2005 BMW 320 vs. 2007 Cadillac STS
To start off, 2007 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 320. In addition, the cost of maintenance, including insurance, on 2005 BMW 320 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 (321 HP @ 6400 RPM) has 153 more horse power than 2005 BMW 320. (168 HP @ 6100 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 115 kg more than 2005 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 320 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS, being front wheel drive (FWD), will offer much better control with better grip. 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 217 more torque (in Nm) than 2005 BMW 320. (210 Nm @ 3500 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 320. 2007 Cadillac STS has automatic transmission and 2005 BMW 320 has manual transmission. 2005 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 320 | 2007 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 320 | STS |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 321 HP |
| Engine RPM | 6100 RPM | 6400 RPM |
| Torque | 210 Nm | 427 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 80 mm | 93 mm |
| Engine Stroke Size | 72 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1520 kg | 1635 kg |
| Vehicle Length | 4480 mm | 4990 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2960 mm |
| Fuel Consumption Overall | 9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
