2007 Audi A6 vs. 2009 Cadillac BLS
To start off, 2009 Cadillac BLS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 4,163 cc (8 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (350 HP @ 6800 RPM) has 171 more horse power than 2009 Cadillac BLS. (179 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2009 Cadillac BLS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 145 kg more than 2009 Cadillac BLS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac BLS. In wet, icy, snow, or gravel driving conditions, 2007 Audi A6 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, 2007 Audi A6 (441 Nm @ 3500 RPM) has 41 more torque (in Nm) than 2009 Cadillac BLS. (400 Nm @ 1850 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac BLS.
Compare all specifications:
| 2007 Audi A6 | 2009 Cadillac BLS | |
| Make | Audi | Cadillac |
| Model | A6 | BLS |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 179 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 441 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 1850 RPM |
| Engine Bore Size | 85 mm | 82 mm |
| Engine Stroke Size | 93 mm | 90.4 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1745 kg | 1600 kg |
| Vehicle Length | 4920 mm | 4720 mm |
| Vehicle Width | 2020 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1550 mm |
| Wheelbase Size | 2850 mm | 2680 mm |
| Fuel Consumption Overall | 11.9 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 80 L | 58 L |
