1970 AC 428 vs. 1983 Opel Kadett
To start off, 1983 Opel Kadett is newer by 13 year(s). Which means there will be less support and parts availability for 1970 AC 428. In addition, the cost of maintenance, including insurance, on 1970 AC 428 would be higher. At 7,003 cc (8 cylinders), 1970 AC 428 is equipped with a bigger engine. In terms of performance, 1970 AC 428 (298 HP @ 4600 RPM) has 183 more horse power than 1983 Opel Kadett. (115 HP @ 5800 RPM). In normal driving conditions, 1970 AC 428 should accelerate faster than 1983 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1970 AC 428 weights approximately 425 kg more than 1983 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 AC 428 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1970 AC 428. However, in wet, icy, snow, or gravel driving conditions, 1983 Opel Kadett, being front wheel drive (FWD), will offer much better control with better grip. 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, 1970 AC 428 (640 Nm @ 2800 RPM) has 490 more torque (in Nm) than 1983 Opel Kadett. (150 Nm @ 4800 RPM). This means 1970 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1983 Opel Kadett.
Compare all specifications:
| 1970 AC 428 | 1983 Opel Kadett | |
| Make | AC | Opel |
| Model | 428 | Kadett |
| Year Released | 1970 | 1983 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 115 HP |
| Engine RPM | 4600 RPM | 5800 RPM |
| Torque | 640 Nm | 150 Nm |
| Torque RPM | 2800 RPM | 4800 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1005 kg |
| Vehicle Length | 4430 mm | 4000 mm |
| Vehicle Width | 1710 mm | 1660 mm |
| Vehicle Height | 1310 mm | 1390 mm |
| Wheelbase Size | 2450 mm | 2530 mm |
