1993 Opel Calibra vs. 1977 Pontiac Firebird
To start off, 1993 Opel Calibra is newer by 16 year(s). Which means there will be less support and parts availability for 1977 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Firebird would be higher. At 5,700 cc (8 cylinders), 1977 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1977 Pontiac Firebird (158 HP @ 4400 RPM) has 43 more horse power than 1993 Opel Calibra. (115 HP @ 5200 RPM) In normal driving conditions, 1977 Pontiac Firebird should accelerate faster than 1993 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1977 Pontiac Firebird weights approximately 402 kg more than 1993 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 Pontiac Firebird (366 Nm @ 2000 RPM) has 193 more torque (in Nm) than 1993 Opel Calibra. (173 Nm @ 2600 RPM). This means 1977 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1993 Opel Calibra.
Compare all specifications:
| 1993 Opel Calibra | 1977 Pontiac Firebird | |
| Make | Opel | Pontiac |
| Model | Calibra | Firebird |
| Year Released | 1993 | 1977 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 5700 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 115 HP | 158 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 173 Nm | 366 Nm |
| Torque RPM | 2600 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1194 kg | 1596 kg |
| Vehicle Length | 4500 mm | 4880 mm |
| Vehicle Width | 1700 mm | 1870 mm |
| Vehicle Height | 1610 mm | 1290 mm |
| Wheelbase Size | 2610 mm | 2750 mm |
