1978 Opel Kadett vs. 1966 Willys-Overland Aero-Willys 2600
To start off, 1978 Opel Kadett is newer by 12 year(s). Which means there will be less support and parts availability for 1966 Willys-Overland Aero-Willys 2600. In addition, the cost of maintenance, including insurance, on 1966 Willys-Overland Aero-Willys 2600 would be higher. At 2,638 cc (6 cylinders), 1966 Willys-Overland Aero-Willys 2600 is equipped with a bigger engine. In terms of performance, 1966 Willys-Overland Aero-Willys 2600 (108 HP @ 4400 RPM) has 57 more horse power than 1978 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 1966 Willys-Overland Aero-Willys 2600 should accelerate faster than 1978 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1966 Willys-Overland Aero-Willys 2600 weights approximately 540 kg more than 1978 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 Willys-Overland Aero-Willys 2600 (194 Nm @ 2000 RPM) has 114 more torque (in Nm) than 1978 Opel Kadett. (80 Nm @ 3400 RPM). This means 1966 Willys-Overland Aero-Willys 2600 will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Kadett.
Compare all specifications:
| 1978 Opel Kadett | 1966 Willys-Overland Aero-Willys 2600 | |
| Make | Opel | Willys-Overland |
| Model | Kadett | Aero-Willys 2600 |
| Year Released | 1978 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 1194 cc | 2638 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 108 HP |
| Engine RPM | 5600 RPM | 4400 RPM |
| Torque | 80 Nm | 194 Nm |
| Torque RPM | 3400 RPM | 2000 RPM |
| Engine Bore Size | 79 mm | 79.4 mm |
| Engine Stroke Size | 61 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 820 kg | 1360 kg |
| Vehicle Length | 4150 mm | 4820 mm |
| Vehicle Width | 1590 mm | 1850 mm |
| Vehicle Height | 1390 mm | 1530 mm |
| Wheelbase Size | 2410 mm | 2740 mm |
