1971 Buick Riviera vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 42 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, 2013 BMW 6 series (437 HP @ 5500 RPM) has 126 more horse power than 1971 Buick Riviera. (311 HP @ 4200 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 1971 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 49 kg more than 1971 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 6 series is all wheel drive (AWD), it will have significant more traction and grip than 1971 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2013 BMW 6 series 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, 2013 BMW 6 series (649 Nm @ 4500 RPM) has 32 more torque (in Nm) than 1971 Buick Riviera. (617 Nm @ 2600 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 1971 Buick Riviera.
Compare all specifications:
| 1971 Buick Riviera | 2013 BMW 6 series | |
| Make | Buick | BMW |
| Model | Riviera | 6 series |
| Year Released | 1971 | 2013 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 311 HP | 437 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 617 Nm | 649 Nm |
| Torque RPM | 2600 RPM | 4500 RPM |
| Engine Compression Ratio | 8.3:1 | 10.0 :1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2040 kg | 2089 kg |
| Vehicle Length | 5560 mm | 5009 mm |
| Vehicle Width | 2040 mm | 2081 mm |
| Vehicle Height | 1380 mm | 1392 mm |
| Wheelbase Size | 3110 mm | 2968 mm |
