2009 Mazda CX-9 vs. 1992 Renault 21
To start off, 2009 Mazda CX-9 is newer by 17 year(s). Which means there will be less support and parts availability for 1992 Renault 21. In addition, the cost of maintenance, including insurance, on 1992 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 182 more horse power than 1992 Renault 21. (91 HP @ 5200 RPM). In normal driving conditions, 2009 Mazda CX-9 should accelerate faster than 1992 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda CX-9 weights approximately 254 kg more than 1992 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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 Mazda CX-9 (366 Nm @ 4500 RPM) has 228 more torque (in Nm) than 1992 Renault 21. (138 Nm @ 3500 RPM). This means 2009 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 1992 Renault 21. 2009 Mazda CX-9 has automatic transmission and 1992 Renault 21 has manual transmission. 1992 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 | 1992 Renault 21 | |
| Make | Mazda | Renault |
| Model | CX-9 | 21 |
| Year Released | 2009 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 3726 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 273 HP | 91 HP |
| Engine RPM | 6250 RPM | 5200 RPM |
| Torque | 366 Nm | 138 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1329 kg | 1075 kg |
| Vehicle Length | 5080 mm | 4650 mm |
| Vehicle Width | 1940 mm | 1720 mm |
| Vehicle Height | 1730 mm | 1430 mm |
| Wheelbase Size | 2880 mm | 2820 mm |
