1991 Chevrolet SS vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Chevrolet SS. In addition, the cost of maintenance, including insurance, on 1991 Chevrolet SS would be higher. At 6,172 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (403 HP) has 158 more horse power than 1991 Chevrolet SS. (245 HP) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1991 Chevrolet SS.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1991 Chevrolet SS. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (565 Nm) has 97 more torque (in Nm) than 1991 Chevrolet SS. (468 Nm). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Chevrolet SS. 2007 GMC Sierra has automatic transmission and 1991 Chevrolet SS has manual transmission. 1991 Chevrolet SS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Chevrolet SS | 2007 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | SS | Sierra |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 6172 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 245 HP | 403 HP |
| Torque | 468 Nm | 565 Nm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Length | 4940 mm | 5850 mm |
| Vehicle Width | 1650 mm | 2040 mm |
| Vehicle Height | 1560 mm | 1880 mm |
| Wheelbase Size | 3000 mm | 3650 mm |
