2004 Honda Accord vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Honda Accord. In addition, the cost of maintenance, including insurance, on 2004 Honda Accord would be higher. At 2,958 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Honda Accord (187 HP @ 6800 RPM) has 12 more horse power than 2007 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2004 Honda Accord should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 214 kg more than 2004 Honda Accord.
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, 2007 Opel Signum (370 Nm @ 1900 RPM) has 147 more torque (in Nm) than 2004 Honda Accord. (223 Nm @ 4500 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Honda Accord.
Compare all specifications:
| 2004 Honda Accord | 2007 Opel Signum | |
| Make | Honda | Opel |
| Model | Accord | Signum |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2352 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 175 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 223 Nm | 370 Nm |
| Torque RPM | 4500 RPM | 1900 RPM |
| Engine Bore Size | 87 mm | 87.5 mm |
| Engine Stroke Size | 99 mm | 82 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 227 km/hour | 221 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 9.7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1456 kg | 1670 kg |
| Vehicle Length | 4670 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2630 mm | 2840 mm |
| Fuel Consumption Overall | 9 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
