2008 Mazda CX-9 vs. 1978 Mazda RX-7
To start off, 2008 Mazda CX-9 is newer by 30 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-7 would be higher. At 3,726 cc (6 cylinders), 2008 Mazda CX-9 is equipped with a bigger engine. In terms of performance, 2008 Mazda CX-9 (270 HP @ 6250 RPM) has 165 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM). In normal driving conditions, 2008 Mazda CX-9 should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mazda CX-9 weights approximately 120 kg more than 1978 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Mazda CX-9 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Mazda CX-9 (370 Nm @ 4500 RPM) has 225 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2008 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7. 2008 Mazda CX-9 has automatic transmission and 1978 Mazda RX-7 has manual transmission. 1978 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mazda CX-9 will be easier to drive especially in heavy traffic.
Compare all specifications:
2008 Mazda CX-9 | 1978 Mazda RX-7 | |
Make | Mazda | Mazda |
Model | CX-9 | RX-7 |
Year Released | 2008 | 1978 |
Body Type | SUV | Coupe |
Engine Position | Front | Front |
Engine Size | 3726 cc | 2292 cc |
Engine Type | V | dual-disk rotary |
Horse Power | 270 HP | 105 HP |
Engine RPM | 6250 RPM | 6000 RPM |
Torque | 370 Nm | 145 Nm |
Torque RPM | 4500 RPM | 4000 RPM |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1180 kg | 1060 kg |
Vehicle Length | 5080 mm | 4290 mm |
Vehicle Width | 1940 mm | 1680 mm |
Vehicle Height | 1730 mm | 1280 mm |
Wheelbase Size | 2880 mm | 2430 mm |
Fuel Tank Capacity | 76 L | 65 L |