1981 BMW 745 vs. 1995 Opel Calibra
To start off, 1995 Opel Calibra is newer by 14 year(s). Which means there will be less support and parts availability for 1981 BMW 745. In addition, the cost of maintenance, including insurance, on 1981 BMW 745 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 137 more horse power than 1995 Opel Calibra. (115 HP @ 5200 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 1995 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 400 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 210 more torque (in Nm) than 1995 Opel Calibra. (170 Nm @ 2600 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1995 Opel Calibra.
Compare all specifications:
1981 BMW 745 | 1995 Opel Calibra | |
Make | BMW | Opel |
Model | 745 | Calibra |
Year Released | 1981 | 1995 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 3430 cc | 1998 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 252 HP | 115 HP |
Engine RPM | 5200 RPM | 5200 RPM |
Torque | 380 Nm | 170 Nm |
Torque RPM | 2200 RPM | 2600 RPM |
Engine Bore Size | 92 mm | 86 mm |
Engine Stroke Size | 86 mm | 86 mm |
Engine Compression Ratio | 8.0:1 | 9.2:1 |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1590 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 |