2009 Audi Q7 vs. 1991 Citroen ZX
To start off, 2009 Audi Q7 is newer by 18 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 4,132 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (322 HP @ 3750 RPM) has 233 more horse power than 1991 Citroen ZX. (89 HP @ 6400 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1420 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 2009 Audi Q7 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, 2009 Audi Q7 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 Q7 (760 Nm @ 1800 RPM) has 627 more torque (in Nm) than 1991 Citroen ZX. (133 Nm @ 3000 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX. 2009 Audi Q7 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. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 1991 Citroen ZX | |
| Make | Audi | Citroen |
| Model | Q7 | ZX |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4132 cc | 1579 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 89 HP |
| Engine RPM | 3750 RPM | 6400 RPM |
| Torque | 760 Nm | 133 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 95.5 mm | 73 mm |
| Top Speed | 236 km/hour | 180 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 2420 kg | 1000 kg |
| Vehicle Length | 5090 mm | 4070 mm |
| Vehicle Width | 1990 mm | 1710 mm |
| Vehicle Height | 1780 mm | 1410 mm |
| Wheelbase Size | 3010 mm | 2430 mm |
