2007 Citroen C4 vs. 1981 Opel Ascona
To start off, 2007 Citroen C4 is newer by 26 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 1,598 cc (4 cylinders), 1981 Opel Ascona is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (108 HP) has 27 more horse power than 1981 Opel Ascona. (81 HP). In normal driving conditions, 2007 Citroen C4 should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 323 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, 2007 Citroen C4 (147 Nm @ 4000 RPM) has 13 more torque (in Nm) than 1981 Opel Ascona. (134 Nm @ 2600 RPM). This means 2007 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 2007 Citroen C4 | 1981 Opel Ascona | |
| Make | Citroen | Opel |
| Model | C4 | Ascona |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1587 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 81 HP |
| Torque | 147 Nm | 134 Nm |
| Torque RPM | 4000 RPM | 2600 RPM |
| Engine Bore Size | 78 mm | 79 mm |
| Engine Stroke Size | 82 mm | 81.5 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1337 kg | 1014 kg |
| Vehicle Length | 4280 mm | 4380 mm |
| Vehicle Width | 1460 mm | 1680 mm |
| Vehicle Height | 1770 mm | 1400 mm |
| Wheelbase Size | 2610 mm | 2580 mm |
