1973 Mercury Montego vs. 1991 Opel Calibra
To start off, 1991 Opel Calibra is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Mercury Montego. In addition, the cost of maintenance, including insurance, on 1973 Mercury Montego would be higher. At 4,095 cc (6 cylinders), 1973 Mercury Montego is equipped with a bigger engine. In terms of performance, 1991 Opel Calibra (201 HP @ 5600 RPM) has 105 more horse power than 1973 Mercury Montego. (96 HP @ 3600 RPM) In normal driving conditions, 1991 Opel Calibra should accelerate faster than 1973 Mercury Montego. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercury Montego weights approximately 272 kg more than 1991 Opel Calibra.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 1973 Mercury Montego. In wet, icy, snow, or gravel driving conditions, 1991 Opel Calibra will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1991 Opel Calibra (280 Nm @ 2400 RPM) has 32 more torque (in Nm) than 1973 Mercury Montego. (248 Nm @ 1600 RPM). This means 1991 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1973 Mercury Montego.
Compare all specifications:
| 1973 Mercury Montego | 1991 Opel Calibra | |
| Make | Mercury | Opel |
| Model | Montego | Calibra |
| Year Released | 1973 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4095 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 96 HP | 201 HP |
| Engine RPM | 3600 RPM | 5600 RPM |
| Torque | 248 Nm | 280 Nm |
| Torque RPM | 1600 RPM | 2400 RPM |
| Engine Compression Ratio | 8.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 6 seats | 4 seats |
| Vehicle Weight | 1695 kg | 1423 kg |
| Vehicle Length | 5300 mm | 4500 mm |
| Vehicle Width | 2010 mm | 1700 mm |
| Vehicle Height | 1350 mm | 1610 mm |
| Wheelbase Size | 3010 mm | 2450 mm |
