2006 BMW Z4 vs. 1951 Bristol 401
To start off, 2006 BMW Z4 is newer by 55 year(s). Which means there will be less support and parts availability for 1951 Bristol 401. In addition, the cost of maintenance, including insurance, on 1951 Bristol 401 would be higher. At 2,979 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (229 HP @ 5900 RPM) has 157 more horse power than 1951 Bristol 401. (72 HP @ 4500 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1951 Bristol 401. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 405 kg more than 1951 Bristol 401. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 BMW Z4 (300 Nm @ 3500 RPM) has 155 more torque (in Nm) than 1951 Bristol 401. (145 Nm @ 3500 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1951 Bristol 401.
Compare all specifications:
| 2006 BMW Z4 | 1951 Bristol 401 | |
| Make | BMW | Bristol |
| Model | Z4 | 401 |
| Year Released | 2006 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 229 HP | 72 HP |
| Engine RPM | 5900 RPM | 4500 RPM |
| Torque | 300 Nm | 145 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 66 mm |
| Engine Stroke Size | 90 mm | 96 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1630 kg | 1225 kg |
| Vehicle Length | 4570 mm | 4870 mm |
| Vehicle Width | 1790 mm | 1710 mm |
| Vehicle Height | 1680 mm | 1530 mm |
| Wheelbase Size | 2500 mm | 2900 mm |
