2006 BMW 320 vs. 2008 Cadillac STS
To start off, 2008 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW 320. In addition, the cost of maintenance, including insurance, on 2006 BMW 320 would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (320 HP @ 6400 RPM) has 172 more horse power than 2006 BMW 320. (148 HP @ 6200 RPM) In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2006 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 320 weights approximately 200 kg more than 2008 Cadillac STS.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 320. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 227 more torque (in Nm) than 2006 BMW 320. (200 Nm @ 3600 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 320. 2008 Cadillac STS has automatic transmission and 2006 BMW 320 has manual transmission. 2006 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 320 | 2008 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 320 | STS |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4565 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 320 HP |
| Engine RPM | 6200 RPM | 6400 RPM |
| Torque | 200 Nm | 427 Nm |
| Torque RPM | 3600 RPM | 4400 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1835 kg | 1635 kg |
| Vehicle Length | 4530 mm | 5000 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2960 mm |
| Fuel Consumption Overall | 7.9 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
