2006 BMW Z4 vs. 1970 Buick Riviera
To start off, 2006 BMW Z4 is newer by 36 year(s). Which means there will be less support and parts availability for 1970 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1970 Buick Riviera would be higher. At 7,468 cc (6 cylinders), 1970 Buick Riviera is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (343 HP @ 7900 RPM) has 78 more horse power than 1970 Buick Riviera. (265 HP @ 4600 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1970 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1970 Buick Riviera weights approximately 654 kg more than 2006 BMW Z4.
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 Buick Riviera (522 Nm @ 2800 RPM) has 27 more torque (in Nm) than 2006 BMW Z4. (495 Nm @ 4900 RPM). This means 1970 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 1970 Buick Riviera has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1970 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 1970 Buick Riviera | |
| Make | BMW | Buick |
| Model | Z4 | Riviera |
| Year Released | 2006 | 1970 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 7468 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 343 HP | 265 HP |
| Engine RPM | 7900 RPM | 4600 RPM |
| Torque | 495 Nm | 522 Nm |
| Torque RPM | 4900 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1332 kg | 1986 kg |
| Vehicle Length | 4100 mm | 5480 mm |
| Vehicle Width | 1790 mm | 2020 mm |
| Vehicle Height | 1300 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 3030 mm |
