2009 Audi A8 vs. 2013 Cadillac ATS
To start off, 2013 Cadillac ATS is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi A8. In addition, the cost of maintenance, including insurance, on 2009 Audi A8 would be higher. At 3,936 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2013 Cadillac ATS (317 HP @ 6800 RPM) has 46 more horse power than 2009 Audi A8. (271 HP @ 3750 RPM) In normal driving conditions, 2013 Cadillac ATS should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 370 kg more than 2013 Cadillac ATS.
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 Audi A8 (650 Nm @ 1800 RPM) has 277 more torque (in Nm) than 2013 Cadillac ATS. (373 Nm @ 4800 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2013 Cadillac ATS.
Compare all specifications:
| 2009 Audi A8 | 2013 Cadillac ATS | |
| Make | Audi | Cadillac |
| Model | A8 | ATS |
| Year Released | 2009 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 317 HP |
| Engine RPM | 3750 RPM | 6800 RPM |
| Torque | 650 Nm | 373 Nm |
| Torque RPM | 1800 RPM | 4800 RPM |
| Engine Compression Ratio | 18.0:1 | 11.5 |
| Fuel Type | Diesel | Flex Fuel |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 1570 kg |
| Vehicle Length | 5060 mm | 4643 mm |
| Vehicle Width | 1900 mm | 1806 mm |
| Vehicle Height | 1450 mm | 1417 mm |
| Wheelbase Size | 2950 mm | 2776 mm |
| Fuel Tank Capacity | 90 L | 61 L |
