2003 Alfa Romeo Spider vs. 2007 Mazda 3
To start off, 2007 Mazda 3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo Spider would be higher. At 1,908 cc (4 cylinders), 2003 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo Spider (148 HP @ 6300 RPM) has 44 more horse power than 2007 Mazda 3. (104 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo Spider should accelerate faster than 2007 Mazda 3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo Spider weights approximately 250 kg more than 2007 Mazda 3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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 Alfa Romeo Spider (181 Nm @ 3800 RPM) has 35 more torque (in Nm) than 2007 Mazda 3. (146 Nm @ 4000 RPM). This means 2003 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda 3.
Compare all specifications:
| 2003 Alfa Romeo Spider | 2007 Mazda 3 | |
| Make | Alfa Romeo | Mazda |
| Model | Spider | 3 |
| Year Released | 2003 | 2007 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 104 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 181 Nm | 146 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 78 mm |
| Engine Stroke Size | 91 mm | 83.6 mm |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 8.4 seconds | 11.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1180 kg |
| Vehicle Length | 4180 mm | 4500 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2650 mm |
| Fuel Consumption Overall | 9.2 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 69 L | 55 L |
