2007 Cadillac STS vs. 2010 Opel Zafira
To start off, 2010 Opel Zafira is newer by 3 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 3,563 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (253 HP @ 6500 RPM) has 15 more horse power than 2010 Opel Zafira. (238 HP @ 5600 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2010 Opel Zafira.
Because 2007 Cadillac STS 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 2007 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2010 Opel Zafira, 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 (342 Nm @ 3200 RPM) has 22 more torque (in Nm) than 2010 Opel Zafira. (320 Nm @ 2400 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2010 Opel Zafira. 2007 Cadillac STS has automatic transmission and 2010 Opel Zafira has manual transmission. 2010 Opel Zafira 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:
| 2007 Cadillac STS | 2010 Opel Zafira | |
| Make | Cadillac | Opel |
| Model | STS | Zafira |
| Year Released | 2007 | 2010 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 238 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 342 Nm | 320 Nm |
| Torque RPM | 3200 RPM | 2400 RPM |
| Engine Bore Size | 94 mm | 86 mm |
| Engine Stroke Size | 85.6 mm | 86 mm |
| Engine Compression Ratio | 10.2:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4990 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1810 mm |
| Wheelbase Size | 2960 mm | 2700 mm |
| Fuel Tank Capacity | 66 L | 58 L |
