1981 BMW 745 vs. 1961 Riley One-Point-Five
To start off, 1981 BMW 745 is newer by 20 year(s). Which means there will be less support and parts availability for 1961 Riley One-Point-Five. In addition, the cost of maintenance, including insurance, on 1961 Riley One-Point-Five would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 190 more horse power than 1961 Riley One-Point-Five. (62 HP @ 4500 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 1961 Riley One-Point-Five. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 655 kg more than 1961 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 268 more torque (in Nm) than 1961 Riley One-Point-Five. (112 Nm @ 3000 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1961 Riley One-Point-Five.
Compare all specifications:
| 1981 BMW 745 | 1961 Riley One-Point-Five | |
| Make | BMW | Riley |
| Model | 745 | One-Point-Five |
| Year Released | 1981 | 1961 |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 1489 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 62 HP |
| Engine RPM | 5200 RPM | 4500 RPM |
| Torque | 380 Nm | 112 Nm |
| Torque RPM | 2200 RPM | 3000 RPM |
| Engine Bore Size | 92 mm | 73 mm |
| Engine Stroke Size | 86 mm | 88.9 mm |
| Engine Compression Ratio | 8.0:1 | 7.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1590 kg | 935 kg |
| Vehicle Length | 4870 mm | 3890 mm |
| Vehicle Width | 1810 mm | 1560 mm |
| Vehicle Height | 1440 mm | 1530 mm |
| Wheelbase Size | 2800 mm | 2190 mm |
| Fuel Tank Capacity | 100 L | 31 L |
