2009 Audi Q7 vs. 1988 Renault 21
To start off, 2009 Audi Q7 is newer by 21 year(s). Which means there will be less support and parts availability for 1988 Renault 21. In addition, the cost of maintenance, including insurance, on 1988 Renault 21 would be higher. At 2,967 cc (6 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (229 HP @ 4000 RPM) has 165 more horse power than 1988 Renault 21. (64 HP @ 4500 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1988 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1265 kg more than 1988 Renault 21. 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 1988 Renault 21. 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 (500 Nm @ 1750 RPM) has 382 more torque (in Nm) than 1988 Renault 21. (118 Nm @ 2250 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1988 Renault 21. 2009 Audi Q7 has automatic transmission and 1988 Renault 21 has manual transmission. 1988 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 | 1988 Renault 21 | |
| Make | Audi | Renault |
| Model | Q7 | 21 |
| Year Released | 2009 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1870 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 229 HP | 64 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 500 Nm | 118 Nm |
| Torque RPM | 1750 RPM | 2250 RPM |
| Engine Compression Ratio | 17.0:1 | 21.5:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 2370 kg | 1105 kg |
| Vehicle Length | 5090 mm | 4650 mm |
| Vehicle Width | 1990 mm | 1720 mm |
| Vehicle Height | 1740 mm | 1430 mm |
| Wheelbase Size | 3010 mm | 2820 mm |
