2005 BMW M3 vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW M3. In addition, the cost of maintenance, including insurance, on 2005 BMW M3 would be higher. At 3,600 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 BMW M3 (320 HP @ 7400 RPM) has 18 more horse power than 2009 Cadillac STS. (302 HP @ 6300 RPM). In normal driving conditions, 2005 BMW M3 should accelerate faster than 2009 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M3 weights approximately 130 kg more than 2009 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 (369 Nm) has 32 more torque (in Nm) than 2005 BMW M3. (337 Nm). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW M3.
Compare all specifications:
| 2005 BMW M3 | 2009 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | M3 | STS |
| Year Released | 2005 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3244 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 302 HP |
| Engine RPM | 7400 RPM | 6300 RPM |
| Torque | 337 Nm | 369 Nm |
| Engine Compression Ratio | 11.5:1 | 3.7:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 1560 kg |
| Vehicle Length | 4500 mm | 5000 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2740 mm | 2960 mm |
| Fuel Consumption Highway | 10.2 L/100km | 9.2 L/100km |
| Fuel Consumption City | 14.7 L/100km | 14 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
