2008 Audi A8 vs. 2006 Cadillac CTS
To start off, 2008 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Cadillac CTS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac CTS would be higher. At 3,936 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (271 HP @ 3750 RPM) has 59 more horse power than 2006 Cadillac CTS. (212 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2006 Cadillac CTS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 324 kg more than 2006 Cadillac CTS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac CTS. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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, 2008 Audi A8 (650 Nm @ 1800 RPM) has 388 more torque (in Nm) than 2006 Cadillac CTS. (262 Nm @ 3300 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac CTS.
Compare all specifications:
| 2008 Audi A8 | 2006 Cadillac CTS | |
| Make | Audi | Cadillac |
| Model | A8 | CTS |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 2792 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 212 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 650 Nm | 262 Nm |
| Torque RPM | 1800 RPM | 3300 RPM |
| Engine Bore Size | 81 mm | 89 mm |
| Engine Stroke Size | 95.5 mm | 74.8 mm |
| Engine Compression Ratio | 18.0:1 | 10.1:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 226 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 8.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1944 kg | 1620 kg |
| Vehicle Length | 5190 mm | 4830 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 3080 mm | 2890 mm |
| Fuel Consumption Overall | 9.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 90 L | 66 L |
