1970 Monteverdi Hai 375 vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 34 year(s). Which means there will be less support and parts availability for 1970 Monteverdi Hai 375. In addition, the cost of maintenance, including insurance, on 1970 Monteverdi Hai 375 would be higher. At 7,206 cc (8 cylinders), 1970 Monteverdi Hai 375 is equipped with a bigger engine. In terms of performance, 1970 Monteverdi Hai 375 (380 HP @ 4600 RPM) has 207 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 1970 Monteverdi Hai 375 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1970 Monteverdi Hai 375 weights approximately 40 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 Monteverdi Hai 375 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 1970 Monteverdi Hai 375. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Signum, 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, 1970 Monteverdi Hai 375 (651 Nm @ 3200 RPM) has 386 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 1970 Monteverdi Hai 375 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 1970 Monteverdi Hai 375 | 2004 Opel Signum | |
| Make | Monteverdi | Opel |
| Model | Hai 375 | Signum |
| Year Released | 1970 | 2004 |
| Engine Position | Middle | Front |
| Engine Size | 7206 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 380 HP | 173 HP |
| Engine RPM | 4600 RPM | 5500 RPM |
| Torque | 651 Nm | 265 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Bore Size | 109.7 mm | 86 mm |
| Engine Stroke Size | 95.3 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Top Speed | 272 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1600 kg | 1560 kg |
| Vehicle Length | 4350 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1040 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
| Fuel Tank Capacity | 130 L | 60 L |
