2001 BMW X5 vs. 1971 Buick Riviera
To start off, 2001 BMW X5 is newer by 30 year(s). Which means there will be less support and parts availability for 1971 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1971 Buick Riviera would be higher. At 7,468 cc (8 cylinders), 1971 Buick Riviera is equipped with a bigger engine. In terms of performance, 1971 Buick Riviera (311 HP @ 4200 RPM) has 84 more horse power than 2001 BMW X5. (227 HP @ 5900 RPM) In normal driving conditions, 1971 Buick Riviera should accelerate faster than 2001 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 30 kg more than 1971 Buick Riviera.
Because 2001 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2001 BMW X5 will offer significantly more control. 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, 1971 Buick Riviera (617 Nm @ 2600 RPM) has 317 more torque (in Nm) than 2001 BMW X5. (300 Nm @ 3500 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW X5. 1971 Buick Riviera has automatic transmission and 2001 BMW X5 has manual transmission. 2001 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1971 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 BMW X5 | 1971 Buick Riviera | |
| Make | BMW | Buick |
| Model | X5 | Riviera |
| Year Released | 2001 | 1971 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 7468 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 227 HP | 311 HP |
| Engine RPM | 5900 RPM | 4200 RPM |
| Torque | 300 Nm | 617 Nm |
| Torque RPM | 3500 RPM | 2600 RPM |
| Engine Compression Ratio | 10.2:1 | 8.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2070 kg | 2040 kg |
| Vehicle Length | 4670 mm | 5560 mm |
| Vehicle Width | 1880 mm | 2040 mm |
| Vehicle Height | 1720 mm | 1380 mm |
| Wheelbase Size | 2830 mm | 3110 mm |
