2007 Audi Q7 vs. 1991 Citroen AX
To start off, 2007 Audi Q7 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Citroen AX. In addition, the cost of maintenance, including insurance, on 1991 Citroen AX would be higher. At 4,163 cc (8 cylinders), 2007 Audi Q7 is equipped with a bigger engine. In terms of performance, 2007 Audi Q7 (346 HP @ 6800 RPM) has 298 more horse power than 1991 Citroen AX. (48 HP @ 6000 RPM). In normal driving conditions, 2007 Audi Q7 should accelerate faster than 1991 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 1627 kg more than 1991 Citroen AX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Citroen AX. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi Q7 (440 Nm @ 3500 RPM) has 365 more torque (in Nm) than 1991 Citroen AX. (75 Nm @ 3700 RPM). This means 2007 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen AX. 2007 Audi Q7 has automatic transmission and 1991 Citroen AX has manual transmission. 1991 Citroen AX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi Q7 | 1991 Citroen AX | |
| Make | Audi | Citroen |
| Model | Q7 | AX |
| Year Released | 2007 | 1991 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 953 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 346 HP | 48 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 440 Nm | 75 Nm |
| Torque RPM | 3500 RPM | 3700 RPM |
| Engine Bore Size | 84.5 mm | 70 mm |
| Engine Stroke Size | 92.8 mm | 62 mm |
| Engine Compression Ratio | 12.5:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 2295 kg | 668 kg |
| Vehicle Width | 1990 mm | 1560 mm |
| Vehicle Height | 1740 mm | 1360 mm |
| Wheelbase Size | 3010 mm | 2290 mm |
