1971 AC 428 vs. 2004 GMC Envoy
To start off, 2004 GMC Envoy is newer by 33 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, 1971 AC 428 (298 HP) has 23 more horse power than 2004 GMC Envoy. (275 HP). In normal driving conditions, 1971 AC 428 should accelerate faster than 2004 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Envoy weights approximately 664 kg more than 1971 AC 428.
Because 2004 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, 2004 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 265 more torque (in Nm) than 2004 GMC Envoy. (374 Nm). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2004 GMC Envoy.
Compare all specifications:
| 1971 AC 428 | 2004 GMC Envoy | |
| Make | AC | GMC |
| Model | 428 | Envoy |
| Year Released | 1971 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 4195 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 275 HP |
| Torque | 639 Nm | 374 Nm |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 2094 kg |
| Vehicle Length | 4430 mm | 4870 mm |
| Vehicle Width | 1710 mm | 1900 mm |
| Vehicle Height | 1310 mm | 1830 mm |
| Wheelbase Size | 2450 mm | 2950 mm |
