1968 Buick Riviera vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 36 year(s). Which means there will be less support and parts availability for 1968 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1968 Buick Riviera would be higher. At 7,050 cc (8 cylinders), 1968 Buick Riviera is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 23 more horse power than 1968 Buick Riviera. (305 HP @ 5000 RPM) In normal driving conditions, 2004 BMW 645 should accelerate faster than 1968 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 85 kg more than 2004 BMW 645.
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, 1968 Buick Riviera (645 Nm @ 3200 RPM) has 194 more torque (in Nm) than 2004 BMW 645. (451 Nm @ 3600 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 645.
Compare all specifications:
| 1968 Buick Riviera | 2004 BMW 645 | |
| Make | Buick | BMW |
| Model | Riviera | 645 |
| Year Released | 1968 | 2004 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 305 HP | 328 HP |
| Engine RPM | 5000 RPM | 6100 RPM |
| Torque | 645 Nm | 451 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Engine Bore Size | 106.2 mm | 92 mm |
| Engine Stroke Size | 99.4 mm | 82.7 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 193 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1900 kg | 1815 kg |
| Vehicle Length | 5370 mm | 4830 mm |
| Vehicle Width | 2020 mm | 1860 mm |
| Vehicle Height | 1370 mm | 1380 mm |
| Wheelbase Size | 3030 mm | 2790 mm |
| Fuel Tank Capacity | 75 L | 70 L |
