2006 BMW Z4 vs. 1974 Buick Riviera
To start off, 2006 BMW Z4 is newer by 32 year(s). Which means there will be less support and parts availability for 1974 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1974 Buick Riviera would be higher. At 7,468 cc (6 cylinders), 1974 Buick Riviera is equipped with a bigger engine. In terms of performance, 1974 Buick Riviera (250 HP @ 4000 RPM) has 61 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 1974 Buick Riviera should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1974 Buick Riviera weights approximately 705 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1974 Buick Riviera (518 Nm @ 2800 RPM) has 273 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 1974 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 1974 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. 1974 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 1974 Buick Riviera | |
| Make | BMW | Buick |
| Model | Z4 | Riviera |
| Year Released | 2006 | 1974 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 7468 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 189 HP | 250 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 245 Nm | 518 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1335 kg | 2040 kg |
| Vehicle Length | 4100 mm | 5560 mm |
| Vehicle Width | 1790 mm | 2040 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2500 mm | 3110 mm |
| Fuel Tank Capacity | 55 L | 95 L |
