1974 Alfa Romeo Spider vs. 2003 Infiniti Q45
To start off, 2003 Infiniti Q45 is newer by 29 year(s). Which means there will be less support and parts availability for 1974 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1974 Alfa Romeo Spider would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 251 more horse power than 1974 Alfa Romeo Spider. (89 HP @ 6000 RPM) In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 1974 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti Q45 weights approximately 820 kg more than 1974 Alfa Romeo Spider. 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, 2003 Infiniti Q45 (451 Nm) has 330 more torque (in Nm) than 1974 Alfa Romeo Spider. (121 Nm). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1974 Alfa Romeo Spider.
Compare all specifications:
| 1974 Alfa Romeo Spider | 2003 Infiniti Q45 | |
| Make | Alfa Romeo | Infiniti |
| Model | Spider | Q45 |
| Year Released | 1974 | 2003 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1289 cc | 4494 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 89 HP | 340 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 121 Nm | 451 Nm |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 984 kg | 1804 kg |
| Vehicle Length | 4130 mm | 5080 mm |
| Vehicle Width | 1640 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1500 mm |
| Wheelbase Size | 2260 mm | 2880 mm |
