2007 Audi A3 vs. 2009 Cadillac CTS
To start off, 2009 Cadillac CTS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A3. In addition, the cost of maintenance, including insurance, on 2007 Audi A3 would be higher. At 5,664 cc (8 cylinders), 2009 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2009 Cadillac CTS (395 HP @ 6000 RPM) has 148 more horse power than 2007 Audi A3. (247 HP @ 6300 RPM) In normal driving conditions, 2009 Cadillac CTS should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac CTS weights approximately 131 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac CTS. In wet, icy, snow, or gravel driving conditions, 2007 Audi A3 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, 2009 Cadillac CTS (536 Nm @ 4800 RPM) has 216 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 2500 RPM). This means 2009 Cadillac CTS will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2009 Cadillac CTS | |
| Make | Audi | Cadillac |
| Model | A3 | CTS |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 5664 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 395 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 320 Nm | 536 Nm |
| Torque RPM | 2500 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 99 mm |
| Engine Stroke Size | 95.9 mm | 92 mm |
| Engine Compression Ratio | 11.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 274 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 4.7 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1614 kg | 1745 kg |
| Vehicle Length | 4290 mm | 4870 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
| Fuel Consumption Overall | 10.6 L/100km | 14 L/100km |
| Fuel Tank Capacity | 60 L | 68 L |
