1960 Berkeley Twosome vs. 1990 BMW Z1
To start off, 1990 BMW Z1 is newer by 30 year(s). Which means there will be less support and parts availability for 1960 Berkeley Twosome. In addition, the cost of maintenance, including insurance, on 1960 Berkeley Twosome would be higher. At 2,494 cc (6 cylinders), 1990 BMW Z1 is equipped with a bigger engine. In terms of performance, 1990 BMW Z1 (175 HP @ 5800 RPM) has 157 more horse power than 1960 Berkeley Twosome. (18 HP @ 5000 RPM) In normal driving conditions, 1990 BMW Z1 should accelerate faster than 1960 Berkeley Twosome. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW Z1 weights approximately 945 kg more than 1960 Berkeley Twosome. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 BMW Z1 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1990 BMW Z1. However, in wet, icy, snow, or gravel driving conditions, 1960 Berkeley Twosome, being front wheel drive (FWD), will offer much better control with better grip. 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, 1990 BMW Z1 (230 Nm @ 4000 RPM) has 193 more torque (in Nm) than 1960 Berkeley Twosome. (37 Nm @ 3000 RPM). This means 1990 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 1960 Berkeley Twosome.
Compare all specifications:
| 1960 Berkeley Twosome | 1990 BMW Z1 | |
| Make | Berkeley | BMW |
| Model | Twosome | Z1 |
| Year Released | 1960 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 328 cc | 2494 cc |
| Engine Cylinders | 2 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 18 HP | 175 HP |
| Engine RPM | 5000 RPM | 5800 RPM |
| Torque | 37 Nm | 230 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 58 mm | 82 mm |
| Engine Stroke Size | 62 mm | 78.8 mm |
| Engine Compression Ratio | 7.3:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Weight | 305 kg | 1250 kg |
| Vehicle Length | 3130 mm | 3960 mm |
| Vehicle Width | 1280 mm | 1810 mm |
| Vehicle Height | 1060 mm | 1280 mm |
| Wheelbase Size | 1790 mm | 2450 mm |
