2004 Acura CL vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Acura CL. In addition, the cost of maintenance, including insurance, on 2004 Acura CL would be higher. At 3,212 cc (6 cylinders), 2004 Acura CL is equipped with a bigger engine. In terms of performance, 2004 Acura CL (260 HP @ 6900 RPM) has 136 more horse power than 2005 Opel Signum. (124 HP @ 3250 RPM). In normal driving conditions, 2004 Acura CL should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 30 kg more than 2004 Acura CL.
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, 2004 Acura CL (315 Nm @ 3500 RPM) has 35 more torque (in Nm) than 2005 Opel Signum. (280 Nm @ 1500 RPM). This means 2004 Acura CL will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2004 Acura CL | 2005 Opel Signum | |
| Make | Acura | Opel |
| Model | CL | Signum |
| Year Released | 2004 | 2005 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3212 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 124 HP |
| Engine RPM | 6900 RPM | 3250 RPM |
| Torque | 315 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 86 mm | 98 mm |
| Engine Compression Ratio | 9.8:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1580 kg | 1610 kg |
| Vehicle Length | 4890 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2710 mm |
| Fuel Tank Capacity | 65 L | 60 L |
