2005 GMC Sierra vs. 1990 Pontiac Bonneville
To start off, 2005 GMC Sierra is newer by 15 year(s). Which means there will be less support and parts availability for 1990 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1990 Pontiac Bonneville would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (301 HP) has 151 more horse power than 1990 Pontiac Bonneville. (150 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1990 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1178 kg more than 1990 Pontiac Bonneville. 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 1990 Pontiac Bonneville. 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 (488 Nm) has 217 more torque (in Nm) than 1990 Pontiac Bonneville. (271 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1990 Pontiac Bonneville.
Compare all specifications:
| 2005 GMC Sierra | 1990 Pontiac Bonneville | |
| Make | GMC | Pontiac |
| Model | Sierra | Bonneville |
| Year Released | 2005 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 3789 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 301 HP | 150 HP |
| Torque | 488 Nm | 271 Nm |
| Engine Bore Size | 102 mm | 96.5 mm |
| Engine Stroke Size | 92 mm | 86.4 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2678 kg | 1500 kg |
| Vehicle Length | 5650 mm | 5050 mm |
| Vehicle Width | 2450 mm | 1850 mm |
| Vehicle Height | 1950 mm | 1420 mm |
| Wheelbase Size | 3380 mm | 2820 mm |
| Fuel Tank Capacity | 129 L | 68 L |
