1975 Alfa Romeo Spider vs. 2009 Mazda CX-9
To start off, 2009 Mazda CX-9 is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Spider would be higher. At 3,724 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 141 more horse power than 1975 Alfa Romeo Spider. (132 HP @ 5400 RPM) In normal driving conditions, 2009 Mazda CX-9 should accelerate faster than 1975 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda CX-9 weights approximately 151 kg more than 1975 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 1975 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 185 more torque (in Nm) than 1975 Alfa Romeo Spider. (181 Nm @ 4000 RPM). This means 2009 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Spider. 2009 Mazda CX-9 has automatic transmission and 1975 Alfa Romeo Spider has manual transmission. 1975 Alfa Romeo Spider will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mazda CX-9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Alfa Romeo Spider | 2009 Mazda CX-9 | |
| Make | Alfa Romeo | Mazda |
| Model | Spider | CX-9 |
| Year Released | 1975 | 2009 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3724 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 132 HP | 273 HP |
| Engine RPM | 5400 RPM | 6250 RPM |
| Torque | 181 Nm | 366 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Compression Ratio | 9.0:1 | 9.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1191 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 |
