1991 Eagle Summit vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Eagle Summit. In addition, the cost of maintenance, including insurance, on 1991 Eagle Summit would be higher. At 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (300 HP @ 4400 RPM) has 208 more horse power than 1991 Eagle Summit. (92 HP @ 6000 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1991 Eagle Summit. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1436 kg more than 1991 Eagle Summit. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1991 Eagle Summit. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 GMC Sierra (488 Nm @ 4000 RPM) has 365 more torque (in Nm) than 1991 Eagle Summit. (123 Nm @ 3000 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Eagle Summit.
Compare all specifications:
| 1991 Eagle Summit | 2006 GMC Sierra | |
| Make | Eagle | GMC |
| Model | Summit | Sierra |
| Year Released | 1991 | 2006 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1468 cc | 5965 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 92 HP | 300 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 123 Nm | 488 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1000 kg | 2436 kg |
| Vehicle Length | 4040 mm | 6570 mm |
| Vehicle Width | 1680 mm | 2450 mm |
| Vehicle Height | 1330 mm | 1970 mm |
| Wheelbase Size | 2400 mm | 4250 mm |
