2009 Mazda CX-7 vs. 1991 Renault Express
To start off, 2009 Mazda CX-7 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Renault Express. In addition, the cost of maintenance, including insurance, on 1991 Renault Express would be higher. At 2,259 cc (4 cylinders), 2009 Mazda CX-7 is equipped with a bigger engine. In terms of performance, 2009 Mazda CX-7 (244 HP @ 5000 RPM) has 199 more horse power than 1991 Renault Express. (45 HP @ 5250 RPM). In normal driving conditions, 2009 Mazda CX-7 should accelerate faster than 1991 Renault Express. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda CX-7 weights approximately 509 kg more than 1991 Renault Express. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mazda CX-7 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Renault Express. In wet, icy, snow, or gravel driving conditions, 2009 Mazda CX-7 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-7 (350 Nm @ 2500 RPM) has 271 more torque (in Nm) than 1991 Renault Express. (79 Nm @ 2500 RPM). This means 2009 Mazda CX-7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault Express. 2009 Mazda CX-7 has automatic transmission and 1991 Renault Express has manual transmission. 1991 Renault Express will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mazda CX-7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mazda CX-7 | 1991 Renault Express | |
| Make | Mazda | Renault |
| Model | CX-7 | Express |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2259 cc | 1106 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 244 HP | 45 HP |
| Engine RPM | 5000 RPM | 5250 RPM |
| Torque | 350 Nm | 79 Nm |
| Torque RPM | 2500 RPM | 2500 RPM |
| Engine Bore Size | 87.5 mm | 70 mm |
| Engine Stroke Size | 94 mm | 72 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1329 kg | 820 kg |
| Vehicle Length | 4680 mm | 3990 mm |
| Vehicle Width | 1880 mm | 1590 mm |
| Vehicle Height | 1650 mm | 1780 mm |
| Wheelbase Size | 2760 mm | 2590 mm |
