2009 Cadillac STS vs. 1973 Monteverdi Hai 450
To start off, 2009 Cadillac STS is newer by 36 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 124 more horse power than 2009 Cadillac STS. (320 HP @ 6400 RPM) In normal driving conditions, 1973 Monteverdi Hai 450 should accelerate faster than 2009 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 270 kg more than 1973 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, 1973 Monteverdi Hai 450 (586 Nm @ 4000 RPM) has 159 more torque (in Nm) than 2009 Cadillac STS. (427 Nm @ 4400 RPM). This means 1973 Monteverdi Hai 450 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS. 2009 Cadillac STS 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. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 1973 Monteverdi Hai 450 | |
| Make | Cadillac | Monteverdi |
| Model | STS | Hai 450 |
| Year Released | 2009 | 1973 |
| Engine Position | Front | Middle |
| Engine Size | 4565 cc | 6974 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 444 HP |
| Engine RPM | 6400 RPM | 5000 RPM |
| Torque | 427 Nm | 586 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Compression Ratio | 10.2:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1290 kg |
| Vehicle Length | 5000 mm | 4380 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1100 mm |
| Wheelbase Size | 2960 mm | 2520 mm |
| Fuel Tank Capacity | 64 L | 130 L |
