1976 Bristol 603 vs. 1977 GMC Jimmy
To start off, 1977 GMC Jimmy is newer by 1 year(s). Which means there will be less support and parts availability for 1976 Bristol 603. In addition, the cost of maintenance, including insurance, on 1976 Bristol 603 would be higher. At 5,210 cc (8 cylinders), 1976 Bristol 603 is equipped with a bigger engine. In terms of performance, 1976 Bristol 603 (145 HP @ 4000 RPM) has 45 more horse power than 1977 GMC Jimmy. (100 HP @ 3600 RPM). In normal driving conditions, 1976 Bristol 603 should accelerate faster than 1977 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 1977 GMC Jimmy weights approximately 15 kg more than 1976 Bristol 603.
Because 1977 GMC Jimmy is four wheel drive (4WD), it will have significant more traction and grip than 1976 Bristol 603. 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, 1976 Bristol 603 (333 Nm @ 1600 RPM) has 90 more torque (in Nm) than 1977 GMC Jimmy. (243 Nm @ 1600 RPM). This means 1976 Bristol 603 will have an easier job in driving up hills or pulling heavy equipment than 1977 GMC Jimmy.
Compare all specifications:
| 1976 Bristol 603 | 1977 GMC Jimmy | |
| Make | Bristol | GMC |
| Model | 603 | Jimmy |
| Year Released | 1976 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 5210 cc | 4093 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 100 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 333 Nm | 243 Nm |
| Torque RPM | 1600 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1785 kg | 1800 kg |
| Vehicle Length | 4920 mm | 4690 mm |
| Vehicle Width | 1780 mm | 2030 mm |
| Vehicle Height | 1450 mm | 1840 mm |
| Wheelbase Size | 2910 mm | 2720 mm |
