1989 Alfa Romeo 75 vs. 1993 Opel Calibra
To start off, 1993 Opel Calibra is newer by 4 year(s). Which means there will be less support and parts availability for 1989 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1989 Alfa Romeo 75 would be higher. At 2,393 cc (4 cylinders), 1989 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1993 Opel Calibra (115 HP @ 5200 RPM) has 6 more horse power than 1989 Alfa Romeo 75. (109 HP @ 4200 RPM) In normal driving conditions, 1993 Opel Calibra should accelerate faster than 1989 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 1989 Alfa Romeo 75 weights approximately 66 kg more than 1993 Opel Calibra.
Let's talk about torque, 1989 Alfa Romeo 75 (235 Nm @ 2400 RPM) has 62 more torque (in Nm) than 1993 Opel Calibra. (173 Nm @ 2600 RPM). This means 1989 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 1993 Opel Calibra.
Compare all specifications:
| 1989 Alfa Romeo 75 | 1993 Opel Calibra | |
| Make | Alfa Romeo | Opel |
| Model | 75 | Calibra |
| Year Released | 1989 | 1993 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 115 HP |
| Engine RPM | 4200 RPM | 5200 RPM |
| Torque | 235 Nm | 173 Nm |
| Torque RPM | 2400 RPM | 2600 RPM |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 22.0:1 | 9.2:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1260 kg | 1194 kg |
| Vehicle Length | 4340 mm | 4500 mm |
| Vehicle Width | 1670 mm | 1700 mm |
| Vehicle Height | 1410 mm | 1610 mm |
| Wheelbase Size | 2520 mm | 2610 mm |
