1975 Opel Kadett vs. 1966 Vauxhall Viscount
To start off, 1975 Opel Kadett is newer by 9 year(s). Which means there will be less support and parts availability for 1966 Vauxhall Viscount. In addition, the cost of maintenance, including insurance, on 1966 Vauxhall Viscount would be higher. At 3,294 cc (6 cylinders), 1966 Vauxhall Viscount is equipped with a bigger engine. In terms of performance, 1966 Vauxhall Viscount (122 HP @ 4600 RPM) has 71 more horse power than 1975 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 1966 Vauxhall Viscount should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1966 Vauxhall Viscount weights approximately 560 kg more than 1975 Opel Kadett. 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 Vauxhall Viscount (241 Nm @ 2400 RPM) has 160 more torque (in Nm) than 1975 Opel Kadett. (81 Nm @ 3400 RPM). This means 1966 Vauxhall Viscount will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett. 1975 Opel Kadett has automatic transmission and 1966 Vauxhall Viscount has manual transmission. 1966 Vauxhall Viscount will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Opel Kadett will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Opel Kadett | 1966 Vauxhall Viscount | |
| Make | Opel | Vauxhall |
| Model | Kadett | Viscount |
| Year Released | 1975 | 1966 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 3294 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 122 HP |
| Engine RPM | 5600 RPM | 4600 RPM |
| Torque | 81 Nm | 241 Nm |
| Torque RPM | 3400 RPM | 2400 RPM |
| Engine Bore Size | 79 mm | 92 mm |
| Engine Stroke Size | 61 mm | 82.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 820 kg | 1380 kg |
| Vehicle Length | 4150 mm | 4760 mm |
| Vehicle Width | 1590 mm | 1780 mm |
| Vehicle Height | 1340 mm | 1430 mm |
| Wheelbase Size | 2410 mm | 2740 mm |
