1971 Alfa Romeo Spider vs. 2009 Mazda CX-9
To start off, 2009 Mazda CX-9 is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1971 Alfa Romeo Spider would be higher. At 3,725 cc (6 cylinders), 2009 Mazda CX-9 is equipped with a bigger engine. In terms of performance, 2009 Mazda CX-9 (273 HP @ 6250 RPM) has 142 more horse power than 1971 Alfa Romeo Spider. (131 HP @ 5500 RPM) In normal driving conditions, 2009 Mazda CX-9 should accelerate faster than 1971 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda CX-9 weights approximately 289 kg more than 1971 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mazda CX-9 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2009 Mazda CX-9 will offer significantly more control. 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, 2009 Mazda CX-9 (366 Nm @ 4500 RPM) has 176 more torque (in Nm) than 1971 Alfa Romeo Spider. (190 Nm @ 3500 RPM). This means 2009 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 1971 Alfa Romeo Spider.
Compare all specifications:
| 1971 Alfa Romeo Spider | 2009 Mazda CX-9 | |
| Make | Alfa Romeo | Mazda |
| Model | Spider | CX-9 |
| Year Released | 1971 | 2009 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 1962 cc | 3725 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 131 HP | 273 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 190 Nm | 366 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1329 kg |
| Vehicle Length | 4130 mm | 5080 mm |
| Vehicle Width | 1640 mm | 1940 mm |
| Vehicle Height | 1300 mm | 1730 mm |
| Wheelbase Size | 2260 mm | 2880 mm |
