2002 Opel Zafira vs. 1970 Riley 4
To start off, 2002 Opel Zafira is newer by 32 year(s). Which means there will be less support and parts availability for 1970 Riley 4. In addition, the cost of maintenance, including insurance, on 1970 Riley 4 would be higher. At 1,622 cc (4 cylinders), 1970 Riley 4 is equipped with a bigger engine. In terms of performance, 2002 Opel Zafira (102 HP @ 6200 RPM) has 35 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 2002 Opel Zafira should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Zafira weights approximately 242 kg more than 1970 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 Riley 4 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 1970 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 2002 Opel Zafira, 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, 2002 Opel Zafira (150 Nm @ 3600 RPM) has 30 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 2002 Opel Zafira will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 2002 Opel Zafira | 1970 Riley 4 | |
| Make | Opel | Riley |
| Model | Zafira | 4 |
| Year Released | 2002 | 1970 |
| Body Type | Minivan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 102 HP | 67 HP |
| Engine RPM | 6200 RPM | 5000 RPM |
| Torque | 150 Nm | 120 Nm |
| Torque RPM | 3600 RPM | 2500 RPM |
| Engine Bore Size | 79 mm | 76.2 mm |
| Engine Stroke Size | 81.5 mm | 88.9 mm |
| Engine Compression Ratio | 10.5:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1148 kg |
| Vehicle Length | 4320 mm | 4540 mm |
| Vehicle Width | 1750 mm | 1620 mm |
| Vehicle Height | 1690 mm | 1510 mm |
| Wheelbase Size | 2700 mm | 2530 mm |
| Fuel Tank Capacity | 58 L | 45 L |
