1999 BMW 323 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 6 year(s). Which means there will be less support and parts availability for 1999 BMW 323. In addition, the cost of maintenance, including insurance, on 1999 BMW 323 would be higher. At 2,492 cc (6 cylinders), 1999 BMW 323 is equipped with a bigger engine. In terms of performance, 1999 BMW 323 (170 HP @ 5500 RPM) has 71 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1999 BMW 323 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 138 kg more than 1999 BMW 323.
Because 1999 BMW 323 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 323. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1999 BMW 323 (245 Nm @ 3500 RPM) has 15 more torque (in Nm) than 2005 Opel Signum. (230 Nm @ 1500 RPM). This means 1999 BMW 323 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum. 1999 BMW 323 has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 BMW 323 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 BMW 323 | 2005 Opel Signum | |
| Make | BMW | Opel |
| Model | 323 | Signum |
| Year Released | 1999 | 2005 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 99 HP |
| Engine RPM | 5500 RPM | 3120 RPM |
| Torque | 245 Nm | 230 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Top Speed | 206 km/hour | 185 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1457 kg | 1595 kg |
| Vehicle Length | 4490 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2740 mm |
| Fuel Tank Capacity | 63 L | 60 L |
