2009 Audi A4 vs. 1973 Citroen GS
To start off, 2009 Audi A4 is newer by 36 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 1,990 cc, 1973 Citroen GS is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (211 HP @ 4300 RPM) has 104 more horse power than 1973 Citroen GS. (107 HP @ 6500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1973 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 1973 Citroen GS weights approximately 108 kg more than 2009 Audi A4.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Citroen GS. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (350 Nm @ 1500 RPM) has 213 more torque (in Nm) than 1973 Citroen GS. (137 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen GS.
Compare all specifications:
| 2009 Audi A4 | 1973 Citroen GS | |
| Make | Audi | Citroen |
| Model | A4 | GS |
| Year Released | 2009 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1990 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 211 HP | 107 HP |
| Engine RPM | 4300 RPM | 6500 RPM |
| Torque | 350 Nm | 137 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Engine Compression Ratio | 9.6:1 | 9.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1032 kg | 1140 kg |
| Vehicle Length | 4710 mm | 4130 mm |
| Vehicle Width | 1840 mm | 1620 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2820 mm | 2570 mm |
| Fuel Tank Capacity | 70 L | 56 L |
