1977 Bristol 412 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 36 year(s). Which means there will be less support and parts availability for 1977 Bristol 412. In addition, the cost of maintenance, including insurance, on 1977 Bristol 412 would be higher. At 5,898 cc (8 cylinders), 1977 Bristol 412 is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (437 HP @ 5500 RPM) has 266 more horse power than 1977 Bristol 412. (171 HP @ 4000 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 1977 Bristol 412. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 399 kg more than 1977 Bristol 412. 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 1977 Bristol 412. 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 283 more torque (in Nm) than 1977 Bristol 412. (366 Nm @ 2000 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 1977 Bristol 412.
Compare all specifications:
| 1977 Bristol 412 | 2013 BMW 6 series | |
| Make | Bristol | BMW |
| Model | 412 | 6 series |
| Year Released | 1977 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 5898 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 171 HP | 437 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 366 Nm | 649 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Engine Bore Size | 101.7 mm | 89 mm |
| Engine Stroke Size | 90.9 mm | 88 mm |
| Engine Compression Ratio | 8.0:1 | 10.0 :1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1690 kg | 2089 kg |
| Vehicle Length | 4950 mm | 5009 mm |
| Vehicle Width | 1780 mm | 2081 mm |
| Vehicle Height | 1450 mm | 1392 mm |
| Wheelbase Size | 2910 mm | 2968 mm |
