1999 BMW 320 vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 3 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 2,957 cc (6 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 2002 Opel Signum (174 HP @ 4000 RPM) has 26 more horse power than 1999 BMW 320. (148 HP @ 5900 RPM) In normal driving conditions, 2002 Opel Signum should accelerate faster than 1999 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 250 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, 2002 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, 2002 Opel Signum (377 Nm @ 1900 RPM) has 187 more torque (in Nm) than 1999 BMW 320. (190 Nm @ 4200 RPM). This means 2002 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 | 2002 Opel Signum | |
| Make | BMW | Opel |
| Model | 320 | Signum |
| Year Released | 1999 | 2002 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2957 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 174 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 190 Nm | 377 Nm |
| Torque RPM | 4200 RPM | 1900 RPM |
| Engine Bore Size | 80.1 mm | 87.5 mm |
| Engine Stroke Size | 66 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1420 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 | 2840 mm |
| Fuel Tank Capacity | 63 L | 58 L |
