1961 Berkeley Twosome vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 44 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 2,171 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (124 HP @ 3250 RPM) has 75 more horse power than 1961 Berkeley Twosome. (49 HP @ 6250 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1961 Berkeley Twosome. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 1242 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, 2005 Opel Vectra (280 Nm @ 1500 RPM) has 219 more torque (in Nm) than 1961 Berkeley Twosome. (61 Nm @ 4000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1961 Berkeley Twosome.
Compare all specifications:
| 1961 Berkeley Twosome | 2005 Opel Vectra | |
| Make | Berkeley | Opel |
| Model | Twosome | Vectra |
| Year Released | 1961 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 692 cc | 2171 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 49 HP | 124 HP |
| Engine RPM | 6250 RPM | 3250 RPM |
| Torque | 61 Nm | 280 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Bore Size | 70.1 mm | 84 mm |
| Engine Stroke Size | 90 mm | 98 mm |
| Engine Compression Ratio | 8.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 318 kg | 1560 kg |
| Vehicle Length | 3130 mm | 4830 mm |
| Vehicle Width | 1280 mm | 1800 mm |
| Vehicle Height | 1060 mm | 1510 mm |
| Wheelbase Size | 1780 mm | 2840 mm |
| Fuel Tank Capacity | 25 L | 60 L |
