1987 BMW 320 vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 17 year(s). Which means there will be less support and parts availability for 1987 BMW 320. In addition, the cost of maintenance, including insurance, on 1987 BMW 320 would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 1987 BMW 320 (189 HP @ 6900 RPM) has 16 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 1987 BMW 320 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 342 kg more than 1987 BMW 320.
Because 1987 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 1987 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 55 more torque (in Nm) than 1987 BMW 320. (210 Nm @ 4900 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1987 BMW 320.
Compare all specifications:
| 1987 BMW 320 | 2004 Opel Signum | |
| Make | BMW | Opel |
| Model | 320 | Signum |
| Year Released | 1987 | 2004 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 173 HP |
| Engine RPM | 6900 RPM | 5500 RPM |
| Torque | 210 Nm | 265 Nm |
| Torque RPM | 4900 RPM | 2500 RPM |
| Engine Bore Size | 93.4 mm | 86 mm |
| Engine Stroke Size | 72.7 mm | 86 mm |
| Engine Compression Ratio | 10.8:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 231 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1218 kg | 1560 kg |
| Vehicle Length | 4330 mm | 4640 mm |
| Vehicle Width | 1650 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 60 L |
