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 3,600 cc (6 cylinders), 2013 Cadillac ATS is equipped with a bigger engine. In terms of performance, 2013 Cadillac ATS (317 HP @ 6800 RPM) has 87 more horse power than 2009 Audi A8. (230 HP @ 4000 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. 2013 Cadillac ATS weights approximately 640 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (450 Nm @ 1400 RPM) has 77 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 | 2965 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 317 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 450 Nm | 373 Nm |
| Torque RPM | 1400 RPM | 4800 RPM |
| Engine Bore Size | 83 mm | 94 mm |
| Engine Stroke Size | 91.4 mm | 86 mm |
| Engine Compression Ratio | 17.0:1 | 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 | 930 kg | 1570 kg |
| Vehicle Length | 5190 mm | 4643 mm |
| Vehicle Width | 1900 mm | 1806 mm |
| Vehicle Height | 1450 mm | 1417 mm |
| Wheelbase Size | 3080 mm | 2776 mm |
| Fuel Tank Capacity | 90 L | 61 L |
