2007 Audi A4 vs. 1991 Citroen ZX
To start off, 2007 Audi A4 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Citroen ZX. In addition, the cost of maintenance, including insurance, on 1991 Citroen ZX would be higher. At 1,998 cc (4 cylinders), 1991 Citroen ZX is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (200 HP @ 5100 RPM) has 129 more horse power than 1991 Citroen ZX. (71 HP @ 4600 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 845 kg more than 1991 Citroen ZX. 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 1991 Citroen ZX. 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 (282 Nm @ 1800 RPM) has 160 more torque (in Nm) than 1991 Citroen ZX. (122 Nm @ 2000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX. 2007 Audi A4 has automatic transmission and 1991 Citroen ZX has manual transmission. 1991 Citroen ZX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 1991 Citroen ZX | |
| Make | Audi | Citroen |
| Model | A4 | ZX |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 200 HP | 71 HP |
| Engine RPM | 5100 RPM | 4600 RPM |
| Torque | 282 Nm | 122 Nm |
| Torque RPM | 1800 RPM | 2000 RPM |
| Engine Bore Size | 82.5 mm | 83.1 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1880 kg | 1035 kg |
| Vehicle Length | 4590 mm | 4070 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2550 mm |
