1973 Chevrolet Impala vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 14 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, 1973 Chevrolet Impala (110 HP @ 3800 RPM) has 44 more horse power than 1987 Ford Sierra. (66 HP @ 4200 RPM). In normal driving conditions, 1973 Chevrolet Impala should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1973 Chevrolet Impala weights approximately 510 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1973 Chevrolet Impala (251 Nm @ 1600 RPM) has 109 more torque (in Nm) than 1987 Ford Sierra. (142 Nm @ 2000 RPM). This means 1973 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1973 Chevrolet Impala | 1987 Ford Sierra | |
| Make | Chevrolet | Ford |
| Model | Impala | Sierra |
| Year Released | 1973 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 4097 cc | 2303 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 66 HP |
| Engine RPM | 3800 RPM | 4200 RPM |
| Torque | 251 Nm | 142 Nm |
| Torque RPM | 1600 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1715 kg | 1205 kg |
| Vehicle Length | 5600 mm | 4500 mm |
| Vehicle Width | 2030 mm | 1680 mm |
| Vehicle Height | 1370 mm | 1400 mm |
| Wheelbase Size | 3100 mm | 2620 mm |
