1967 AC 428 vs. 1975 Opel Ascona
To start off, 1975 Opel Ascona is newer by 8 year(s). Which means there will be less support and parts availability for 1967 AC 428. In addition, the cost of maintenance, including insurance, on 1967 AC 428 would be higher. At 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1967 AC 428 (345 HP @ 4600 RPM) has 255 more horse power than 1975 Opel Ascona. (90 HP @ 4800 RPM). In normal driving conditions, 1967 AC 428 should accelerate faster than 1975 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 1967 AC 428 weights approximately 481 kg more than 1975 Opel Ascona. 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, 1967 AC 428 (626 Nm @ 2800 RPM) has 480 more torque (in Nm) than 1975 Opel Ascona. (146 Nm @ 3800 RPM). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Ascona. 1967 AC 428 has automatic transmission and 1975 Opel Ascona has manual transmission. 1975 Opel Ascona will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1967 AC 428 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1967 AC 428 | 1975 Opel Ascona | |
| Make | AC | Opel |
| Model | 428 | Ascona |
| Year Released | 1967 | 1975 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7010 cc | 1897 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 345 HP | 90 HP |
| Engine RPM | 4600 RPM | 4800 RPM |
| Torque | 626 Nm | 146 Nm |
| Torque RPM | 2800 RPM | 3800 RPM |
| Engine Bore Size | 105 mm | 93 mm |
| Engine Stroke Size | 101.2 mm | 69.8 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1483 kg | 1002 kg |
| Vehicle Length | 4520 mm | 4130 mm |
| Vehicle Width | 1710 mm | 1630 mm |
| Vehicle Height | 1260 mm | 1390 mm |
| Wheelbase Size | 2440 mm | 2520 mm |
| Fuel Tank Capacity | 85 L | 50 L |
