2007 Cadillac STS vs. 2013 BMW 3 Series
To start off, 2013 BMW 3 Series is newer by 6 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (322 HP @ 6400 RPM) has 84 more horse power than 2013 BMW 3 Series. (238 HP @ 5800 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2013 BMW 3 Series. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 190 kg more than 2013 BMW 3 Series. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2013 BMW 3 Series. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 20 more torque (in Nm) than 2013 BMW 3 Series. (407 Nm @ 5000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW 3 Series.
Compare all specifications:
| 2007 Cadillac STS | 2013 BMW 3 Series | |
| Make | Cadillac | BMW |
| Model | STS | 3 Series |
| Year Released | 2007 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 238 HP |
| Engine RPM | 6400 RPM | 5800 RPM |
| Torque | 427 Nm | 407 Nm |
| Torque RPM | 4400 RPM | 5000 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 84 mm | 89 mm |
| Engine Compression Ratio | 10.5:1 | 10.2 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1630 kg |
| Vehicle Length | 4990 mm | 4636 mm |
| Vehicle Width | 1850 mm | 2031 mm |
| Vehicle Height | 1470 mm | 1429 mm |
| Wheelbase Size | 2960 mm | 2810 mm |
| Fuel Consumption Highway | 9.1 L/100km | 5.9 L/100km |
| Fuel Consumption City | 13.8 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 66 L | 60 L |
