2004 Fiat Siena vs. 1975 Monteverdi Hai 450
To start off, 2004 Fiat Siena is newer by 29 year(s). Which means there will be less support and parts availability for 1975 Monteverdi Hai 450. In addition, the cost of maintenance, including insurance, on 1975 Monteverdi Hai 450 would be higher. At 6,974 cc (8 cylinders), 1975 Monteverdi Hai 450 is equipped with a bigger engine. In terms of performance, 1975 Monteverdi Hai 450 (444 HP @ 5000 RPM) has 374 more horse power than 2004 Fiat Siena. (70 HP @ 5750 RPM) In normal driving conditions, 1975 Monteverdi Hai 450 should accelerate faster than 2004 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1975 Monteverdi Hai 450 weights approximately 270 kg more than 2004 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 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 1975 Monteverdi Hai 450. However, in wet, icy, snow, or gravel driving conditions, 2004 Fiat Siena, 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.
Compare all specifications:
| 2004 Fiat Siena | 1975 Monteverdi Hai 450 | |
| Make | Fiat | Monteverdi |
| Model | Siena | Hai 450 |
| Year Released | 2004 | 1975 |
| Engine Position | Front | Middle |
| Engine Size | 999 cc | 6974 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 444 HP |
| Engine RPM | 5750 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1020 kg | 1290 kg |
| Vehicle Length | 4110 mm | 4360 mm |
| Vehicle Width | 1630 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1100 mm |
| Wheelbase Size | 2380 mm | 2520 mm |
