1977 BMW 732 vs. 1995 Opel Calibra
To start off, 1995 Opel Calibra is newer by 18 year(s). Which means there will be less support and parts availability for 1977 BMW 732. In addition, the cost of maintenance, including insurance, on 1977 BMW 732 would be higher. At 3,210 cc (6 cylinders), 1977 BMW 732 is equipped with a bigger engine. In terms of performance, 1977 BMW 732 (194 HP @ 5500 RPM) has 79 more horse power than 1995 Opel Calibra. (115 HP @ 5200 RPM). In normal driving conditions, 1977 BMW 732 should accelerate faster than 1995 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 732 weights approximately 350 kg more than 1995 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, 1977 BMW 732 (290 Nm @ 4300 RPM) has 120 more torque (in Nm) than 1995 Opel Calibra. (170 Nm @ 2600 RPM). This means 1977 BMW 732 will have an easier job in driving up hills or pulling heavy equipment than 1995 Opel Calibra.
Compare all specifications:
| 1977 BMW 732 | 1995 Opel Calibra | |
| Make | BMW | Opel |
| Model | 732 | Calibra |
| Year Released | 1977 | 1995 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3210 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 194 HP | 115 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 290 Nm | 170 Nm |
| Torque RPM | 4300 RPM | 2600 RPM |
| Engine Bore Size | 89 mm | 86 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 9.3:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1190 kg |
| Vehicle Length | 4870 mm | 4500 mm |
| Vehicle Width | 1810 mm | 1700 mm |
| Vehicle Height | 1440 mm | 1610 mm |
| Wheelbase Size | 2800 mm | 2610 mm |
