2004 Opel Signum vs. 2013 Cadillac ATS
To start off, 2013 Cadillac ATS is newer by 9 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 3,600 cc (6 cylinders), 2013 Cadillac ATS is equipped with a bigger engine. In terms of performance, 2013 Cadillac ATS (317 HP @ 6800 RPM) has 144 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2013 Cadillac ATS should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2013 Cadillac ATS weights approximately 10 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Cadillac ATS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2013 Cadillac ATS. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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, 2013 Cadillac ATS (373 Nm @ 4800 RPM) has 108 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2013 Cadillac ATS will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2013 Cadillac ATS 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. 2013 Cadillac ATS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2013 Cadillac ATS | |
| Make | Opel | Cadillac |
| Model | Signum | ATS |
| Year Released | 2004 | 2013 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 317 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 265 Nm | 373 Nm |
| Torque RPM | 2500 RPM | 4800 RPM |
| Engine Bore Size | 86 mm | 94 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 9.5:1 | 11.5 |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1570 kg |
| Vehicle Length | 4640 mm | 4643 mm |
| Vehicle Width | 1800 mm | 1806 mm |
| Vehicle Height | 1470 mm | 1417 mm |
| Wheelbase Size | 2840 mm | 2776 mm |
| Fuel Tank Capacity | 60 L | 61 L |
