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 3,599 cc (6 cylinders), 2009 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2009 Cadillac CTS (263 HP @ 6400 RPM) has 16 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 70 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 (343 Nm @ 3100 RPM) has 23 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 8200 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 | 3187 cc | 3599 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 263 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 320 Nm | 343 Nm |
| Torque RPM | 8200 RPM | 3100 RPM |
| Engine Compression Ratio | 11.3:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1635 kg |
| Vehicle Length | 4290 mm | 4870 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
| Fuel Consumption Overall | 9.9 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 68 L |
