2008 Chevrolet HHR vs. 1991 Porsche 911
To start off, 2008 Chevrolet HHR is newer by 17 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, 1991 Porsche 911 (228 HP @ 5900 RPM) has 56 more horse power than 2008 Chevrolet HHR. (172 HP @ 5800 RPM) In normal driving conditions, 1991 Porsche 911 should accelerate faster than 2008 Chevrolet HHR. With that said, vehicle weight also plays an important factor in acceleration. 2008 Chevrolet HHR weights approximately 295 kg more than 1991 Porsche 911.
Let's talk about torque, 1991 Porsche 911 (286 Nm @ 4800 RPM) has 60 more torque (in Nm) than 2008 Chevrolet HHR. (226 Nm @ 4500 RPM). This means 1991 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 Chevrolet HHR.
Compare all specifications:
| 2008 Chevrolet HHR | 1991 Porsche 911 | |
| Make | Chevrolet | Porsche |
| Model | HHR | 911 |
| Year Released | 2008 | 1991 |
| Body Type | Hatchback | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 2401 cc | 3163 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 172 HP | 228 HP |
| Engine RPM | 5800 RPM | 5900 RPM |
| Torque | 226 Nm | 286 Nm |
| Torque RPM | 4500 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1175 kg |
| Vehicle Length | 3380 mm | 4300 mm |
| Vehicle Width | 1760 mm | 1660 mm |
| Vehicle Height | 1610 mm | 1260 mm |
