2006 Infiniti Q45 vs. 1989 Mazda RX-7
To start off, 2006 Infiniti Q45 is newer by 17 year(s). Which means there will be less support and parts availability for 1989 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1989 Mazda RX-7 would be higher. At 4,490 cc (8 cylinders), 2006 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2006 Infiniti Q45 (340 HP @ 6400 RPM) has 140 more horse power than 1989 Mazda RX-7. (200 HP @ 6500 RPM). In normal driving conditions, 2006 Infiniti Q45 should accelerate faster than 1989 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti Q45 weights approximately 35 kg more than 1989 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, 2006 Infiniti Q45 (452 Nm @ 4000 RPM) has 188 more torque (in Nm) than 1989 Mazda RX-7. (264 Nm @ 3500 RPM). This means 2006 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1989 Mazda RX-7. 2006 Infiniti Q45 has automatic transmission and 1989 Mazda RX-7 has manual transmission. 1989 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Infiniti Q45 | 1989 Mazda RX-7 | |
| Make | Infiniti | Mazda |
| Model | Q45 | RX-7 |
| Year Released | 2006 | 1989 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4490 cc | 2614 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 340 HP | 200 HP |
| Engine RPM | 6400 RPM | 6500 RPM |
| Torque | 452 Nm | 264 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Compression Ratio | 9.5:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1285 kg |
| Vehicle Length | 5110 mm | 4340 mm |
| Vehicle Width | 1850 mm | 1700 mm |
| Vehicle Height | 1500 mm | 1270 mm |
| Wheelbase Size | 2880 mm | 2430 mm |
