1986 BMW 325 vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 20 year(s). Which means there will be less support and parts availability for 1986 BMW 325. In addition, the cost of maintenance, including insurance, on 1986 BMW 325 would be higher. At 2,693 cc (6 cylinders), 1986 BMW 325 is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (173 HP @ 5500 RPM) has 47 more horse power than 1986 BMW 325. (126 HP @ 4800 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 1986 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 400 kg more than 1986 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 BMW 325 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 1986 BMW 325. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Opel Signum (266 Nm @ 2500 RPM) has 36 more torque (in Nm) than 1986 BMW 325. (230 Nm @ 3200 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW 325.
Compare all specifications:
| 1986 BMW 325 | 2006 Opel Signum | |
| Make | BMW | Opel |
| Model | 325 | Signum |
| Year Released | 1986 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2693 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 126 HP | 173 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 230 Nm | 266 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Bore Size | 84.1 mm | 86 mm |
| Engine Stroke Size | 81 mm | 86 mm |
| Acceleration 0-100mph | 9.6 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 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 | 55 L | 60 L |
