1996 Opel Calibra vs. 1986 Renault 21
To start off, 1996 Opel Calibra is newer by 10 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 1,998 cc (4 cylinders), 1996 Opel Calibra is equipped with a bigger engine. In terms of performance, 1986 Renault 21 (175 HP @ 5200 RPM) has 60 more horse power than 1996 Opel Calibra. (115 HP @ 5200 RPM) In normal driving conditions, 1986 Renault 21 should accelerate faster than 1996 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Renault 21 weights approximately 155 kg more than 1996 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, 1986 Renault 21 (275 Nm @ 3000 RPM) has 102 more torque (in Nm) than 1996 Opel Calibra. (173 Nm @ 2600 RPM). This means 1986 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1996 Opel Calibra.
Compare all specifications:
| 1996 Opel Calibra | 1986 Renault 21 | |
| Make | Opel | Renault |
| Model | Calibra | 21 |
| Year Released | 1996 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 175 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 173 Nm | 275 Nm |
| Torque RPM | 2600 RPM | 3000 RPM |
| Engine Bore Size | 86.1 mm | 88 mm |
| Engine Stroke Size | 86 mm | 82 mm |
| Engine Compression Ratio | 9.2:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1190 kg | 1345 kg |
| Vehicle Length | 4500 mm | 4540 mm |
| Vehicle Width | 1700 mm | 1730 mm |
| Vehicle Height | 1610 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2670 mm |
