2009 Audi A5 vs. 2009 Cadillac STS
To start off, both 2009 Audi A5 and 2009 Cadillac STS were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (321 HP @ 6400 RPM) has 152 more horse power than 2009 Audi A5. (169 HP @ 4200 RPM) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 350 kg more than 2009 Audi A5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A5. In wet, icy, snow, or gravel driving conditions, 2009 Cadillac STS 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, 2009 Cadillac STS (427 Nm @ 4400 RPM) has 77 more torque (in Nm) than 2009 Audi A5. (350 Nm @ 1750 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5. 2009 Cadillac STS has automatic transmission and 2009 Audi A5 has manual transmission. 2009 Audi A5 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:
| 2009 Audi A5 | 2009 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | A5 | STS |
| Year Released | 2009 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 4565 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 169 HP | 321 HP |
| Engine RPM | 4200 RPM | 6400 RPM |
| Torque | 350 Nm | 427 Nm |
| Torque RPM | 1750 RPM | 4400 RPM |
| Engine Bore Size | 81 mm | 93 mm |
| Engine Stroke Size | 95.5 mm | 84 mm |
| Engine Compression Ratio | 16.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 230 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 6.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1820 kg |
| Vehicle Length | 4630 mm | 4990 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2960 mm |
| Fuel Consumption Overall | 5.6 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 65 L | 66 L |
