2003 BMW M3 vs. 2003 Opel Signum
To start off, both 2003 BMW M3 and 2003 Opel Signum were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 135 more horse power than 2003 Opel Signum. (207 HP @ 6200 RPM). In normal driving conditions, 2003 BMW M3 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 228 kg more than 2003 BMW M3.
Because 2003 BMW M3 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 2003 BMW M3. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 BMW M3 (350 Nm @ 4900 RPM) has 50 more torque (in Nm) than 2003 Opel Signum. (300 Nm @ 4000 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 2003 Opel Signum has automatic transmission and 2003 BMW M3 has manual transmission. 2003 BMW M3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW M3 | 2003 Opel Signum | |
| Make | BMW | Opel |
| Model | M3 | Signum |
| Year Released | 2003 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 3173 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 207 HP |
| Engine RPM | 7900 RPM | 6200 RPM |
| Torque | 350 Nm | 300 Nm |
| Torque RPM | 4900 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 87.5 mm |
| Engine Stroke Size | 91 mm | 88 mm |
| Engine Compression Ratio | 11.5:1 | 10.0:1 |
| Top Speed | 259 km/hour | 235 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 8.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1385 kg | 1613 kg |
| Vehicle Length | 4500 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Highway | 8.4 L/100km | 7.8 L/100km |
| Fuel Consumption City | 17.8 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 11.4 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
