2008 GMC Sierra vs. 1973 AC 428
To start off, 2008 GMC Sierra is newer by 35 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, 2008 GMC Sierra (353 HP @ 5400 RPM) has 55 more horse power than 1973 AC 428. (298 HP @ 4600 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1973 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 711 kg more than 1973 AC 428. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1973 AC 428. In wet, icy, snow, or gravel driving conditions, 2008 GMC Sierra will offer significantly more control. 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 133 more torque (in Nm) than 2008 GMC Sierra. (506 Nm @ 4400 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Sierra.
Compare all specifications:
| 2008 GMC Sierra | 1973 AC 428 | |
| Make | GMC | AC |
| Model | Sierra | 428 |
| Year Released | 2008 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 7002 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 353 HP | 298 HP |
| Engine RPM | 5400 RPM | 4600 RPM |
| Torque | 506 Nm | 639 Nm |
| Torque RPM | 4400 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2141 kg | 1430 kg |
| Vehicle Length | 6580 mm | 4430 mm |
| Vehicle Width | 2040 mm | 1710 mm |
| Vehicle Height | 1960 mm | 1310 mm |
| Wheelbase Size | 4250 mm | 2450 mm |
