2009 Audi A8 vs. 2007 Cadillac SRX
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Cadillac SRX. In addition, the cost of maintenance, including insurance, on 2007 Cadillac SRX 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 124 more horse power than 2007 Cadillac SRX. (320 HP @ 6400 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2007 Cadillac SRX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac SRX weights approximately 16 kg more than 2009 Audi A8.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 113 more torque (in Nm) than 2007 Cadillac SRX. (427 Nm @ 4400 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac SRX.
Compare all specifications:
| 2009 Audi A8 | 2007 Cadillac SRX | |
| Make | Audi | Cadillac |
| Model | A8 | SRX |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 4565 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 320 HP |
| Engine RPM | 7000 RPM | 6400 RPM |
| Torque | 540 Nm | 427 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 1956 kg |
| Vehicle Length | 5070 mm | 4960 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1730 mm |
| Wheelbase Size | 2950 mm | 2960 mm |
| Fuel Consumption Highway | 12.4 L/100km | 11.2 L/100km |
| Fuel Consumption City | 18.2 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 15.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 90 L | 76 L |
