1991 Porsche 911 vs. 2010 Chevrolet Cobalt
To start off, 2010 Chevrolet Cobalt is newer by 19 year(s). Which means there will be less support and parts availability for 1991 Porsche 911. In addition, the cost of maintenance, including insurance, on 1991 Porsche 911 would be higher. At 3,163 cc (6 cylinders), 1991 Porsche 911 is equipped with a bigger engine. In terms of performance, 2010 Chevrolet Cobalt (260 HP @ 5300 RPM) has 32 more horse power than 1991 Porsche 911. (228 HP @ 5900 RPM) In normal driving conditions, 2010 Chevrolet Cobalt should accelerate faster than 1991 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2010 Chevrolet Cobalt weights approximately 86 kg more than 1991 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2010 Chevrolet Cobalt (353 Nm @ 2000 RPM) has 67 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 2010 Chevrolet Cobalt will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 1991 Porsche 911 | 2010 Chevrolet Cobalt | |
| Make | Porsche | Chevrolet |
| Model | 911 | Cobalt |
| Year Released | 1991 | 2010 |
| Body Type | Roadster | Coupe |
| Engine Position | Rear | Front |
| Engine Size | 3163 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 228 HP | 260 HP |
| Engine RPM | 5900 RPM | 5300 RPM |
| Torque | 286 Nm | 353 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1175 kg | 1261 kg |
| Vehicle Length | 4300 mm | 4590 mm |
| Vehicle Width | 1660 mm | 1730 mm |
| Vehicle Height | 1260 mm | 1460 mm |
