm |
| Fuel Tank Capacity | 25 L | 58 L |
