1978 Bristol 412 vs. 2002 BMW X5
To start off, 2002 BMW X5 is newer by 24 year(s). Which means there will be less support and parts availability for 1978 Bristol 412. In addition, the cost of maintenance, including insurance, on 1978 Bristol 412 would be higher. At 5,898 cc (8 cylinders), 1978 Bristol 412 is equipped with a bigger engine. In terms of performance, 2002 BMW X5 (329 HP @ 5700 RPM) has 158 more horse power than 1978 Bristol 412. (171 HP @ 4000 RPM) In normal driving conditions, 2002 BMW X5 should accelerate faster than 1978 Bristol 412. With that said, vehicle weight also plays an important factor in acceleration. 2002 BMW X5 weights approximately 490 kg more than 1978 Bristol 412. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Bristol 412. In wet, icy, snow, or gravel driving conditions, 2002 BMW X5 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, 2002 BMW X5 (480 Nm @ 3700 RPM) has 114 more torque (in Nm) than 1978 Bristol 412. (366 Nm @ 2000 RPM). This means 2002 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1978 Bristol 412.
Compare all specifications:
| 1978 Bristol 412 | 2002 BMW X5 | |
| Make | Bristol | BMW |
| Model | 412 | X5 |
| Year Released | 1978 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 5898 cc | 4619 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 171 HP | 329 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 366 Nm | 480 Nm |
| Torque RPM | 2000 RPM | 3700 RPM |
| Engine Bore Size | 101.6 mm | 93 mm |
| Engine Stroke Size | 90.9 mm | 85 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1690 kg | 2180 kg |
| Vehicle Length | 4950 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1710 mm |
| Wheelbase Size | 2910 mm | 2830 mm |
