1990 BMW 525 vs. 1975 Sunbeam Rapier
To start off, 1990 BMW 525 is newer by 15 year(s). Which means there will be less support and parts availability for 1975 Sunbeam Rapier. In addition, the cost of maintenance, including insurance, on 1975 Sunbeam Rapier would be higher. At 2,494 cc (6 cylinders), 1990 BMW 525 is equipped with a bigger engine. In terms of performance, 1990 BMW 525 (185 HP @ 5900 RPM) has 106 more horse power than 1975 Sunbeam Rapier. (79 HP @ 5200 RPM). In normal driving conditions, 1990 BMW 525 should accelerate faster than 1975 Sunbeam Rapier. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 525 weights approximately 545 kg more than 1975 Sunbeam Rapier. 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, 1990 BMW 525 (240 Nm @ 4700 RPM) has 114 more torque (in Nm) than 1975 Sunbeam Rapier. (126 Nm @ 3800 RPM). This means 1990 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1975 Sunbeam Rapier.
Compare all specifications:
1990 BMW 525 | 1975 Sunbeam Rapier | |
Make | BMW | Sunbeam |
Model | 525 | Rapier |
Year Released | 1990 | 1975 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2494 cc | 1725 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 185 HP | 79 HP |
Engine RPM | 5900 RPM | 5200 RPM |
Torque | 240 Nm | 126 Nm |
Torque RPM | 4700 RPM | 3800 RPM |
Engine Bore Size | 84 mm | 81.5 mm |
Engine Stroke Size | 75 mm | 82.7 mm |
Engine Compression Ratio | 10.0:1 | 9.2:1 |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1575 kg | 1030 kg |
Vehicle Length | 4730 mm | 4440 mm |
Vehicle Width | 1760 mm | 1670 mm |
Vehicle Height | 1420 mm | 1390 mm |
Wheelbase Size | 2770 mm | 2510 mm |