1973 Citroen GS vs. 2007 Peugeot 307
To start off, 2007 Peugeot 307 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Citroen GS. In addition, the cost of maintenance, including insurance, on 1973 Citroen GS would be higher. At 1,997 cc (4 cylinders), 2007 Peugeot 307 is equipped with a bigger engine. In terms of performance, 2007 Peugeot 307 (138 HP @ 6000 RPM) has 31 more horse power than 1973 Citroen GS. (107 HP @ 6500 RPM) In normal driving conditions, 2007 Peugeot 307 should accelerate faster than 1973 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Peugeot 307 weights approximately 156 kg more than 1973 Citroen GS. 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 Peugeot 307 (200 Nm @ 4100 RPM) has 63 more torque (in Nm) than 1973 Citroen GS. (137 Nm @ 3000 RPM). This means 2007 Peugeot 307 will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen GS.
Compare all specifications:
| 1973 Citroen GS | 2007 Peugeot 307 | |
| Make | Citroen | Peugeot |
| Model | GS | 307 |
| Year Released | 1973 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 1997 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 107 HP | 138 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 137 Nm | 200 Nm |
| Torque RPM | 3000 RPM | 4100 RPM |
| Engine Compression Ratio | 9.0:1 | 10.8:1 |
| Top Speed | 175 km/hour | 200 km/hour |
| Acceleration 0-100mph | 14 seconds | 11.1 seconds |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1140 kg | 1296 kg |
| Vehicle Length | 4130 mm | 4220 mm |
| Vehicle Width | 1620 mm | 1520 mm |
| Vehicle Height | 1380 mm | 1750 mm |
| Wheelbase Size | 2570 mm | 2610 mm |
| Fuel Tank Capacity | 56 L | 60 L |
