1975 AC 428 vs. 1981 GMC Jimmy
To start off, 1981 GMC Jimmy is newer by 6 year(s). Which means there will be less support and parts availability for 1975 AC 428. In addition, the cost of maintenance, including insurance, on 1975 AC 428 would be higher. At 7,003 cc (8 cylinders), 1975 AC 428 is equipped with a bigger engine. In terms of performance, 1975 AC 428 (298 HP @ 4600 RPM) has 168 more horse power than 1981 GMC Jimmy. (130 HP @ 4000 RPM). In normal driving conditions, 1975 AC 428 should accelerate faster than 1981 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 1981 GMC Jimmy weights approximately 400 kg more than 1975 AC 428.
Because 1981 GMC Jimmy is four wheel drive (4WD), it will have significant more traction and grip than 1975 AC 428. In wet, icy, snow, or gravel driving conditions, 1981 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, 1975 AC 428 (639 Nm @ 2800 RPM) has 354 more torque (in Nm) than 1981 GMC Jimmy. (285 Nm @ 2000 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1981 GMC Jimmy. 1981 GMC Jimmy has automatic transmission and 1975 AC 428 has manual transmission. 1975 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 GMC Jimmy will be easier to drive especially in heavy traffic.
Compare all specifications:
1975 AC 428 | 1981 GMC Jimmy | |
Make | AC | GMC |
Model | 428 | Jimmy |
Year Released | 1975 | 1981 |
Engine Position | Front | Front |
Engine Size | 7003 cc | 4093 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 298 HP | 130 HP |
Engine RPM | 4600 RPM | 4000 RPM |
Torque | 639 Nm | 285 Nm |
Torque RPM | 2800 RPM | 2000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Vehicle Weight | 1430 kg | 1830 kg |
Vehicle Length | 4430 mm | 4690 mm |
Vehicle Width | 1710 mm | 2030 mm |
Vehicle Height | 1310 mm | 1840 mm |
Wheelbase Size | 2450 mm | 2720 mm |