1972 Cadillac Calais vs. 2003 Proton Impian
To start off, 2003 Proton Impian is newer by 31 year(s). Which means there will be less support and parts availability for 1972 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1972 Cadillac Calais would be higher. At 7,734 cc (8 cylinders), 1972 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1972 Cadillac Calais (210 HP @ 4400 RPM) has 109 more horse power than 2003 Proton Impian. (101 HP @ 6000 RPM). In normal driving conditions, 1972 Cadillac Calais should accelerate faster than 2003 Proton Impian. With that said, vehicle weight also plays an important factor in acceleration. 1972 Cadillac Calais weights approximately 925 kg more than 2003 Proton Impian. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1972 Cadillac Calais | 2003 Proton Impian | |
| Make | Cadillac | Proton |
| Model | Calais | Impian |
| Year Released | 1972 | 2003 |
| Engine Size | 7734 cc | 1584 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 210 HP | 101 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2130 kg | 1205 kg |
| Vehicle Length | 5830 mm | 4470 mm |
| Wheelbase Size | 3310 mm | 2610 mm |
