1983 Alfa Romeo Spider vs. 2006 Infiniti Q45
To start off, 2006 Infiniti Q45 is newer by 23 year(s). Which means there will be less support and parts availability for 1983 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1983 Alfa Romeo Spider 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 214 more horse power than 1983 Alfa Romeo Spider. (126 HP @ 5400 RPM) In normal driving conditions, 2006 Infiniti Q45 should accelerate faster than 1983 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti Q45 weights approximately 280 kg more than 1983 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, 2006 Infiniti Q45 (452 Nm @ 4000 RPM) has 269 more torque (in Nm) than 1983 Alfa Romeo Spider. (183 Nm @ 4000 RPM). This means 2006 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1983 Alfa Romeo Spider. 2006 Infiniti Q45 has automatic transmission and 1983 Alfa Romeo Spider has manual transmission. 1983 Alfa Romeo Spider 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:
| 1983 Alfa Romeo Spider | 2006 Infiniti Q45 | |
| Make | Alfa Romeo | Infiniti |
| Model | Spider | Q45 |
| Year Released | 1983 | 2006 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1962 cc | 4490 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 126 HP | 340 HP |
| Engine RPM | 5400 RPM | 6400 RPM |
| Torque | 183 Nm | 452 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 88.5 mm | 82.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1040 kg | 1320 kg |
| Vehicle Length | 4250 mm | 5110 mm |
| Vehicle Width | 1640 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1500 mm |
| Wheelbase Size | 2260 mm | 2880 mm |
| Fuel Tank Capacity | 50 L | 81 L |
