1973 AC 428 vs. 1978 Alfa Romeo Alfetta
To start off, 1978 Alfa Romeo Alfetta is newer by 5 year(s). Which means there will be less support and parts availability for 1973 AC 428. In addition, the cost of maintenance, including insurance, on 1973 AC 428 would be higher. At 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 1973 AC 428 (298 HP @ 4600 RPM) has 154 more horse power than 1978 Alfa Romeo Alfetta. (144 HP @ 6500 RPM). In normal driving conditions, 1973 AC 428 should accelerate faster than 1978 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 1973 AC 428 weights approximately 80 kg more than 1978 Alfa Romeo Alfetta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 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 1973 AC 428. However, in wet, icy, snow, or gravel driving conditions, 1978 Alfa Romeo Alfetta, 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, 1973 AC 428 (639 Nm @ 2800 RPM) has 470 more torque (in Nm) than 1978 Alfa Romeo Alfetta. (169 Nm @ 3500 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Alfetta.
Compare all specifications:
| 1973 AC 428 | 1978 Alfa Romeo Alfetta | |
| Make | AC | Alfa Romeo |
| Model | 428 | Alfetta |
| Year Released | 1973 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 7002 cc | 1747 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 144 HP |
| Engine RPM | 4600 RPM | 6500 RPM |
| Torque | 639 Nm | 169 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1350 kg |
| Vehicle Length | 4430 mm | 4290 mm |
| Vehicle Width | 1710 mm | 1790 mm |
| Vehicle Height | 1310 mm | 1320 mm |
| Wheelbase Size | 2450 mm | 2550 mm |
