1971 AC 428 vs. 1966 Opel Rekord
To start off, 1971 AC 428 is newer by 5 year(s). Which means there will be less support and parts availability for 1966 Opel Rekord. In addition, the cost of maintenance, including insurance, on 1966 Opel Rekord 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 239 more horse power than 1966 Opel Rekord. (59 HP @ 4600 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1966 Opel Rekord. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 320 kg more than 1966 Opel Rekord. 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 521 more torque (in Nm) than 1966 Opel Rekord. (118 Nm @ 5300 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1966 Opel Rekord.
Compare all specifications:
| 1971 AC 428 | 1966 Opel Rekord | |
| Make | AC | Opel |
| Model | 428 | Rekord |
| Year Released | 1971 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 1696 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 59 HP |
| Engine RPM | 4600 RPM | 4600 RPM |
| Torque | 639 Nm | 118 Nm |
| Torque RPM | 2800 RPM | 5300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1110 kg |
| Vehicle Length | 4430 mm | 4560 mm |
| Vehicle Width | 1710 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2450 mm | 2640 mm |
