1975 MG MGB vs. 1992 Opel Calibra
To start off, 1992 Opel Calibra is newer by 17 year(s). Which means there will be less support and parts availability for 1975 MG MGB. In addition, the cost of maintenance, including insurance, on 1975 MG MGB would be higher. At 1,998 cc (4 cylinders), 1992 Opel Calibra is equipped with a bigger engine. In terms of performance, 1992 Opel Calibra (115 HP @ 5200 RPM) has 18 more horse power than 1975 MG MGB. (97 HP @ 5400 RPM) In normal driving conditions, 1992 Opel Calibra should accelerate faster than 1975 MG MGB.
Let's talk about torque, 1992 Opel Calibra (173 Nm @ 2600 RPM) has 24 more torque (in Nm) than 1975 MG MGB. (149 Nm @ 3000 RPM). This means 1992 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1975 MG MGB.
Compare all specifications:
| 1975 MG MGB | 1992 Opel Calibra | |
| Make | MG | Opel |
| Model | MGB | Calibra |
| Year Released | 1975 | 1992 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 97 HP | 115 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 149 Nm | 173 Nm |
| Torque RPM | 3000 RPM | 2600 RPM |
| Engine Bore Size | 80.3 mm | 86 mm |
| Engine Stroke Size | 88.9 mm | 86 mm |
| Engine Compression Ratio | 8.0:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
