2009 Mazda CX-9 vs. 1990 Renault 21
To start off, 2009 Mazda CX-9 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 3,726 cc (6 cylinders), 2009 Mazda CX-9 is equipped with a bigger engine. In terms of performance, 2009 Mazda CX-9 (273 HP @ 6250 RPM) has 98 more horse power than 1990 Renault 21. (175 HP @ 5200 RPM). In normal driving conditions, 2009 Mazda CX-9 should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1990 Renault 21 weights approximately 16 kg more than 2009 Mazda CX-9.
Because 1990 Renault 21 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mazda CX-9. In wet, icy, snow, or gravel driving conditions, 1990 Renault 21 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 Mazda CX-9 (366 Nm @ 4500 RPM) has 95 more torque (in Nm) than 1990 Renault 21. (271 Nm @ 3000 RPM). This means 2009 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21. 2009 Mazda CX-9 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 Mazda CX-9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mazda CX-9 | 1990 Renault 21 | |
| Make | Mazda | Renault |
| Model | CX-9 | 21 |
| Year Released | 2009 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 3726 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 273 HP | 175 HP |
| Engine RPM | 6250 RPM | 5200 RPM |
| Torque | 366 Nm | 271 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1329 kg | 1345 kg |
| Vehicle Length | 5080 mm | 4650 mm |
| Vehicle Width | 1940 mm | 1720 mm |
| Vehicle Height | 1730 mm | 1450 mm |
| Wheelbase Size | 2880 mm | 2610 mm |
| Fuel Tank Capacity | 76 L | 62 L |
