1971 AC 428 vs. 1956 Chrysler Imperial
To start off, 1971 AC 428 is newer by 15 year(s). Which means there will be less support and parts availability for 1956 Chrysler Imperial. In addition, the cost of maintenance, including insurance, on 1956 Chrysler Imperial 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 51 more horse power than 1956 Chrysler Imperial. (247 HP @ 4600 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1956 Chrysler Imperial. With that said, vehicle weight also plays an important factor in acceleration. 1956 Chrysler Imperial weights approximately 970 kg more than 1971 AC 428.
Let's talk about torque, 1971 AC 428 (639 Nm @ 2800 RPM) has 169 more torque (in Nm) than 1956 Chrysler Imperial. (470 Nm @ 2800 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1956 Chrysler Imperial.
Compare all specifications:
| 1971 AC 428 | 1956 Chrysler Imperial | |
| Make | AC | Chrysler |
| Model | 428 | Imperial |
| Year Released | 1971 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 5423 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 247 HP |
| Engine RPM | 4600 RPM | 4600 RPM |
| Torque | 639 Nm | 470 Nm |
| Torque RPM | 2800 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1430 kg | 2400 kg |
| Vehicle Length | 4430 mm | 6170 mm |
| Vehicle Width | 1710 mm | 2020 mm |
| Vehicle Height | 1310 mm | 1560 mm |
| Wheelbase Size | 2450 mm | 3800 mm |
