1973 Chevrolet Impala vs. 1981 Opel Ascona
To start off, 1981 Opel Ascona is newer by 8 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 36 more horse power than 1981 Opel Ascona. (74 HP @ 5800 RPM). In normal driving conditions, 1973 Chevrolet Impala should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 1973 Chevrolet Impala weights approximately 795 kg more than 1981 Opel Ascona. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1973 Chevrolet Impala (251 Nm @ 1600 RPM) has 150 more torque (in Nm) than 1981 Opel Ascona. (101 Nm @ 3800 RPM). This means 1973 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 1973 Chevrolet Impala | 1981 Opel Ascona | |
| Make | Chevrolet | Opel |
| Model | Impala | Ascona |
| Year Released | 1973 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4097 cc | 1295 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 74 HP |
| Engine RPM | 3800 RPM | 5800 RPM |
| Torque | 251 Nm | 101 Nm |
| Torque RPM | 1600 RPM | 3800 RPM |
| Engine Bore Size | 98.3 mm | 75 mm |
| Engine Stroke Size | 89.6 mm | 73.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1715 kg | 920 kg |
| Vehicle Length | 5600 mm | 4380 mm |
| Vehicle Width | 2030 mm | 1680 mm |
| Vehicle Height | 1370 mm | 1400 mm |
| Wheelbase Size | 3100 mm | 2580 mm |
