1971 Cadillac Calais vs. 2007 Hummer H2
To start off, 2007 Hummer H2 is newer by 36 year(s). Which means there will be less support and parts availability for 1971 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1971 Cadillac Calais would be higher. At 7,733 cc (8 cylinders), 1971 Cadillac Calais is equipped with a bigger engine. In terms of performance, 2007 Hummer H2 (326 HP @ 5200 RPM) has 98 more horse power than 1971 Cadillac Calais. (228 HP @ 4400 RPM) In normal driving conditions, 2007 Hummer H2 should accelerate faster than 1971 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hummer H2 weights approximately 803 kg more than 1971 Cadillac Calais. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1971 Cadillac Calais | 2007 Hummer H2 | |
| Make | Cadillac | Hummer |
| Model | Calais | H2 |
| Year Released | 1971 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 7733 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 228 HP | 326 HP |
| Engine RPM | 4400 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2100 kg | 2903 kg |
| Vehicle Length | 5750 mm | 4830 mm |
| Wheelbase Size | 3310 mm | 3130 mm |
