1971 Cadillac Calais vs. 1999 Vauxhall Omega
To start off, 1999 Vauxhall Omega is newer by 28 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, 1971 Cadillac Calais (228 HP @ 4400 RPM) has 99 more horse power than 1999 Vauxhall Omega. (129 HP @ 4500 RPM). In normal driving conditions, 1971 Cadillac Calais should accelerate faster than 1999 Vauxhall Omega. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 425 kg more than 1999 Vauxhall Omega. 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 | 1999 Vauxhall Omega | |
| Make | Cadillac | Vauxhall |
| Model | Calais | Omega |
| Year Released | 1971 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 7733 cc | 2496 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 228 HP | 129 HP |
| Engine RPM | 4400 RPM | 4500 RPM |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 2100 kg | 1675 kg |
| Vehicle Length | 5750 mm | 4900 mm |
| Wheelbase Size | 3310 mm | 2740 mm |
