2007 Opel Signum vs. 2012 BMW 320
To start off, 2012 BMW 320 is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Opel Signum. In addition, the cost of maintenance, including insurance, on 2007 Opel Signum would be higher. At 2,196 cc (4 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2012 BMW 320 (182 HP @ 4000 RPM) has 29 more horse power than 2007 Opel Signum. (153 HP @ 5600 RPM) In normal driving conditions, 2012 BMW 320 should accelerate faster than 2007 Opel Signum.
Because 2012 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 2012 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Signum, 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, 2012 BMW 320 (380 Nm @ 2750 RPM) has 160 more torque (in Nm) than 2007 Opel Signum. (220 Nm @ 3800 RPM). This means 2012 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 2007 Opel Signum | 2012 BMW 320 | |
| Make | Opel | BMW |
| Model | Signum | 320 |
| Year Released | 2007 | 2012 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2196 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 182 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 220 Nm | 380 Nm |
| Torque RPM | 3800 RPM | 2750 RPM |
| Engine Bore Size | 86 mm | 90 mm |
| Engine Stroke Size | 94.6 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4640 mm | 4624 mm |
| Vehicle Width | 1800 mm | 1811 mm |
| Vehicle Height | 1470 mm | 1384 mm |
| Wheelbase Size | 2840 mm | 2810 mm |
| Fuel Tank Capacity | 60 L | 57 L |
