1963 Alfa Romeo Spider vs. 2007 Cadillac STS
To start off, 2007 Cadillac STS is newer by 44 year(s). Which means there will be less support and parts availability for 1963 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1963 Alfa Romeo Spider would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 157 more horse power than 1963 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1963 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 236 kg more than 1963 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 207 more torque (in Nm) than 1963 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1963 Alfa Romeo Spider.
Compare all specifications:
| 1963 Alfa Romeo Spider | 2007 Cadillac STS | |
| Make | Alfa Romeo | Cadillac |
| Model | Spider | STS |
| Year Released | 1963 | 2007 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2580 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 320 HP |
| Engine RPM | 5900 RPM | 6400 RPM |
| Torque | 220 Nm | 427 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 79.6 mm | 84 mm |
| Engine Compression Ratio | 9.2:1 | 10.5:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1566 kg |
| Vehicle Length | 4510 mm | 4990 mm |
| Vehicle Width | 1610 mm | 1850 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2960 mm |
| Fuel Tank Capacity | 52 L | 64 L |
