1975 AC 428 vs. 1977 Zastava 2101
To start off, 1977 Zastava 2101 is newer by 2 year(s). Which means there will be less support and parts availability for 1975 AC 428. In addition, the cost of maintenance, including insurance, on 1975 AC 428 would be higher. At 7,003 cc (8 cylinders), 1975 AC 428 is equipped with a bigger engine. In terms of performance, 1975 AC 428 (298 HP @ 4600 RPM) has 236 more horse power than 1977 Zastava 2101. (62 HP @ 5600 RPM). In normal driving conditions, 1975 AC 428 should accelerate faster than 1977 Zastava 2101. With that said, vehicle weight also plays an important factor in acceleration. 1975 AC 428 weights approximately 464 kg more than 1977 Zastava 2101. 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, 1975 AC 428 (639 Nm @ 2800 RPM) has 552 more torque (in Nm) than 1977 Zastava 2101. (87 Nm @ 3400 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1977 Zastava 2101.
Compare all specifications:
| 1975 AC 428 | 1977 Zastava 2101 | |
| Make | AC | Zastava |
| Model | 428 | 2101 |
| Year Released | 1975 | 1977 |
| Engine Size | 7003 cc | 1198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 62 HP |
| Engine RPM | 4600 RPM | 5600 RPM |
| Torque | 639 Nm | 87 Nm |
| Torque RPM | 2800 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1430 kg | 966 kg |
| Vehicle Length | 4430 mm | 4080 mm |
| Vehicle Width | 1710 mm | 1620 mm |
| Vehicle Height | 1310 mm | 1450 mm |
| Wheelbase Size | 2450 mm | 2430 mm |
