1987 BMW 324 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 324. In addition, the cost of maintenance, including insurance, on 1987 BMW 324 would be higher. At 2,443 cc (6 cylinders), 1987 BMW 324 is equipped with a bigger engine. In terms of performance, 1987 BMW 324 (113 HP @ 4800 RPM) has 14 more horse power than 2004 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1987 BMW 324 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 335 kg more than 1987 BMW 324.
Because 1987 BMW 324 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 324. 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 (230 Nm @ 1500 RPM) has 16 more torque (in Nm) than 1987 BMW 324. (214 Nm @ 2400 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1987 BMW 324.
Compare all specifications:
| 1987 BMW 324 | 2004 Opel Signum | |
| Make | BMW | Opel |
| Model | 324 | Signum |
| Year Released | 1987 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2443 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 113 HP | 99 HP |
| Engine RPM | 4800 RPM | 3120 RPM |
| Torque | 214 Nm | 230 Nm |
| Torque RPM | 2400 RPM | 1500 RPM |
| Engine Bore Size | 80.1 mm | 84.1 mm |
| Engine Stroke Size | 81 mm | 90 mm |
| Engine Compression Ratio | 22.0:1 | 18.5:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1260 kg | 1595 kg |
| Vehicle Length | 4330 mm | 4640 mm |
| Vehicle Width | 1650 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2620 mm |
| Fuel Consumption Overall | 5.7 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 55 L | 58 L |
