1999 BMW 320 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 4 year(s). Which means there will be less support and parts availability for 1999 BMW 320. In addition, the cost of maintenance, including insurance, on 1999 BMW 320 would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 4000 RPM) has 41 more horse power than 1999 BMW 320. (134 HP @ 4000 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1999 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 300 kg more than 1999 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 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 1999 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 90 more torque (in Nm) than 1999 BMW 320. (280 Nm @ 1750 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW 320.
Compare all specifications:
| 1999 BMW 320 | 2003 Opel Signum | |
| Make | BMW | Opel |
| Model | 320 | Signum |
| Year Released | 1999 | 2003 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 175 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 280 Nm | 370 Nm |
| Torque RPM | 1750 RPM | 1900 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1370 kg | 1670 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2700 mm |
| Fuel Tank Capacity | 52 L | 60 L |
