1973 AC 428 vs. 1964 Fiat Grand Break
To start off, 1973 AC 428 is newer by 9 year(s). Which means there will be less support and parts availability for 1964 Fiat Grand Break. In addition, the cost of maintenance, including insurance, on 1964 Fiat Grand Break 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 202 more horse power than 1964 Fiat Grand Break. (96 HP @ 5300 RPM). In normal driving conditions, 1973 AC 428 should accelerate faster than 1964 Fiat Grand Break. With that said, vehicle weight also plays an important factor in acceleration. 1973 AC 428 weights approximately 160 kg more than 1964 Fiat Grand Break. 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, 1973 AC 428 (639 Nm @ 2800 RPM) has 497 more torque (in Nm) than 1964 Fiat Grand Break. (142 Nm @ 3000 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1964 Fiat Grand Break.
Compare all specifications:
| 1973 AC 428 | 1964 Fiat Grand Break | |
| Make | AC | Fiat |
| Model | 428 | Grand Break |
| Year Released | 1973 | 1964 |
| Engine Position | Front | Front |
| Engine Size | 7002 cc | 1795 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 96 HP |
| Engine RPM | 4600 RPM | 5300 RPM |
| Torque | 639 Nm | 142 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1270 kg |
| Vehicle Length | 4430 mm | 4490 mm |
| Vehicle Width | 1710 mm | 1630 mm |
| Vehicle Height | 1310 mm | 1490 mm |
| Wheelbase Size | 2450 mm | 2660 mm |
