2004 Opel Signum vs. 2010 Alfa Romeo Brera
To start off, 2010 Alfa Romeo Brera is newer by 6 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 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 83 more horse power than 2004 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 2010 Alfa Romeo Brera should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 50 kg more than 2010 Alfa Romeo Brera.
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, both vehicles can yield 230 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2010 Alfa Romeo Brera has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Alfa Romeo Brera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2010 Alfa Romeo Brera | |
| Make | Opel | Alfa Romeo |
| Model | Signum | Brera |
| Year Released | 2004 | 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 | 99 HP | 182 HP |
| Engine RPM | 3120 RPM | 6500 RPM |
| Torque | 230 Nm | 230 Nm |
| Torque RPM | 1500 RPM | 4500 RPM |
| Engine Compression Ratio | 18.5:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1595 kg | 1545 kg |
| Vehicle Length | 4640 mm | 4420 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1350 mm |
| Wheelbase Size | 2620 mm | 2530 mm |
| Fuel Consumption Overall | 5.9 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 58 L | 70 L |
