1966 Alfa Romeo Spider vs. 2009 Infiniti M
To start off, 2009 Infiniti M is newer by 43 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Spider would be higher. At 4,493 cc (8 cylinders), 2009 Infiniti M is equipped with a bigger engine. In terms of performance, 2009 Infiniti M (325 HP @ 6400 RPM) has 162 more horse power than 1966 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 2009 Infiniti M should accelerate faster than 1966 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti M weights approximately 389 kg more than 1966 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 Infiniti M (456 Nm @ 4000 RPM) has 236 more torque (in Nm) than 1966 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 2009 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo Spider.
Compare all specifications:
| 1966 Alfa Romeo Spider | 2009 Infiniti M | |
| Make | Alfa Romeo | Infiniti |
| Model | Spider | M |
| Year Released | 1966 | 2009 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 4493 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 325 HP |
| Engine RPM | 5900 RPM | 6400 RPM |
| Torque | 220 Nm | 456 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1719 kg |
| Vehicle Length | 4510 mm | 4940 mm |
| Vehicle Width | 1610 mm | 1810 mm |
| Vehicle Height | 1390 mm | 1530 mm |
| Wheelbase Size | 2510 mm | 2910 mm |
| Fuel Tank Capacity | 46 L | 76 L |
