1997 Land Rover Discovery vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 6 year(s). Which means there will be less support and parts availability for 1997 Land Rover Discovery. In addition, the cost of maintenance, including insurance, on 1997 Land Rover Discovery would be higher. At 3,946 cc (8 cylinders), 1997 Land Rover Discovery is equipped with a bigger engine. In terms of performance, 1997 Land Rover Discovery (181 HP @ 4750 RPM) has 6 more horse power than 2003 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 1997 Land Rover Discovery should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1997 Land Rover Discovery weights approximately 420 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1997 Land Rover Discovery is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 1997 Land Rover Discovery will offer significantly more control. 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 49 more torque (in Nm) than 1997 Land Rover Discovery. (321 Nm @ 3000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1997 Land Rover Discovery.
Compare all specifications:
| 1997 Land Rover Discovery | 2003 Opel Signum | |
| Make | Land Rover | Opel |
| Model | Discovery | Signum |
| Year Released | 1997 | 2003 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3946 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 181 HP | 175 HP |
| Engine RPM | 4750 RPM | 4000 RPM |
| Torque | 321 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 2090 kg | 1670 kg |
| Vehicle Length | 4490 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1920 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2700 mm |
