1966 Jaguar 420G vs. 1977 Opel Monza
To start off, 1977 Opel Monza is newer by 11 year(s). Which means there will be less support and parts availability for 1966 Jaguar 420G. In addition, the cost of maintenance, including insurance, on 1966 Jaguar 420G would be higher. At 4,235 cc (6 cylinders), 1966 Jaguar 420G is equipped with a bigger engine. In terms of performance, 1966 Jaguar 420G (255 HP @ 5400 RPM) has 119 more horse power than 1977 Opel Monza. (136 HP @ 5600 RPM). In normal driving conditions, 1966 Jaguar 420G should accelerate faster than 1977 Opel Monza. With that said, vehicle weight also plays an important factor in acceleration. 1966 Jaguar 420G weights approximately 988 kg more than 1977 Opel Monza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1966 Jaguar 420G (373 Nm @ 4000 RPM) has 187 more torque (in Nm) than 1977 Opel Monza. (186 Nm @ 4600 RPM). This means 1966 Jaguar 420G will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Monza. 1977 Opel Monza has automatic transmission and 1966 Jaguar 420G has manual transmission. 1966 Jaguar 420G will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Opel Monza will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1966 Jaguar 420G | 1977 Opel Monza | |
| Make | Jaguar | Opel |
| Model | 420G | Monza |
| Year Released | 1966 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 4235 cc | 2490 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 255 HP | 136 HP |
| Engine RPM | 5400 RPM | 5600 RPM |
| Torque | 373 Nm | 186 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 92.1 mm | 87.1 mm |
| Engine Stroke Size | 106 mm | 69.8 mm |
| Engine Compression Ratio | 8.0:1 | 9.2:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1778 kg | 790 kg |
| Vehicle Length | 5140 mm | 4730 mm |
| Vehicle Width | 1910 mm | 1730 mm |
| Vehicle Height | 1390 mm | 1350 mm |
| Wheelbase Size | 3050 mm | 2670 mm |
| Fuel Tank Capacity | 90 L | 43 L |
