1999 Infiniti Q45 vs. 1974 Mercury Cougar
To start off, 1999 Infiniti Q45 is newer by 25 year(s). Which means there will be less support and parts availability for 1974 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1974 Mercury Cougar would be higher. At 5,752 cc (8 cylinders), 1974 Mercury Cougar is equipped with a bigger engine. In terms of performance, 1999 Infiniti Q45 (265 HP @ 5600 RPM) has 104 more horse power than 1974 Mercury Cougar. (161 HP @ 4000 RPM). In normal driving conditions, 1999 Infiniti Q45 should accelerate faster than 1974 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti Q45 weights approximately 184 kg more than 1974 Mercury Cougar. 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, 1974 Mercury Cougar (382 Nm @ 2000 RPM) has 4 more torque (in Nm) than 1999 Infiniti Q45. (378 Nm @ 4000 RPM). This means 1974 Mercury Cougar will have an easier job in driving up hills or pulling heavy equipment than 1999 Infiniti Q45. 1999 Infiniti Q45 has automatic transmission and 1974 Mercury Cougar has manual transmission. 1974 Mercury Cougar will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Infiniti Q45 | 1974 Mercury Cougar | |
| Make | Infiniti | Mercury |
| Model | Q45 | Cougar |
| Year Released | 1999 | 1974 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4128 cc | 5752 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 265 HP | 161 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 378 Nm | 382 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Compression Ratio | 10.5:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1759 kg | 1575 kg |
| Vehicle Length | 5080 mm | 5010 mm |
| Vehicle Width | 1830 mm | 1920 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 2840 mm | 2860 mm |
