2009 Cadillac XLR vs. 1973 Monteverdi Hai 450
To start off, 2009 Cadillac XLR 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 122 more horse power than 2009 Cadillac XLR. (322 HP @ 6450 RPM) In normal driving conditions, 1973 Monteverdi Hai 450 should accelerate faster than 2009 Cadillac XLR. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac XLR weights approximately 432 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 163 more torque (in Nm) than 2009 Cadillac XLR. (423 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 XLR. 2009 Cadillac XLR 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 XLR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac XLR | 1973 Monteverdi Hai 450 | |
| Make | Cadillac | Monteverdi |
| Model | XLR | 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 | 322 HP | 444 HP |
| Engine RPM | 6450 RPM | 5000 RPM |
| Torque | 423 Nm | 586 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 108 mm |
| Engine Stroke Size | 84 mm | 95.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 280 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1722 kg | 1290 kg |
| Vehicle Length | 4520 mm | 4380 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1290 mm | 1100 mm |
| Wheelbase Size | 2690 mm | 2520 mm |
| Fuel Tank Capacity | 68 L | 130 L |
