1951 Allard J2 vs. 2012 GMC Sierra
To start off, 2012 GMC Sierra is newer by 61 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, 2012 GMC Sierra (302 HP @ 5600 RPM) has 144 more horse power than 1951 Allard J2. (158 HP @ 3800 RPM) In normal driving conditions, 2012 GMC Sierra should accelerate faster than 1951 Allard J2. With that said, vehicle weight also plays an important factor in acceleration. 2012 GMC Sierra weights approximately 1331 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 | 2012 GMC Sierra | |
| Make | Allard | GMC |
| Model | J2 | Sierra |
| Year Released | 1951 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 5415 cc | 4800 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 158 HP | 302 HP |
| Engine RPM | 3800 RPM | 5600 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Vehicle Weight | 980 kg | 2311 kg |
| Vehicle Length | 3780 mm | 5847 mm |
| Vehicle Width | 1730 mm | 2032 mm |
| Vehicle Height | 1300 mm | 1875 mm |
| Wheelbase Size | 2550 mm | 3645 mm |
| Fuel Tank Capacity | 38 L | 98 L |
