2003 Acura CL vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Acura CL. In addition, the cost of maintenance, including insurance, on 2003 Acura CL would be higher. At 3,210 cc (6 cylinders), 2003 Acura CL is equipped with a bigger engine. In terms of performance, 2003 Acura CL (223 HP @ 5600 RPM) has 74 more horse power than 2008 Opel Signum. (149 HP @ 4000 RPM). In normal driving conditions, 2003 Acura CL should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 33 kg more than 2003 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, 2008 Opel Signum (315 Nm @ 2000 RPM) has 21 more torque (in Nm) than 2003 Acura CL. (294 Nm @ 4700 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Acura CL. 2003 Acura CL has automatic transmission and 2008 Opel Signum has manual transmission. 2008 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Acura CL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Acura CL | 2008 Opel Signum | |
| Make | Acura | Opel |
| Model | CL | Signum |
| Year Released | 2003 | 2008 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3210 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 223 HP | 149 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 294 Nm | 315 Nm |
| Torque RPM | 4700 RPM | 2000 RPM |
| Engine Bore Size | 89 mm | 82 mm |
| Engine Stroke Size | 86 mm | 90.4 mm |
| Engine Compression Ratio | 9.8:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1580 kg | 1613 kg |
| Vehicle Length | 4890 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Tank Capacity | 65 L | 60 L |
