2007 Cadillac STS vs. 2005 Kia Spectra
To start off, 2007 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Kia Spectra. In addition, the cost of maintenance, including insurance, on 2005 Kia Spectra would be higher. At 3,556 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (254 HP @ 6500 RPM) has 116 more horse power than 2005 Kia Spectra. (138 HP @ 4000 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2005 Kia Spectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 500 kg more than 2005 Kia Spectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2005 Kia Spectra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Cadillac STS (342 Nm) has 158 more torque (in Nm) than 2005 Kia Spectra. (184 Nm). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Spectra.
Compare all specifications:
| 2007 Cadillac STS | 2005 Kia Spectra | |
| Make | Cadillac | Kia |
| Model | STS | Spectra |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 1975 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 138 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 342 Nm | 184 Nm |
| Engine Bore Size | 94 mm | 82 mm |
| Engine Stroke Size | 85.6 mm | 93 mm |
| Engine Compression Ratio | 10.5:1 | 10.1:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1782 kg | 1282 kg |
| Vehicle Length | 4990 mm | 4490 mm |
| Vehicle Width | 1850 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1480 mm |
| Wheelbase Size | 2960 mm | 2620 mm |
| Fuel Consumption City | 13.1 L/100km | 9.6 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 66 L | 55 L |
