2007 BMW X3 vs. 1976 Bristol 603
To start off, 2007 BMW X3 is newer by 31 year(s). Which means there will be less support and parts availability for 1976 Bristol 603. In addition, the cost of maintenance, including insurance, on 1976 Bristol 603 would be higher. At 5,210 cc (8 cylinders), 1976 Bristol 603 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (283 HP @ 4400 RPM) has 138 more horse power than 1976 Bristol 603. (145 HP @ 4000 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1976 Bristol 603. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 165 kg more than 1976 Bristol 603. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1976 Bristol 603. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (580 Nm @ 1750 RPM) has 247 more torque (in Nm) than 1976 Bristol 603. (333 Nm @ 1600 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1976 Bristol 603.
Compare all specifications:
| 2007 BMW X3 | 1976 Bristol 603 | |
| Make | BMW | Bristol |
| Model | X3 | 603 |
| Year Released | 2007 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5210 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 283 HP | 145 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 580 Nm | 333 Nm |
| Torque RPM | 1750 RPM | 1600 RPM |
| Engine Compression Ratio | 17.0:1 | 8.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 240 km/hour | 225 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1950 kg | 1785 kg |
| Vehicle Length | 4570 mm | 4920 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1680 mm | 1450 mm |
| Wheelbase Size | 2800 mm | 2910 mm |
| Fuel Tank Capacity | 67 L | 81 L |
