1986 Alfa Romeo 75 vs. 2006 Infiniti Q45
To start off, 2006 Infiniti Q45 is newer by 20 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo 75 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 188 more horse power than 1986 Alfa Romeo 75. (152 HP @ 5800 RPM) In normal driving conditions, 2006 Infiniti Q45 should accelerate faster than 1986 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti Q45 weights approximately 110 kg more than 1986 Alfa Romeo 75. 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 227 more torque (in Nm) than 1986 Alfa Romeo 75. (225 Nm @ 2600 RPM). This means 2006 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo 75. 2006 Infiniti Q45 has automatic transmission and 1986 Alfa Romeo 75 has manual transmission. 1986 Alfa Romeo 75 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:
| 1986 Alfa Romeo 75 | 2006 Infiniti Q45 | |
| Make | Alfa Romeo | Infiniti |
| Model | 75 | Q45 |
| Year Released | 1986 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 4490 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 152 HP | 340 HP |
| Engine RPM | 5800 RPM | 6400 RPM |
| Torque | 225 Nm | 452 Nm |
| Torque RPM | 2600 RPM | 4000 RPM |
| Engine Compression Ratio | 7.5:1 | 9.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1210 kg | 1320 kg |
| Vehicle Length | 4430 mm | 5110 mm |
| Vehicle Width | 1670 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1500 mm |
| Wheelbase Size | 2520 mm | 2880 mm |
| Fuel Tank Capacity | 68 L | 81 L |
