1976 Bristol 603 vs. 1970 Monteverdi Hai 450
To start off, 1976 Bristol 603 is newer by 6 year(s). Which means there will be less support and parts availability for 1970 Monteverdi Hai 450. In addition, the cost of maintenance, including insurance, on 1970 Monteverdi Hai 450 would be higher. At 6,974 cc (8 cylinders), 1970 Monteverdi Hai 450 is equipped with a bigger engine. In terms of performance, 1970 Monteverdi Hai 450 (391 HP @ 5000 RPM) has 246 more horse power than 1976 Bristol 603. (145 HP @ 4000 RPM) In normal driving conditions, 1970 Monteverdi Hai 450 should accelerate faster than 1976 Bristol 603. With that said, vehicle weight also plays an important factor in acceleration. 1976 Bristol 603 weights approximately 495 kg more than 1970 Monteverdi Hai 450.
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, 1970 Monteverdi Hai 450 (586 Nm @ 4000 RPM) has 253 more torque (in Nm) than 1976 Bristol 603. (333 Nm @ 1600 RPM). This means 1970 Monteverdi Hai 450 will have an easier job in driving up hills or pulling heavy equipment than 1976 Bristol 603. 1976 Bristol 603 has automatic transmission and 1970 Monteverdi Hai 450 has manual transmission. 1970 Monteverdi Hai 450 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1976 Bristol 603 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1976 Bristol 603 | 1970 Monteverdi Hai 450 | |
| Make | Bristol | Monteverdi |
| Model | 603 | Hai 450 |
| Year Released | 1976 | 1970 |
| Engine Position | Front | Middle |
| Engine Size | 5210 cc | 6974 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 391 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 333 Nm | 586 Nm |
| Torque RPM | 1600 RPM | 4000 RPM |
| Engine Compression Ratio | 8.0:1 | 10.3:1 |
| Top Speed | 225 km/hour | 290 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1785 kg | 1290 kg |
| Vehicle Length | 4920 mm | 4410 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1100 mm |
| Wheelbase Size | 2910 mm | 2520 mm |
| Fuel Tank Capacity | 81 L | 130 L |
