2008 BMW 320 vs. 2004 Opel Signum
To start off, 2008 BMW 320 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (208 HP @ 6200 RPM) has 47 more horse power than 2008 BMW 320. (161 HP @ 4000 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 2008 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 165 kg more than 2008 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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 2008 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2008 BMW 320 (330 Nm @ 2000 RPM) has 30 more torque (in Nm) than 2004 Opel Signum. (300 Nm @ 4000 RPM). This means 2008 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2004 Opel Signum has automatic transmission and 2008 BMW 320 has manual transmission. 2008 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 320 | 2004 Opel Signum | |
| Make | BMW | Opel |
| Model | 320 | Signum |
| Year Released | 2008 | 2004 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 208 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 330 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 84.1 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.3 seconds | 7.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1595 kg |
| Vehicle Length | 4530 mm | 4640 mm |
| Vehicle Width | 1420 mm | 1800 mm |
| Vehicle Height | 1820 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2740 mm |
| Fuel Consumption Overall | 6.5 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
