2003 Alpina Roadster vs. 1968 Cadillac Calais
To start off, 2003 Alpina Roadster is newer by 35 year(s). Which means there will be less support and parts availability for 1968 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1968 Cadillac Calais would be higher. At 7,734 cc (8 cylinders), 1968 Cadillac Calais is equipped with a bigger engine. In terms of performance, 2003 Alpina Roadster (301 HP @ 6300 RPM) has 73 more horse power than 1968 Cadillac Calais. (228 HP @ 4400 RPM). In normal driving conditions, 2003 Alpina Roadster should accelerate faster than 1968 Cadillac Calais. With that said, vehicle weight also plays an important factor in acceleration. 1968 Cadillac Calais weights approximately 479 kg more than 2003 Alpina Roadster.
Let's talk about torque, 1968 Cadillac Calais (711 Nm) has 349 more torque (in Nm) than 2003 Alpina Roadster. (362 Nm). This means 1968 Cadillac Calais will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina Roadster.
Compare all specifications:
| 2003 Alpina Roadster | 1968 Cadillac Calais | |
| Make | Alpina | Cadillac |
| Model | Roadster | Calais |
| Year Released | 2003 | 1968 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 7734 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 301 HP | 228 HP |
| Engine RPM | 6300 RPM | 4400 RPM |
| Torque | 362 Nm | 711 Nm |
| Engine Bore Size | 87 mm | 109.2 mm |
| Engine Stroke Size | 93.8 mm | 103.1 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1626 kg | 2105 kg |
| Vehicle Length | 4100 mm | 5720 mm |
| Vehicle Width | 1790 mm | 2040 mm |
| Vehicle Height | 1310 mm | 1360 mm |
| Wheelbase Size | 2500 mm | 3300 mm |
| Fuel Tank Capacity | 55 L | 82 L |
