1951 Allard J2 vs. 1977 BMW 728
To start off, 1977 BMW 728 is newer by 26 year(s). Which means there will be less support and parts availability for 1951 Allard J2. In addition, the cost of maintenance, including insurance, on 1951 Allard J2 would be higher. At 5,415 cc (8 cylinders), 1951 Allard J2 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 12 more horse power than 1951 Allard J2. (158 HP @ 3800 RPM) In normal driving conditions, 1977 BMW 728 should accelerate faster than 1951 Allard J2. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 556 kg more than 1951 Allard J2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1951 Allard J2 | 1977 BMW 728 | |
| Make | Allard | BMW |
| Model | J2 | 728 |
| Year Released | 1951 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 5415 cc | 2788 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 170 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 980 kg | 1536 kg |
| Vehicle Length | 3780 mm | 4870 mm |
| Vehicle Width | 1730 mm | 1810 mm |
| Vehicle Height | 1300 mm | 1440 mm |
| Wheelbase Size | 2550 mm | 2800 mm |
| Fuel Tank Capacity | 38 L | 85 L |
