2001 Daihatsu Sirion vs. 1973 Monteverdi Hai 450
To start off, 2001 Daihatsu Sirion is newer by 28 year(s). Which means there will be less support and parts availability for 1973 Monteverdi Hai 450. In addition, the cost of maintenance, including insurance, on 1973 Monteverdi Hai 450 would be higher. At 6,974 cc (8 cylinders), 1973 Monteverdi Hai 450 is equipped with a bigger engine. In terms of performance, 1973 Monteverdi Hai 450 (444 HP @ 5000 RPM) has 344 more horse power than 2001 Daihatsu Sirion. (100 HP @ 7000 RPM) In normal driving conditions, 1973 Monteverdi Hai 450 should accelerate faster than 2001 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1973 Monteverdi Hai 450 weights approximately 420 kg more than 2001 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 Monteverdi Hai 450 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 1973 Monteverdi Hai 450. However, in wet, icy, snow, or gravel driving conditions, 2001 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, 1973 Monteverdi Hai 450 (586 Nm @ 4000 RPM) has 465 more torque (in Nm) than 2001 Daihatsu Sirion. (121 Nm @ 4400 RPM). This means 1973 Monteverdi Hai 450 will have an easier job in driving up hills or pulling heavy equipment than 2001 Daihatsu Sirion. 2001 Daihatsu Sirion has automatic transmission and 1973 Monteverdi Hai 450 has manual transmission. 1973 Monteverdi Hai 450 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 Daihatsu Sirion | 1973 Monteverdi Hai 450 | |
| Make | Daihatsu | Monteverdi |
| Model | Sirion | Hai 450 |
| Year Released | 2001 | 1973 |
| Engine Position | Front | Middle |
| Engine Size | 1298 cc | 6974 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 444 HP |
| Engine RPM | 7000 RPM | 5000 RPM |
| Torque | 121 Nm | 586 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 72 mm | 108 mm |
| Engine Stroke Size | 79.7 mm | 95.2 mm |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 870 kg | 1290 kg |
| Vehicle Length | 3680 mm | 4380 mm |
| Vehicle Width | 1600 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1100 mm |
| Wheelbase Size | 2380 mm | 2520 mm |
| Fuel Tank Capacity | 40 L | 130 L |
