2003 Opel Signum vs. 2010 Alfa Romeo Brera
To start off, 2010 Alfa Romeo Brera is newer by 7 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,198 cc (4 cylinders), 2010 Alfa Romeo Brera is equipped with a bigger engine. In terms of performance, 2010 Alfa Romeo Brera (182 HP @ 6500 RPM) has 9 more horse power than 2003 Opel Signum. (173 HP @ 5600 RPM) In normal driving conditions, 2010 Alfa Romeo Brera should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2010 Alfa Romeo Brera weights approximately 50 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Opel Signum (280 Nm @ 2500 RPM) has 50 more torque (in Nm) than 2010 Alfa Romeo Brera. (230 Nm @ 4500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2010 Alfa Romeo Brera.
Compare all specifications:
| 2003 Opel Signum | 2010 Alfa Romeo Brera | |
| Make | Opel | Alfa Romeo |
| Model | Signum | Brera |
| Year Released | 2003 | 2010 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 182 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 280 Nm | 230 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Engine Compression Ratio | 9.5:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 220 km/hour | 219 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 8.6 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1495 kg | 1545 kg |
| Vehicle Length | 4640 mm | 4420 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1350 mm |
| Wheelbase Size | 2720 mm | 2530 mm |
| Fuel Consumption Overall | 9.2 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 58 L | 70 L |
