2006 Cadillac STS vs. 2007 Hyundai Sonata
To start off, 2007 Hyundai Sonata is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (321 HP @ 6400 RPM) has 182 more horse power than 2007 Hyundai Sonata. (139 HP @ 4000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2007 Hyundai Sonata. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 138 kg more than 2007 Hyundai Sonata. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2007 Hyundai Sonata, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 Cadillac STS (427 Nm @ 4400 RPM) has 122 more torque (in Nm) than 2007 Hyundai Sonata. (305 Nm @ 1800 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Hyundai Sonata. 2006 Cadillac STS has automatic transmission and 2007 Hyundai Sonata has manual transmission. 2007 Hyundai Sonata will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Cadillac STS | 2007 Hyundai Sonata | |
| Make | Cadillac | Hyundai |
| Model | STS | Sonata |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1991 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 139 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 427 Nm | 305 Nm |
| Torque RPM | 4400 RPM | 1800 RPM |
| Engine Compression Ratio | 10.5:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 203 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 10.6 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1818 kg | 1680 kg |
| Vehicle Width | 1850 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2960 mm | 2740 mm |
| Fuel Consumption Overall | 14.5 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
