1981 BMW 525 vs. 1992 Opel Calibra
To start off, 1992 Opel Calibra is newer by 11 year(s). Which means there will be less support and parts availability for 1981 BMW 525. In addition, the cost of maintenance, including insurance, on 1981 BMW 525 would be higher. At 2,495 cc (6 cylinders), 1981 BMW 525 is equipped with a bigger engine. In terms of performance, 1981 BMW 525 (148 HP @ 5500 RPM) has 33 more horse power than 1992 Opel Calibra. (115 HP @ 5200 RPM). In normal driving conditions, 1981 BMW 525 should accelerate faster than 1992 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 525 weights approximately 90 kg more than 1992 Opel Calibra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1981 BMW 525 (215 Nm @ 4000 RPM) has 42 more torque (in Nm) than 1992 Opel Calibra. (173 Nm @ 2600 RPM). This means 1981 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1992 Opel Calibra.
Compare all specifications:
1981 BMW 525 | 1992 Opel Calibra | |
Make | BMW | Opel |
Model | 525 | Calibra |
Year Released | 1981 | 1992 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2495 cc | 1998 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 148 HP | 115 HP |
Engine RPM | 5500 RPM | 5200 RPM |
Torque | 215 Nm | 173 Nm |
Torque RPM | 4000 RPM | 2600 RPM |
Engine Bore Size | 86.1 mm | 86 mm |
Engine Stroke Size | 71.6 mm | 86 mm |
Engine Compression Ratio | 9.6:1 | 9.2:1 |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1280 kg | 1190 kg |
Vehicle Length | 4780 mm | 4500 mm |
Vehicle Width | 1810 mm | 1700 mm |
Vehicle Height | 1440 mm | 1610 mm |
Wheelbase Size | 2630 mm | 2610 mm |