1973 Chevrolet Impala vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 36 year(s). Which means there will be less support and parts availability for 1973 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 1973 Chevrolet Impala would be higher. At 4,097 cc (6 cylinders), 1973 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (473 HP @ 6000 RPM) has 363 more horse power than 1973 Chevrolet Impala. (110 HP @ 3800 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1973 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 1973 Chevrolet Impala weights approximately 185 kg more than 2009 Porsche 911.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Chevrolet Impala. 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 @ 2700 RPM) has 369 more torque (in Nm) than 1973 Chevrolet Impala. (251 Nm @ 1600 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1973 Chevrolet Impala.
Compare all specifications:
| 1973 Chevrolet Impala | 2009 Porsche 911 | |
| Make | Chevrolet | Porsche |
| Model | Impala | 911 |
| Year Released | 1973 | 2009 |
| Engine Position | Front | Rear |
| Engine Size | 4097 cc | 3599 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 110 HP | 473 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 251 Nm | 620 Nm |
| Torque RPM | 1600 RPM | 2700 RPM |
| Engine Bore Size | 98.3 mm | 100 mm |
| Engine Stroke Size | 89.6 mm | 76.4 mm |
| Engine Compression Ratio | 8.5:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1715 kg | 1530 kg |
| Vehicle Length | 5600 mm | 4440 mm |
| Vehicle Width | 2030 mm | 1300 mm |
| Vehicle Height | 1370 mm | 1840 mm |
| Wheelbase Size | 3100 mm | 2360 mm |
