2002 Chevrolet Impala vs. 1981 Opel Ascona
To start off, 2002 Chevrolet Impala is newer by 21 year(s). Which means there will be less support and parts availability for 1981 Opel Ascona. In addition, the cost of maintenance, including insurance, on 1981 Opel Ascona would be higher. At 3,350 cc (6 cylinders), 2002 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2002 Chevrolet Impala (180 HP @ 5200 RPM) has 99 more horse power than 1981 Opel Ascona. (81 HP @ 5400 RPM). In normal driving conditions, 2002 Chevrolet Impala should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 2002 Chevrolet Impala weights approximately 521 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, 2002 Chevrolet Impala (278 Nm @ 4000 RPM) has 144 more torque (in Nm) than 1981 Opel Ascona. (134 Nm @ 2600 RPM). This means 2002 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 2002 Chevrolet Impala | 1981 Opel Ascona | |
| Make | Chevrolet | Opel |
| Model | Impala | Ascona |
| Year Released | 2002 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3350 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 180 HP | 81 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 278 Nm | 134 Nm |
| Torque RPM | 4000 RPM | 2600 RPM |
| Engine Bore Size | 92 mm | 79 mm |
| Engine Stroke Size | 84.1 mm | 81.5 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1535 kg | 1014 kg |
| Vehicle Length | 5090 mm | 4380 mm |
| Vehicle Width | 1860 mm | 1680 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2810 mm | 2580 mm |
