2008 Audi A4 vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 3,564 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (300 HP) has 139 more horse power than 2008 Audi A4. (161 HP) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 242 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2008 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 Cadillac STS (273 Nm @ 5200 RPM) has 48 more torque (in Nm) than 2008 Audi A4. (225 Nm @ 1950 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2009 Cadillac STS has automatic transmission and 2008 Audi A4 has manual transmission. 2008 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A4 | 2009 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | A4 | STS |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 3564 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 300 HP |
| Torque | 225 Nm | 273 Nm |
| Torque RPM | 1950 RPM | 5200 RPM |
| Engine Bore Size | 81.1 mm | 94 mm |
| Engine Stroke Size | 86.4 mm | 85.6 mm |
| Engine Compression Ratio | 9.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.4 seconds | 7.4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1782 kg |
| Vehicle Length | 4580 mm | 4990 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2960 mm |
| Fuel Consumption Overall | 8.5 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 70 L | 58 L |
