1989 Infiniti Q45 vs. 1981 Mazda Cosmo
To start off, 1989 Infiniti Q45 is newer by 8 year(s). Which means there will be less support and parts availability for 1981 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1981 Mazda Cosmo would be higher. At 4,494 cc (8 cylinders), 1989 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 1989 Infiniti Q45 (277 HP @ 6000 RPM) has 211 more horse power than 1981 Mazda Cosmo. (66 HP @ 4000 RPM). In normal driving conditions, 1989 Infiniti Q45 should accelerate faster than 1981 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1989 Infiniti Q45 weights approximately 555 kg more than 1981 Mazda Cosmo. 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, 1989 Infiniti Q45 (396 Nm @ 4000 RPM) has 254 more torque (in Nm) than 1981 Mazda Cosmo. (142 Nm @ 2400 RPM). This means 1989 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda Cosmo. 1989 Infiniti Q45 has automatic transmission and 1981 Mazda Cosmo has manual transmission. 1981 Mazda Cosmo will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1989 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Infiniti Q45 | 1981 Mazda Cosmo | |
| Make | Infiniti | Mazda |
| Model | Q45 | Cosmo |
| Year Released | 1989 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 2210 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 277 HP | 66 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 396 Nm | 142 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1195 kg |
| Vehicle Length | 5080 mm | 4670 mm |
| Vehicle Width | 1830 mm | 1700 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
