2005 Audi A3 vs. 2008 Cadillac STS
To start off, 2008 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A3. In addition, the cost of maintenance, including insurance, on 2005 Audi A3 would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 74 more horse power than 2005 Audi A3. (247 HP @ 6300 RPM) In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 287 kg more than 2005 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2005 Audi A3 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 Cadillac STS (427 Nm @ 4400 RPM) has 97 more torque (in Nm) than 2005 Audi A3. (330 Nm @ 2800 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3. 2008 Cadillac STS has automatic transmission and 2005 Audi A3 has manual transmission. 2005 Audi A3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A3 | 2008 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | A3 | STS |
| Year Released | 2005 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3196 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 321 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 330 Nm | 427 Nm |
| Torque RPM | 2800 RPM | 4400 RPM |
| Engine Bore Size | 84.1 mm | 93 mm |
| Engine Stroke Size | 95.9 mm | 84 mm |
| Engine Compression Ratio | 11.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.6 seconds | 6.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1525 kg | 1812 kg |
| Vehicle Length | 4210 mm | 4990 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2960 mm |
| Fuel Consumption Overall | 10.8 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 55 L | 66 L |
