1977 Opel Monza vs. 1965 Riley One-Point-Five
To start off, 1977 Opel Monza is newer by 12 year(s). Which means there will be less support and parts availability for 1965 Riley One-Point-Five. In addition, the cost of maintenance, including insurance, on 1965 Riley One-Point-Five would be higher. At 2,969 cc (6 cylinders), 1977 Opel Monza is equipped with a bigger engine. In terms of performance, 1977 Opel Monza (180 HP @ 5800 RPM) has 118 more horse power than 1965 Riley One-Point-Five. (62 HP @ 4500 RPM). In normal driving conditions, 1977 Opel Monza should accelerate faster than 1965 Riley One-Point-Five. With that said, vehicle weight also plays an important factor in acceleration. 1977 Opel Monza weights approximately 432 kg more than 1965 Riley One-Point-Five. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1977 Opel Monza (248 Nm @ 4200 RPM) has 136 more torque (in Nm) than 1965 Riley One-Point-Five. (112 Nm @ 3000 RPM). This means 1977 Opel Monza will have an easier job in driving up hills or pulling heavy equipment than 1965 Riley One-Point-Five.
Compare all specifications:
| 1977 Opel Monza | 1965 Riley One-Point-Five | |
| Make | Opel | Riley |
| Model | Monza | One-Point-Five |
| Year Released | 1977 | 1965 |
| Engine Position | Front | Front |
| Engine Size | 2969 cc | 1489 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 180 HP | 62 HP |
| Engine RPM | 5800 RPM | 4500 RPM |
| Torque | 248 Nm | 112 Nm |
| Torque RPM | 4200 RPM | 3000 RPM |
| Engine Bore Size | 95 mm | 73 mm |
| Engine Stroke Size | 69.8 mm | 88.9 mm |
| Engine Compression Ratio | 9.4:1 | 8.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1367 kg | 935 kg |
| Vehicle Length | 4730 mm | 3890 mm |
| Vehicle Width | 1730 mm | 1560 mm |
| Vehicle Height | 1350 mm | 1530 mm |
| Wheelbase Size | 2670 mm | 2190 mm |
