1971 Citroen GS vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 36 year(s). Which means there will be less support and parts availability for 1971 Citroen GS. In addition, the cost of maintenance, including insurance, on 1971 Citroen GS would be higher. At 2,967 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (222 HP @ 4000 RPM) has 167 more horse power than 1971 Citroen GS. (55 HP @ 6500 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 1971 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 385 kg more than 1971 Citroen GS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Citroen GS. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 will offer significantly more control. 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 378 more torque (in Nm) than 1971 Citroen GS. (72 Nm @ 3500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen GS.
Compare all specifications:
| 1971 Citroen GS | 2007 Audi A4 | |
| Make | Citroen | Audi |
| Model | GS | A4 |
| Year Released | 1971 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1015 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 55 HP | 222 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 72 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Engine Bore Size | 74 mm | 83 mm |
| Engine Stroke Size | 59 mm | 91.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 890 kg | 1275 kg |
| Vehicle Length | 4130 mm | 4590 mm |
| Vehicle Width | 1620 mm | 1780 mm |
| Vehicle Height | 1360 mm | 1430 mm |
| Wheelbase Size | 2560 mm | 2660 mm |
| Fuel Tank Capacity | 43 L | 70 L |
