1991 Chevrolet SS vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 18 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 5,967 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (327 HP) has 82 more horse power than 1991 Chevrolet SS. (245 HP) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 1991 Chevrolet SS.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1991 Chevrolet SS (468 Nm) has 101 more torque (in Nm) than 2009 GMC Sierra. (367 Nm). This means 1991 Chevrolet SS will have an easier job in driving up hills or pulling heavy equipment than 2009 GMC Sierra. 2009 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. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Chevrolet SS | 2009 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | SS | Sierra |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 5967 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 245 HP | 327 HP |
| Torque | 468 Nm | 367 Nm |
| Engine Compression Ratio | 9.3:1 | 10.8:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Length | 4940 mm | 5850 mm |
| Vehicle Height | 1560 mm | 1910 mm |
| Wheelbase Size | 3000 mm | 2950 mm |
