1986 Alfa Romeo 75 vs. 2007 Daihatsu Sirion
To start off, 2007 Daihatsu Sirion is newer by 21 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 2,393 cc (6 cylinders), 1986 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1986 Alfa Romeo 75 (153 HP @ 5500 RPM) has 52 more horse power than 2007 Daihatsu Sirion. (101 HP @ 3600 RPM). In normal driving conditions, 1986 Alfa Romeo 75 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1986 Alfa Romeo 75 weights approximately 220 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Alfa Romeo 75 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1986 Alfa Romeo 75. However, in wet, icy, snow, or gravel driving conditions, 2007 Daihatsu Sirion, being front wheel drive (FWD), will offer much better control with better grip. 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 (206 Nm @ 3200 RPM) has 66 more torque (in Nm) than 2007 Daihatsu Sirion. (140 Nm @ 4600 RPM). This means 1986 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 1986 Alfa Romeo 75 | 2007 Daihatsu Sirion | |
| Make | Alfa Romeo | Daihatsu |
| Model | 75 | Sirion |
| Year Released | 1986 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 153 HP | 101 HP |
| Engine RPM | 5500 RPM | 3600 RPM |
| Torque | 206 Nm | 140 Nm |
| Torque RPM | 3200 RPM | 4600 RPM |
| Engine Bore Size | 88 mm | 72 mm |
| Engine Stroke Size | 68.3 mm | 79.7 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 940 kg |
| Vehicle Length | 4340 mm | 3610 mm |
| Vehicle Width | 1640 mm | 1560 mm |
| Vehicle Height | 1360 mm | 1670 mm |
| Wheelbase Size | 2460 mm | 2440 mm |
| Fuel Tank Capacity | 68 L | 40 L |
