2006 BMW Z4 vs. 1955 Bristol 403
To start off, 2006 BMW Z4 is newer by 51 year(s). Which means there will be less support and parts availability for 1955 Bristol 403. In addition, the cost of maintenance, including insurance, on 1955 Bristol 403 would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 102 more horse power than 1955 Bristol 403. (87 HP @ 5000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1955 Bristol 403. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 110 kg more than 1955 Bristol 403. 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 (245 Nm @ 3500 RPM) has 99 more torque (in Nm) than 1955 Bristol 403. (146 Nm @ 3500 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1955 Bristol 403.
Compare all specifications:
| 2006 BMW Z4 | 1955 Bristol 403 | |
| Make | BMW | Bristol |
| Model | Z4 | 403 |
| Year Released | 2006 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1971 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 189 HP | 87 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 245 Nm | 146 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1335 kg | 1225 kg |
| Vehicle Length | 4100 mm | 4870 mm |
| Vehicle Width | 1790 mm | 1710 mm |
| Vehicle Height | 1310 mm | 1530 mm |
| Wheelbase Size | 2500 mm | 2900 mm |
