1986 Alfa Romeo 75 vs. 2003 Mazda Roadster
To start off, 2003 Mazda Roadster is newer by 17 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo 75 would be higher. At 1,779 cc (4 cylinders), 1986 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1986 Alfa Romeo 75 (153 HP @ 5800 RPM) has 30 more horse power than 2003 Mazda Roadster. (123 HP @ 6500 RPM). In normal driving conditions, 1986 Alfa Romeo 75 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 1986 Alfa Romeo 75 weights approximately 176 kg more than 2003 Mazda Roadster. 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, 1986 Alfa Romeo 75 (230 Nm @ 2600 RPM) has 88 more torque (in Nm) than 2003 Mazda Roadster. (142 Nm @ 5000 RPM). This means 1986 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 1986 Alfa Romeo 75 | 2003 Mazda Roadster | |
| Make | Alfa Romeo | Mazda |
| Model | 75 | Roadster |
| Year Released | 1986 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 153 HP | 123 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 230 Nm | 142 Nm |
| Torque RPM | 2600 RPM | 5000 RPM |
| Engine Bore Size | 80 mm | 78 mm |
| Engine Stroke Size | 88.5 mm | 83.6 mm |
| Engine Compression Ratio | 7.5:1 | 9.4:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1206 kg | 1030 kg |
| Vehicle Length | 4340 mm | 3960 mm |
| Vehicle Width | 1640 mm | 1690 mm |
| Vehicle Height | 1360 mm | 1240 mm |
| Wheelbase Size | 2460 mm | 2270 mm |
| Fuel Tank Capacity | 68 L | 48 L |
