1991 Mercedes-Benz G vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz G would be higher. At 2,299 cc (4 cylinders), 1991 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (153 HP @ 5600 RPM) has 28 more horse power than 1991 Mercedes-Benz G. (125 HP @ 5000 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1991 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz G weights approximately 680 kg more than 2005 Opel Vectra.
Because 1991 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 1991 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 Vectra (220 Nm @ 3800 RPM) has 28 more torque (in Nm) than 1991 Mercedes-Benz G. (192 Nm @ 4000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz G.
Compare all specifications:
| 1991 Mercedes-Benz G | 2005 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | G | Vectra |
| Year Released | 1991 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 153 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 192 Nm | 220 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 95.5 mm | 86 mm |
| Engine Stroke Size | 80.2 mm | 94.6 mm |
| Engine Compression Ratio | 9.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1880 kg | 1200 kg |
| Vehicle Length | 4240 mm | 4600 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1940 mm | 1470 mm |
| Wheelbase Size | 2410 mm | 2710 mm |
