1972 BMW Touring vs. 1951 Bristol 400
To start off, 1972 BMW Touring is newer by 21 year(s). Which means there will be less support and parts availability for 1951 Bristol 400. In addition, the cost of maintenance, including insurance, on 1951 Bristol 400 would be higher. At 1,971 cc (6 cylinders), 1951 Bristol 400 is equipped with a bigger engine. In terms of performance, 1972 BMW Touring (83 HP @ 5700 RPM) has 4 more horse power than 1951 Bristol 400. (79 HP @ 4200 RPM). In normal driving conditions, 1972 BMW Touring should accelerate faster than 1951 Bristol 400. With that said, vehicle weight also plays an important factor in acceleration. 1951 Bristol 400 weights approximately 140 kg more than 1972 BMW Touring.
Let's talk about torque, 1972 BMW Touring (130 Nm @ 3500 RPM) has 5 more torque (in Nm) than 1951 Bristol 400. (125 Nm @ 3000 RPM). This means 1972 BMW Touring will have an easier job in driving up hills or pulling heavy equipment than 1951 Bristol 400.
Compare all specifications:
| 1972 BMW Touring | 1951 Bristol 400 | |
| Make | BMW | Bristol |
| Model | Touring | 400 |
| Year Released | 1972 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 1971 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 83 HP | 79 HP |
| Engine RPM | 5700 RPM | 4200 RPM |
| Torque | 130 Nm | 125 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 66 mm |
| Engine Stroke Size | 71 mm | 96 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1170 kg |
| Vehicle Length | 4120 mm | 4650 mm |
| Vehicle Width | 1600 mm | 1630 mm |
| Vehicle Height | 1390 mm | 1510 mm |
| Wheelbase Size | 2510 mm | 2900 mm |
