2007 GMC Sierra vs. 1998 Pontiac Grand Prix
To start off, 2007 GMC Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 1998 Pontiac Grand Prix would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 40 more horse power than 1998 Pontiac Grand Prix. (260 HP @ 5600 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1998 Pontiac Grand Prix.
Let's talk about torque, 2007 GMC Sierra (488 Nm) has 88 more torque (in Nm) than 1998 Pontiac Grand Prix. (400 Nm). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1998 Pontiac Grand Prix.
Compare all specifications:
| 2007 GMC Sierra | 1998 Pontiac Grand Prix | |
| Make | GMC | Pontiac |
| Model | Sierra | Grand Prix |
| Year Released | 2007 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 300 HP | 260 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Torque | 488 Nm | 400 Nm |
| Transmission Type | Automatic | Automatic |
| Vehicle Length | 6570 mm | 4980 mm |
| Wheelbase Size | 4250 mm | 2800 mm |
| Fuel Tank Capacity | 132 L | 66 L |
