1983 Mazda RX-7 vs. 2009 Mazda CX-9
To start off, 2009 Mazda CX-9 is newer by 26 year(s). Which means there will be less support and parts availability for 1983 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1983 Mazda RX-7 would be higher. At 3,724 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 168 more horse power than 1983 Mazda RX-7. (105 HP @ 6000 RPM) In normal driving conditions, 2009 Mazda CX-9 should accelerate faster than 1983 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda CX-9 weights approximately 120 kg more than 1983 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mazda CX-9 is four wheel drive (4WD), it will have significant more traction and grip than 1983 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 2009 Mazda CX-9 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 221 more torque (in Nm) than 1983 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2009 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 1983 Mazda RX-7. 2009 Mazda CX-9 has automatic transmission and 1983 Mazda RX-7 has manual transmission. 1983 Mazda RX-7 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:
| 1983 Mazda RX-7 | 2009 Mazda CX-9 | |
| Make | Mazda | Mazda |
| Model | RX-7 | CX-9 |
| Year Released | 1983 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 3724 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 105 HP | 273 HP |
| Engine RPM | 6000 RPM | 6250 RPM |
| Torque | 145 Nm | 366 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1060 kg | 1180 kg |
| Vehicle Length | 4290 mm | 5080 mm |
| Vehicle Width | 1680 mm | 1940 mm |
| Vehicle Height | 1270 mm | 1730 mm |
| Wheelbase Size | 2430 mm | 2880 mm |
| Fuel Tank Capacity | 65 L | 76 L |
