2009 Alfa Romeo Spider vs. 2008 Cadillac STS
To start off, 2009 Alfa Romeo Spider is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (320 HP @ 6400 RPM) has 64 more horse power than 2009 Alfa Romeo Spider. (256 HP @ 6300 RPM) In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2009 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo Spider weights approximately 130 kg more than 2008 Cadillac STS.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2009 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 105 more torque (in Nm) than 2009 Alfa Romeo Spider. (322 Nm @ 4500 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo Spider. 2008 Cadillac STS has automatic transmission and 2009 Alfa Romeo Spider has manual transmission. 2009 Alfa Romeo Spider will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alfa Romeo Spider | 2008 Cadillac STS | |
| Make | Alfa Romeo | Cadillac |
| Model | Spider | STS |
| Year Released | 2009 | 2008 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3195 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 320 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 322 Nm | 427 Nm |
| Torque RPM | 4500 RPM | 4400 RPM |
| Engine Compression Ratio | 11.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1635 kg |
| Vehicle Length | 4400 mm | 5000 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2530 mm | 2960 mm |
| Fuel Consumption Overall | 12.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 69 L | 64 L |
