1991 Opel Astra vs. 1971 AC 428
To start off, 1991 Opel Astra is newer by 20 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 183 more horse power than 1991 Opel Astra. (115 HP @ 5200 RPM) In normal driving conditions, 1971 AC 428 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 380 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1971 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 1971 AC 428. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 470 more torque (in Nm) than 1991 Opel Astra. (169 Nm @ 2600 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 1971 AC 428 has automatic transmission and 1991 Opel Astra has manual transmission. 1991 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1971 AC 428 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Astra | 1971 AC 428 | |
| Make | Opel | AC |
| Model | Astra | 428 |
| Year Released | 1991 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 7003 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 298 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Torque | 169 Nm | 639 Nm |
| Torque RPM | 2600 RPM | 2800 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1050 kg | 1430 kg |
| Vehicle Length | 4090 mm | 4430 mm |
| Vehicle Width | 1690 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2650 mm | 2450 mm |
