1970 AC 428 vs. 2006 GMC Envoy
To start off, 2006 GMC Envoy is newer by 36 year(s). Which means there will be less support and parts availability for 1970 AC 428. In addition, the cost of maintenance, including insurance, on 1970 AC 428 would be higher. At 7,003 cc (8 cylinders), 1970 AC 428 is equipped with a bigger engine. In terms of performance, 1970 AC 428 (298 HP @ 4600 RPM) has 7 more horse power than 2006 GMC Envoy. (291 HP @ 6000 RPM). In normal driving conditions, 1970 AC 428 should accelerate faster than 2006 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 1229 kg more than 1970 AC 428.
Because 2006 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1970 AC 428. In wet, icy, snow, or gravel driving conditions, 2006 GMC Envoy 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, 1970 AC 428 (640 Nm @ 2800 RPM) has 264 more torque (in Nm) than 2006 GMC Envoy. (376 Nm @ 4800 RPM). This means 1970 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Envoy.
Compare all specifications:
| 1970 AC 428 | 2006 GMC Envoy | |
| Make | AC | GMC |
| Model | 428 | Envoy |
| Year Released | 1970 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 291 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 640 Nm | 376 Nm |
| Torque RPM | 2800 RPM | 4800 RPM |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 2659 kg |
| Vehicle Length | 4430 mm | 4870 mm |
| Vehicle Width | 1710 mm | 1900 mm |
| Vehicle Height | 1310 mm | 1830 mm |
| Wheelbase Size | 2450 mm | 2880 mm |
