2008 BMW 120 vs. 2007 Opel Signum
To start off, 2008 BMW 120 is newer by 1 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 2,958 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (175 HP @ 4000 RPM) has 6 more horse power than 2008 BMW 120. (169 HP @ 6700 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 2008 BMW 120. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 305 kg more than 2008 BMW 120. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW 120 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 2008 BMW 120. 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, 2007 Opel Signum (370 Nm @ 1900 RPM) has 160 more torque (in Nm) than 2008 BMW 120. (210 Nm @ 4250 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 120. 2007 Opel Signum has automatic transmission and 2008 BMW 120 has manual transmission. 2008 BMW 120 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 120 | 2007 Opel Signum | |
| Make | BMW | Opel |
| Model | 120 | Signum |
| Year Released | 2008 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 169 HP | 175 HP |
| Engine RPM | 6700 RPM | 4000 RPM |
| Torque | 210 Nm | 370 Nm |
| Torque RPM | 4250 RPM | 1900 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 82 mm |
| Engine Compression Ratio | 12.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 224 km/hour | 221 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 9.7 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1365 kg | 1670 kg |
| Vehicle Length | 4870 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2670 mm | 2840 mm |
| Fuel Consumption Overall | 7.9 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 53 L | 60 L |
