2009 Acura TSX vs. 2007 Cadillac STS
To start off, 2009 Acura TSX is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS 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 (322 HP @ 6400 RPM) has 121 more horse power than 2009 Acura TSX. (201 HP @ 7000 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2009 Acura TSX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 32 kg more than 2009 Acura TSX. 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 2009 Acura TSX. 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 (427 Nm @ 4400 RPM) has 196 more torque (in Nm) than 2009 Acura TSX. (231 Nm @ 4300 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 Acura TSX.
Compare all specifications:
| 2009 Acura TSX | 2007 Cadillac STS | |
| Make | Acura | Cadillac |
| Model | TSX | STS |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2354 cc | 4565 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 322 HP |
| Engine RPM | 7000 RPM | 6400 RPM |
| Torque | 231 Nm | 427 Nm |
| Torque RPM | 4300 RPM | 4400 RPM |
| Engine Compression Ratio | 11.2:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1788 kg | 1820 kg |
| Vehicle Length | 4730 mm | 4990 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2960 mm |
| Fuel Consumption | 7.8 L/100km | 9.1 L/100km |
| Fuel Consumption City | 11.2 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
