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 5,204 cc (10 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 7000 RPM) has 127 more horse power than 2013 Cadillac ATS. (317 HP @ 6800 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2013 Cadillac ATS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 370 kg more than 2013 Cadillac ATS. 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 (540 Nm @ 3500 RPM) has 167 more torque (in Nm) than 2013 Cadillac ATS. (373 Nm @ 5500 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 | 5204 cc | 3600 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 317 HP |
| Engine RPM | 7000 RPM | 6800 RPM |
| Torque | 540 Nm | 373 Nm |
| Torque RPM | 3500 RPM | 5500 RPM |
| Engine Bore Size | 84.5 mm | 94 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 12.5:1 | 11.5 |
| Fuel Type | Gasoline - Premium | 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 | 5070 mm | 4643 mm |
| Vehicle Width | 1900 mm | 1806 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2776 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9 L/100km |
| Fuel Consumption City | 18.2 L/100km | 13 L/100km |
| Fuel Tank Capacity | 90 L | 61 L |
