1984 GMC Jimmy vs. 1973 AC 428
To start off, 1984 GMC Jimmy is newer by 11 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, 1973 AC 428 (298 HP @ 4600 RPM) has 145 more horse power than 1984 GMC Jimmy. (153 HP @ 4000 RPM) In normal driving conditions, 1973 AC 428 should accelerate faster than 1984 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 1984 GMC Jimmy weights approximately 410 kg more than 1973 AC 428.
Because 1984 GMC Jimmy 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, 1984 GMC Jimmy 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 327 more torque (in Nm) than 1984 GMC Jimmy. (312 Nm @ 2400 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1984 GMC Jimmy.
Compare all specifications:
| 1984 GMC Jimmy | 1973 AC 428 | |
| Make | GMC | AC |
| Model | Jimmy | 428 |
| Year Released | 1984 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 4298 cc | 7002 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 153 HP | 298 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 312 Nm | 639 Nm |
| Torque RPM | 2400 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1840 kg | 1430 kg |
| Vehicle Length | 4690 mm | 4430 mm |
| Vehicle Width | 2030 mm | 1710 mm |
| Vehicle Height | 1840 mm | 1310 mm |
| Wheelbase Size | 2720 mm | 2450 mm |
