1991 Chevrolet SS vs. 2009 Porsche 911
To start off, 2009 Porsche 911 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 5,735 cc (8 cylinders), 1991 Chevrolet SS is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (473 HP) has 228 more horse power than 1991 Chevrolet SS. (245 HP) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1991 Chevrolet SS.
Because 2009 Porsche 911 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, 2009 Porsche 911 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, 2009 Porsche 911 (620 Nm) has 152 more torque (in Nm) than 1991 Chevrolet SS. (468 Nm). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Chevrolet SS. 2009 Porsche 911 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 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Chevrolet SS | 2009 Porsche 911 | |
| Make | Chevrolet | Porsche |
| Model | SS | 911 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Rear |
| Engine Size | 5735 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 245 HP | 473 HP |
| Torque | 468 Nm | 620 Nm |
| Engine Compression Ratio | 9.3:1 | 9.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Length | 4940 mm | 4460 mm |
| Vehicle Width | 1650 mm | 1310 mm |
| Vehicle Height | 1560 mm | 1860 mm |
| Wheelbase Size | 3000 mm | 2360 mm |
