2004 GMC Sierra vs. 1991 Pontiac Trans Sport
To start off, 2004 GMC Sierra is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Pontiac Trans Sport. In addition, the cost of maintenance, including insurance, on 1991 Pontiac Trans Sport would be higher. At 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 181 more horse power than 1991 Pontiac Trans Sport. (119 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1991 Pontiac Trans Sport. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1230 kg more than 1991 Pontiac Trans Sport. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1991 Pontiac Trans Sport. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 GMC Sierra (489 Nm) has 252 more torque (in Nm) than 1991 Pontiac Trans Sport. (237 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Pontiac Trans Sport.
Compare all specifications:
| 2004 GMC Sierra | 1991 Pontiac Trans Sport | |
| Make | GMC | Pontiac |
| Model | Sierra | Trans Sport |
| Year Released | 2004 | 1991 |
| Body Type | Pickup | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 3135 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 119 HP |
| Torque | 489 Nm | 237 Nm |
| Drive Type | 4WD | Front |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2730 kg | 1500 kg |
| Vehicle Length | 6030 mm | 4930 mm |
| Vehicle Width | 2030 mm | 1890 mm |
| Vehicle Height | 1940 mm | 1670 mm |
| Wheelbase Size | 4250 mm | 2800 mm |
