1971 Chevrolet Impala vs. 1991 Rover 100
To start off, 1991 Rover 100 is newer by 20 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, 1971 Chevrolet Impala (110 HP @ 3800 RPM) has 8 more horse power than 1991 Rover 100. (102 HP @ 6000 RPM). In normal driving conditions, 1971 Chevrolet Impala should accelerate faster than 1991 Rover 100. With that said, vehicle weight also plays an important factor in acceleration. 1971 Chevrolet Impala weights approximately 845 kg more than 1991 Rover 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1971 Chevrolet Impala (256 Nm @ 1600 RPM) has 121 more torque (in Nm) than 1991 Rover 100. (135 Nm @ 5000 RPM). This means 1971 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 100.
Compare all specifications:
| 1971 Chevrolet Impala | 1991 Rover 100 | |
| Make | Chevrolet | Rover |
| Model | Impala | 100 |
| Year Released | 1971 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4092 cc | 1396 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 102 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 256 Nm | 135 Nm |
| Torque RPM | 1600 RPM | 5000 RPM |
| Engine Bore Size | 98.2 mm | 75 mm |
| Engine Stroke Size | 89.6 mm | 79 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1715 kg | 870 kg |
| Vehicle Length | 5600 mm | 3530 mm |
| Vehicle Width | 2030 mm | 1570 mm |
| Vehicle Height | 1370 mm | 1380 mm |
