2006 Audi S4 vs. 2009 Cadillac BLS
To start off, 2009 Cadillac BLS is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 88 more horse power than 2009 Cadillac BLS. (252 HP @ 5500 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2009 Cadillac BLS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac BLS weights approximately 105 kg more than 2006 Audi S4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 45 more torque (in Nm) than 2009 Cadillac BLS. (365 Nm @ 1800 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac BLS.
Compare all specifications:
| 2006 Audi S4 | 2009 Cadillac BLS | |
| Make | Audi | Cadillac |
| Model | S4 | BLS |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2792 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 252 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 410 Nm | 365 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Bore Size | 84.6 mm | 89.1 mm |
| Engine Stroke Size | 93 mm | 74.8 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1635 kg |
| Vehicle Length | 4590 mm | 4690 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2660 mm | 2680 mm |
| Fuel Consumption Overall | 13.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 63 L | 58 L |
