2009 Audi Q7 vs. 1990 Renault 21
To start off, 2009 Audi Q7 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 Renault 21. In addition, the cost of maintenance, including insurance, on 1990 Renault 21 would be higher. At 3,597 cc (6 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (280 HP @ 6200 RPM) has 105 more horse power than 1990 Renault 21. (175 HP @ 5200 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1990 Renault 21 weights approximately 415 kg more than 2009 Audi Q7.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (361 Nm @ 2750 RPM) has 90 more torque (in Nm) than 1990 Renault 21. (271 Nm @ 3000 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21. 2009 Audi Q7 has automatic transmission and 1990 Renault 21 has manual transmission. 1990 Renault 21 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 | 1990 Renault 21 | |
| Make | Audi | Renault |
| Model | Q7 | 21 |
| Year Released | 2009 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 3597 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 280 HP | 175 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 361 Nm | 271 Nm |
| Torque RPM | 2750 RPM | 3000 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 930 kg | 1345 kg |
| Vehicle Length | 5090 mm | 4650 mm |
| Vehicle Width | 1990 mm | 1720 mm |
| Vehicle Height | 1740 mm | 1450 mm |
| Wheelbase Size | 3010 mm | 2610 mm |
| Fuel Tank Capacity | 100 L | 62 L |
