2009 BMW Z4 vs. 1973 Buick Riviera
To start off, 2009 BMW Z4 is newer by 36 year(s). Which means there will be less support and parts availability for 1973 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1973 Buick Riviera would be higher. At 7,468 cc (8 cylinders), 1973 Buick Riviera is equipped with a bigger engine. In terms of performance, 1973 Buick Riviera (250 HP @ 4000 RPM) has 35 more horse power than 2009 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 1973 Buick Riviera should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1973 Buick Riviera weights approximately 750 kg more than 2009 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, 1973 Buick Riviera (518 Nm @ 2800 RPM) has 268 more torque (in Nm) than 2009 BMW Z4. (250 Nm @ 2000 RPM). This means 1973 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2009 BMW Z4 | 1973 Buick Riviera | |
| Make | BMW | Buick |
| Model | Z4 | Riviera |
| Year Released | 2009 | 1973 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 7468 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 250 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 250 Nm | 518 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1290 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 |
