1951 Allard J2 vs. 2004 Cadillac XLR
To start off, 2004 Cadillac XLR is newer by 53 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, 2004 Cadillac XLR (320 HP @ 6000 RPM) has 162 more horse power than 1951 Allard J2. (158 HP @ 3800 RPM) In normal driving conditions, 2004 Cadillac XLR should accelerate faster than 1951 Allard J2. With that said, vehicle weight also plays an important factor in acceleration. 2004 Cadillac XLR weights approximately 660 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 | 2004 Cadillac XLR | |
| Make | Allard | Cadillac |
| Model | J2 | XLR |
| Year Released | 1951 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 5415 cc | 4572 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 320 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 980 kg | 1640 kg |
| Vehicle Length | 3780 mm | 4520 mm |
| Vehicle Width | 1730 mm | 1840 mm |
| Vehicle Height | 1300 mm | 1290 mm |
| Wheelbase Size | 2550 mm | 2690 mm |
| Fuel Tank Capacity | 38 L | 64 L |
