1984 Mercedes-Benz G vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 1984 Mercedes-Benz G would be higher. At 2,958 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (175 HP @ 4000 RPM) has 50 more horse power than 1984 Mercedes-Benz G. (125 HP @ 5000 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1984 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 1984 Mercedes-Benz G weights approximately 210 kg more than 2005 Opel Signum.
Because 1984 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Signum. In wet, icy, snow, or gravel driving conditions, 1984 Mercedes-Benz G 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, 2005 Opel Signum (370 Nm @ 1900 RPM) has 178 more torque (in Nm) than 1984 Mercedes-Benz G. (192 Nm @ 4000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1984 Mercedes-Benz G.
Compare all specifications:
| 1984 Mercedes-Benz G | 2005 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | G | Signum |
| Year Released | 1984 | 2005 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2298 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 175 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 192 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 95.5 mm | 87.5 mm |
| Engine Stroke Size | 80.2 mm | 82 mm |
| Engine Compression Ratio | 9.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1880 kg | 1670 kg |
| Vehicle Length | 4240 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1940 mm | 1470 mm |
| Wheelbase Size | 2410 mm | 2620 mm |
