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 3,564 cc (6 cylinders), 2009 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2009 Cadillac CTS (259 HP @ 6200 RPM) has 121 more horse power than 2007 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2009 Cadillac CTS should accelerate faster than 2007 Audi A3.
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, 2007 Audi A3 (320 Nm @ 1750 RPM) has 67 more torque (in Nm) than 2009 Cadillac CTS. (253 Nm @ 3100 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac CTS. 2007 Audi A3 has automatic transmission and 2009 Cadillac CTS has manual transmission. 2009 Cadillac CTS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A3 | 2009 Cadillac CTS | |
| Make | Audi | Cadillac |
| Model | A3 | CTS |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1967 cc | 3564 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 259 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 320 Nm | 253 Nm |
| Torque RPM | 1750 RPM | 3100 RPM |
| Engine Bore Size | 81 mm | 94 mm |
| Engine Stroke Size | 95.5 mm | 85 mm |
| Engine Compression Ratio | 18.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
