1976 Bristol 603 vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 29 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 5,359 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (295 HP) has 150 more horse power than 1976 Bristol 603. (145 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1976 Bristol 603. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 638 kg more than 1976 Bristol 603. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra 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, 2005 GMC Sierra 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, 2005 GMC Sierra (454 Nm) has 121 more torque (in Nm) than 1976 Bristol 603. (333 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1976 Bristol 603.
Compare all specifications:
| 1976 Bristol 603 | 2005 GMC Sierra | |
| Make | Bristol | GMC |
| Model | 603 | Sierra |
| Year Released | 1976 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 5210 cc | 5359 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 295 HP |
| Torque | 333 Nm | 454 Nm |
| Engine Compression Ratio | 8.0:1 | 9.5:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1785 kg | 2423 kg |
| Vehicle Length | 4920 mm | 6330 mm |
| Vehicle Width | 1780 mm | 2000 mm |
| Vehicle Height | 1450 mm | 1880 mm |
| Wheelbase Size | 2910 mm | 4010 mm |
| Fuel Tank Capacity | 81 L | 129 L |
