1951 Austin A 40 vs. 1957 Mercedes-Benz 300D
To start off, 1957 Mercedes-Benz 300D is newer by 6 year(s). Which means there will be less support and parts availability for 1951 Austin A 40. In addition, the cost of maintenance, including insurance, on 1951 Austin A 40 would be higher. At 2,994 cc (6 cylinders), 1957 Mercedes-Benz 300D is equipped with a bigger engine. In terms of performance, 1957 Mercedes-Benz 300D (158 HP @ 5300 RPM) has 120 more horse power than 1951 Austin A 40. (38 HP @ 4300 RPM) In normal driving conditions, 1957 Mercedes-Benz 300D should accelerate faster than 1951 Austin A 40. With that said, vehicle weight also plays an important factor in acceleration. 1957 Mercedes-Benz 300D weights approximately 960 kg more than 1951 Austin A 40. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1951 Austin A 40 | 1957 Mercedes-Benz 300D | |
| Make | Austin | Mercedes-Benz |
| Model | A 40 | 300D |
| Year Released | 1951 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 1200 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 38 HP | 158 HP |
| Engine RPM | 4300 RPM | 5300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 970 kg | 1930 kg |
| Vehicle Length | 3890 mm | 5200 mm |
| Vehicle Width | 1560 mm | 1870 mm |
| Vehicle Height | 1620 mm | 1630 mm |
| Wheelbase Size | 2360 mm | 3160 mm |
| Fuel Tank Capacity | 48 L | 71 L |
