1971 AC 428 vs. 2005 GMC Envoy
To start off, 2005 GMC Envoy is newer by 34 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 2005 GMC Envoy (300 HP) has 2 more horse power than 1971 AC 428. (298 HP) In normal driving conditions, 2005 GMC Envoy should accelerate faster than 1971 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Envoy weights approximately 757 kg more than 1971 AC 428. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1971 AC 428. In wet, icy, snow, or gravel driving conditions, 2005 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, 1971 AC 428 (639 Nm) has 192 more torque (in Nm) than 2005 GMC Envoy. (447 Nm). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Envoy.
Compare all specifications:
| 1971 AC 428 | 2005 GMC Envoy | |
| Make | AC | GMC |
| Model | 428 | Envoy |
| Year Released | 1971 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 5359 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 300 HP |
| Torque | 639 Nm | 447 Nm |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 2187 kg |
| Vehicle Length | 4430 mm | 5280 mm |
| Vehicle Width | 1710 mm | 1900 mm |
| Vehicle Height | 1310 mm | 1920 mm |
| Wheelbase Size | 2450 mm | 3280 mm |
