2009 Infiniti QX56 vs. 1979 Mazda RX-7
To start off, 2009 Infiniti QX56 is newer by 30 year(s). Which means there will be less support and parts availability for 1979 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1979 Mazda RX-7 would be higher. At 5,552 cc (8 cylinders), 2009 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 216 more horse power than 1979 Mazda RX-7. (104 HP @ 6000 RPM). In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 1979 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti QX56 weights approximately 659 kg more than 1979 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 Infiniti QX56 (533 Nm @ 3400 RPM) has 388 more torque (in Nm) than 1979 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda RX-7. 2009 Infiniti QX56 has automatic transmission and 1979 Mazda RX-7 has manual transmission. 1979 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
2009 Infiniti QX56 | 1979 Mazda RX-7 | |
Make | Infiniti | Mazda |
Model | QX56 | RX-7 |
Year Released | 2009 | 1979 |
Body Type | SUV | Coupe |
Engine Position | Front | Front |
Engine Size | 5552 cc | 2292 cc |
Engine Type | V | dual-disk rotary |
Horse Power | 320 HP | 104 HP |
Engine RPM | 5200 RPM | 6000 RPM |
Torque | 533 Nm | 145 Nm |
Torque RPM | 3400 RPM | 4000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Manual |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1719 kg | 1060 kg |
Vehicle Length | 5260 mm | 4290 mm |
Vehicle Width | 2010 mm | 1680 mm |
Vehicle Height | 1980 mm | 1270 mm |
Wheelbase Size | 3140 mm | 2430 mm |
Fuel Tank Capacity | 106 L | 65 L |