2005 Land Rover Defender vs. 2003 Opel Signum
To start off, 2005 Land Rover Defender is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 3,947 cc (8 cylinders), 2005 Land Rover Defender is equipped with a bigger engine. In terms of performance, 2005 Land Rover Defender (180 HP @ 4750 RPM) has 6 more horse power than 2003 Opel Signum. (174 HP @ 4000 RPM). In normal driving conditions, 2005 Land Rover Defender should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 65 kg more than 2005 Land Rover Defender.
Because 2005 Land Rover Defender 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, 2005 Land Rover Defender 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 50 more torque (in Nm) than 2005 Land Rover Defender. (320 Nm @ 3000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Land Rover Defender. 2003 Opel Signum has automatic transmission and 2005 Land Rover Defender has manual transmission. 2005 Land Rover Defender will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Land Rover Defender | 2003 Opel Signum | |
| Make | Land Rover | Opel |
| Model | Defender | Signum |
| Year Released | 2005 | 2003 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3947 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 180 HP | 174 HP |
| Engine RPM | 4750 RPM | 4000 RPM |
| Torque | 320 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1695 kg |
| Vehicle Length | 3730 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 2080 mm | 1470 mm |
| Wheelbase Size | 2370 mm | 2710 mm |
| Fuel Tank Capacity | 93 L | 60 L |
