2007 Audi A4 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 A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 3,123 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 0 more horse power than 2009 Cadillac BLS. (252 HP @ 5500 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2009 Cadillac BLS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 63 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.
Let's talk about torque, 2009 Cadillac BLS (365 Nm @ 1800 RPM) has 35 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2009 Cadillac BLS will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2009 Cadillac BLS | |
| Make | Audi | Cadillac |
| Model | A4 | BLS |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2792 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 252 HP |
| Engine RPM | 5100 RPM | 5500 RPM |
| Torque | 330 Nm | 365 Nm |
| Torque RPM | 3250 RPM | 1800 RPM |
| Engine Bore Size | 84.5 mm | 89.1 mm |
| Engine Stroke Size | 92.8 mm | 74.8 mm |
| Engine Compression Ratio | 12.5:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.8 seconds | 7 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1698 kg | 1635 kg |
| Vehicle Length | 4580 mm | 4690 mm |
| Vehicle Width | 1400 mm | 1760 mm |
| Vehicle Height | 1780 mm | 1480 mm |
| Wheelbase Size | 2660 mm | 2680 mm |
| Fuel Consumption Overall | 11 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 70 L | 58 L |
