2003 BMW M3 vs. 2010 Cadillac STS
To start off, 2010 Cadillac STS is newer by 7 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 3,600 cc (6 cylinders), 2010 Cadillac STS is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 40 more horse power than 2010 Cadillac STS. (302 HP @ 6300 RPM). In normal driving conditions, 2003 BMW M3 should accelerate faster than 2010 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2010 Cadillac STS weights approximately 417 kg more than 2003 BMW M3.
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, 2010 Cadillac STS (368 Nm @ 5200 RPM) has 18 more torque (in Nm) than 2003 BMW M3. (350 Nm @ 4900 RPM). This means 2010 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW M3. 2010 Cadillac STS has automatic transmission and 2003 BMW M3 has manual transmission. 2003 BMW M3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW M3 | 2010 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | M3 | STS |
| Year Released | 2003 | 2010 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 302 HP |
| Engine RPM | 7900 RPM | 6300 RPM |
| Torque | 350 Nm | 368 Nm |
| Torque RPM | 4900 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1802 kg |
| Vehicle Length | 4500 mm | 4996 mm |
| Vehicle Width | 1790 mm | 1844 mm |
| Vehicle Height | 1370 mm | 1463 mm |
| Wheelbase Size | 2730 mm | 2957 mm |
| Fuel Consumption | 8.4 L/100km | 8.7 L/100km |
| Fuel Consumption City | 17.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
