1965 AC 427 vs. 1977 GMC Jimmy
To start off, 1977 GMC Jimmy is newer by 12 year(s). Which means there will be less support and parts availability for 1965 AC 427. In addition, the cost of maintenance, including insurance, on 1965 AC 427 would be higher. At 6,997 cc (8 cylinders), 1965 AC 427 is equipped with a bigger engine. In terms of performance, 1965 AC 427 (410 HP @ 4000 RPM) has 310 more horse power than 1977 GMC Jimmy. (100 HP @ 3600 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1977 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 1977 GMC Jimmy weights approximately 403 kg more than 1965 AC 427.
Because 1977 GMC Jimmy is four wheel drive (4WD), it will have significant more traction and grip than 1965 AC 427. In wet, icy, snow, or gravel driving conditions, 1977 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, 1965 AC 427 (652 Nm @ 3700 RPM) has 409 more torque (in Nm) than 1977 GMC Jimmy. (243 Nm @ 1600 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1977 GMC Jimmy.
Compare all specifications:
| 1965 AC 427 | 1977 GMC Jimmy | |
| Make | AC | GMC |
| Model | 427 | Jimmy |
| Year Released | 1965 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 4093 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 410 HP | 100 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 652 Nm | 243 Nm |
| Torque RPM | 3700 RPM | 1600 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1397 kg | 1800 kg |
| Vehicle Length | 4430 mm | 4690 mm |
| Vehicle Width | 1710 mm | 2030 mm |
| Vehicle Height | 1300 mm | 1840 mm |
| Wheelbase Size | 2440 mm | 2720 mm |
