1971 Chevrolet Impala vs. 1998 Porsche 911
To start off, 1998 Porsche 911 is newer by 27 year(s). Which means there will be less support and parts availability for 1971 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 1971 Chevrolet Impala would be higher. At 4,092 cc (6 cylinders), 1971 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 1998 Porsche 911 (296 HP @ 6800 RPM) has 186 more horse power than 1971 Chevrolet Impala. (110 HP @ 3800 RPM) In normal driving conditions, 1998 Porsche 911 should accelerate faster than 1971 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 1971 Chevrolet Impala weights approximately 335 kg more than 1998 Porsche 911.
Because 1998 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 1998 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, 1998 Porsche 911 (350 Nm @ 4600 RPM) has 94 more torque (in Nm) than 1971 Chevrolet Impala. (256 Nm @ 1600 RPM). This means 1998 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1971 Chevrolet Impala.
Compare all specifications:
| 1971 Chevrolet Impala | 1998 Porsche 911 | |
| Make | Chevrolet | Porsche |
| Model | Impala | 911 |
| Year Released | 1971 | 1998 |
| Engine Position | Front | Rear |
| Engine Size | 4092 cc | 3387 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 110 HP | 296 HP |
| Engine RPM | 3800 RPM | 6800 RPM |
| Torque | 256 Nm | 350 Nm |
| Torque RPM | 1600 RPM | 4600 RPM |
| Engine Bore Size | 98.2 mm | 96 mm |
| Engine Stroke Size | 89.6 mm | 78 mm |
| Engine Compression Ratio | 8.5:1 | 11.3:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1715 kg | 1380 kg |
| Vehicle Length | 5600 mm | 4440 mm |
| Vehicle Width | 2030 mm | 1770 mm |
| Vehicle Height | 1370 mm | 1310 mm |
| Wheelbase Size | 3100 mm | 2360 mm |
