2003 GMC Safari vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2003 GMC Safari. In addition, the cost of maintenance, including insurance, on 2003 GMC Safari would be higher. At 4,292 cc (6 cylinders), 2003 GMC Safari is equipped with a bigger engine. In terms of performance, 2003 GMC Safari (187 HP @ 4400 RPM) has 12 more horse power than 2006 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2003 GMC Safari should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Safari weights approximately 285 kg more than 2006 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 GMC Safari 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 2003 GMC Safari. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 32 more torque (in Nm) than 2003 GMC Safari. (338 Nm @ 2800 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 GMC Safari.
Compare all specifications:
| 2003 GMC Safari | 2006 Opel Signum | |
| Make | GMC | Opel |
| Model | Safari | Signum |
| Year Released | 2003 | 2006 |
| Body Type | Van | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4292 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 187 HP | 175 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 338 Nm | 370 Nm |
| Torque RPM | 2800 RPM | 1900 RPM |
| Engine Bore Size | 102 mm | 87.5 mm |
| Engine Stroke Size | 88 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 8 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1955 kg | 1670 kg |
| Vehicle Length | 4830 mm | 4640 mm |
| Vehicle Width | 1980 mm | 1800 mm |
| Vehicle Height | 1910 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2840 mm |
| Fuel Tank Capacity | 98 L | 60 L |
