2008 GMC Sierra vs. 1999 Pontiac Sunfire
To start off, 2008 GMC Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Pontiac Sunfire. In addition, the cost of maintenance, including insurance, on 1999 Pontiac Sunfire would be higher. At 6,000 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 238 more horse power than 1999 Pontiac Sunfire. (115 HP @ 5000 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1999 Pontiac Sunfire. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1459 kg more than 1999 Pontiac Sunfire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 Pontiac Sunfire. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 323 more torque (in Nm) than 1999 Pontiac Sunfire. (183 Nm @ 3600 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Pontiac Sunfire. 2008 GMC Sierra has automatic transmission and 1999 Pontiac Sunfire has manual transmission. 1999 Pontiac Sunfire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 GMC Sierra | 1999 Pontiac Sunfire | |
| Make | GMC | Pontiac |
| Model | Sierra | Sunfire |
| Year Released | 2008 | 1999 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 6000 cc | 2201 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 115 HP |
| Engine RPM | 5400 RPM | 5000 RPM |
| Torque | 506 Nm | 183 Nm |
| Torque RPM | 4400 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2659 kg | 1200 kg |
| Vehicle Length | 5720 mm | 4630 mm |
| Vehicle Width | 2440 mm | 1740 mm |
| Vehicle Height | 1960 mm | 1360 mm |
| Wheelbase Size | 3380 mm | 2650 mm |
| Fuel Tank Capacity | 129 L | 68 L |
