2006 GMC Sierra vs. 1975 AC 428
To start off, 2006 GMC Sierra is newer by 31 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 3 more horse power than 2006 GMC Sierra. (295 HP @ 5200 RPM) In normal driving conditions, 1975 AC 428 should accelerate faster than 2006 GMC Sierra.
Let's talk about torque, 1975 AC 428 (639 Nm @ 2800 RPM) has 185 more torque (in Nm) than 2006 GMC Sierra. (454 Nm @ 4000 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.
Compare all specifications:
| 2006 GMC Sierra | 1975 AC 428 | |
| Make | GMC | AC |
| Model | Sierra | 428 |
| Year Released | 2006 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 5358 cc | 7003 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 295 HP | 298 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Torque | 454 Nm | 639 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Fuel Type | Gasoline / Electric Hybrid | Gasoline |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5850 mm | 4430 mm |
| Vehicle Width | 2000 mm | 1710 mm |
| Vehicle Height | 1810 mm | 1310 mm |
| Wheelbase Size | 3650 mm | 2450 mm |
