1999 Opel Signum vs. 2004 BMW 320
To start off, 2004 BMW 320 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 3,175 cc (6 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (208 HP @ 6200 RPM) has 34 more horse power than 2004 BMW 320. (174 HP @ 6100 RPM). In normal driving conditions, 1999 Opel Signum should accelerate faster than 2004 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 320 weights approximately 5 kg more than 1999 Opel Signum.
Because 2004 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 2004 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Opel Signum (300 Nm @ 4000 RPM) has 89 more torque (in Nm) than 2004 BMW 320. (211 Nm @ 3500 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 320. 2004 BMW 320 has automatic transmission and 1999 Opel Signum has manual transmission. 1999 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 320 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Opel Signum | 2004 BMW 320 | |
| Make | Opel | BMW |
| Model | Signum | 320 |
| Year Released | 1999 | 2004 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3175 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 174 HP |
| Engine RPM | 6200 RPM | 6100 RPM |
| Torque | 300 Nm | 211 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 87.5 mm | 80 mm |
| Engine Stroke Size | 88 mm | 72 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 237 km/hour | 222 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1615 kg |
| Vehicle Length | 4640 mm | 4490 mm |
| Vehicle Width | 1800 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2840 mm | 2730 mm |
| Fuel Tank Capacity | 52 L | 63 L |
