1977 Citroen GS vs. 2004 Opel Zafira
To start off, 2004 Opel Zafira is newer by 27 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 1,998 cc (4 cylinders), 2004 Opel Zafira is equipped with a bigger engine. In terms of performance, 2004 Opel Zafira (100 HP @ 4400 RPM) has 45 more horse power than 1977 Citroen GS. (55 HP @ 6500 RPM) In normal driving conditions, 2004 Opel Zafira should accelerate faster than 1977 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Zafira weights approximately 595 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, 2004 Opel Zafira (220 Nm @ 1950 RPM) has 148 more torque (in Nm) than 1977 Citroen GS. (72 Nm @ 3500 RPM). This means 2004 Opel Zafira will have an easier job in driving up hills or pulling heavy equipment than 1977 Citroen GS.
Compare all specifications:
| 1977 Citroen GS | 2004 Opel Zafira | |
| Make | Citroen | Opel |
| Model | GS | Zafira |
| Year Released | 1977 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1015 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 55 HP | 100 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 72 Nm | 220 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Engine Bore Size | 74 mm | 84 mm |
| Engine Stroke Size | 59 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 890 kg | 1485 kg |
| Vehicle Length | 4130 mm | 4320 mm |
| Vehicle Width | 1620 mm | 1750 mm |
| Vehicle Height | 1360 mm | 1690 mm |
| Wheelbase Size | 2560 mm | 2640 mm |
| Fuel Tank Capacity | 43 L | 58 L |
