1977 Citroen GS vs. 2003 Opel Astra
To start off, 2003 Opel Astra is newer by 26 year(s). Which means there will be less support and parts availability for 1977 Citroen GS. In addition, the cost of maintenance, including insurance, on 1977 Citroen GS would be higher. At 2,198 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (145 HP @ 5800 RPM) has 90 more horse power than 1977 Citroen GS. (55 HP @ 6500 RPM) In normal driving conditions, 2003 Opel Astra should accelerate faster than 1977 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 408 kg more than 1977 Citroen GS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2003 Opel Astra (203 Nm @ 4000 RPM) has 131 more torque (in Nm) than 1977 Citroen GS. (72 Nm @ 3500 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1977 Citroen GS.
Compare all specifications:
| 1977 Citroen GS | 2003 Opel Astra | |
| Make | Citroen | Opel |
| Model | GS | Astra |
| Year Released | 1977 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1015 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 55 HP | 145 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 72 Nm | 203 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 74 mm | 86 mm |
| Engine Stroke Size | 59 mm | 94.6 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 890 kg | 1298 kg |
| Vehicle Length | 4130 mm | 4120 mm |
| Vehicle Width | 1620 mm | 1720 mm |
| Vehicle Height | 1360 mm | 1430 mm |
| Wheelbase Size | 2560 mm | 2500 mm |
| Fuel Tank Capacity | 43 L | 52 L |
