1976 Mazda RX-4 vs. 2007 Mazda CX-9
To start off, 2007 Mazda CX-9 is newer by 31 year(s). Which means there will be less support and parts availability for 1976 Mazda RX-4. In addition, the cost of maintenance, including insurance, on 1976 Mazda RX-4 would be higher. At 3,496 cc (6 cylinders), 2007 Mazda CX-9 is equipped with a bigger engine. In terms of performance, 2007 Mazda CX-9 (263 HP @ 6250 RPM) has 149 more horse power than 1976 Mazda RX-4. (114 HP @ 6000 RPM) In normal driving conditions, 2007 Mazda CX-9 should accelerate faster than 1976 Mazda RX-4.
Because 2007 Mazda CX-9 is four wheel drive (4WD), it will have significant more traction and grip than 1976 Mazda RX-4. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Mazda CX-9 (338 Nm @ 4500 RPM) has 173 more torque (in Nm) than 1976 Mazda RX-4. (165 Nm @ 4000 RPM). This means 2007 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 1976 Mazda RX-4.
Compare all specifications:
| 1976 Mazda RX-4 | 2007 Mazda CX-9 | |
| Make | Mazda | Mazda |
| Model | RX-4 | CX-9 |
| Year Released | 1976 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 3496 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 114 HP | 263 HP |
| Engine RPM | 6000 RPM | 6250 RPM |
| Torque | 165 Nm | 338 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4400 mm | 5080 mm |
| Vehicle Width | 1670 mm | 1940 mm |
| Vehicle Height | 1390 mm | 1740 mm |
| Wheelbase Size | 2520 mm | 2880 mm |
