1991 Buick Riviera vs. 1970 Monteverdi Hai 450
To start off, 1991 Buick Riviera is newer by 21 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 221 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 1970 Monteverdi Hai 450 should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Riviera weights approximately 230 kg more than 1970 Monteverdi Hai 450.
Because 1970 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 1970 Monteverdi Hai 450. However, in wet, icy, snow, or gravel driving conditions, 1991 Buick Riviera, 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 450 (586 Nm @ 4000 RPM) has 301 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 1970 Monteverdi Hai 450 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera. 1991 Buick Riviera 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. 1991 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick Riviera | 1970 Monteverdi Hai 450 | |
| Make | Buick | Monteverdi |
| Model | Riviera | Hai 450 |
| Year Released | 1991 | 1970 |
| Engine Position | Front | Middle |
| Engine Size | 3800 cc | 6974 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 391 HP |
| Engine RPM | 4800 RPM | 5000 RPM |
| Torque | 285 Nm | 586 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 96.5 mm | 108 mm |
| Engine Stroke Size | 86.4 mm | 95.2 mm |
| Engine Compression Ratio | 8.5:1 | 10.3:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1520 kg | 1290 kg |
| Vehicle Length | 5040 mm | 4410 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1100 mm |
| Wheelbase Size | 2760 mm | 2520 mm |
