1999 GMC Sierra vs. 1988 Pontiac Bonneville
To start off, 1999 GMC Sierra is newer by 11 year(s). Which means there will be less support and parts availability for 1988 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1988 Pontiac Bonneville would be higher. At 5,325 cc (8 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 GMC Sierra (282 HP @ 5200 RPM) has 132 more horse power than 1988 Pontiac Bonneville. (150 HP @ 4400 RPM). In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1988 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 329 kg more than 1988 Pontiac Bonneville. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1988 Pontiac Bonneville. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 GMC Sierra (440 Nm @ 4000 RPM) has 169 more torque (in Nm) than 1988 Pontiac Bonneville. (271 Nm @ 2000 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1988 Pontiac Bonneville.
Compare all specifications:
| 1999 GMC Sierra | 1988 Pontiac Bonneville | |
| Make | GMC | Pontiac |
| Model | Sierra | Bonneville |
| Year Released | 1999 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 5325 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 282 HP | 150 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 440 Nm | 271 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Vehicle Weight | 1835 kg | 1506 kg |
| Vehicle Length | 5170 mm | 5050 mm |
| Vehicle Width | 2000 mm | 1850 mm |
| Vehicle Height | 1810 mm | 1420 mm |
| Wheelbase Size | 3030 mm | 2820 mm |
