1987 BMW 750 vs. 1971 Riley 4
To start off, 1987 BMW 750 is newer by 16 year(s). Which means there will be less support and parts availability for 1971 Riley 4. In addition, the cost of maintenance, including insurance, on 1971 Riley 4 would be higher. At 4,986 cc (12 cylinders), 1987 BMW 750 is equipped with a bigger engine. In terms of performance, 1987 BMW 750 (297 HP @ 5200 RPM) has 230 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1987 BMW 750 should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1987 BMW 750 weights approximately 692 kg more than 1971 Riley 4. 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, 1987 BMW 750 (450 Nm @ 3900 RPM) has 329 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 1987 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
1987 BMW 750 | 1971 Riley 4 | |
Make | BMW | Riley |
Model | 750 | 4 |
Year Released | 1987 | 1971 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 4986 cc | 1622 cc |
Engine Cylinders | 12 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 297 HP | 67 HP |
Engine RPM | 5200 RPM | 5000 RPM |
Torque | 450 Nm | 121 Nm |
Torque RPM | 3900 RPM | 2500 RPM |
Engine Bore Size | 84 mm | 76.3 mm |
Engine Stroke Size | 75 mm | 88.9 mm |
Engine Compression Ratio | 8.8:1 | 8.3:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1840 kg | 1148 kg |
Vehicle Length | 4920 mm | 4540 mm |
Vehicle Width | 1850 mm | 1620 mm |
Vehicle Height | 1420 mm | 1510 mm |
Wheelbase Size | 2840 mm | 2530 mm |
Fuel Tank Capacity | 120 L | 45 L |