1987 Mercedes-Benz G vs. 1991 Opel Frontera
To start off, 1991 Opel Frontera is newer by 4 year(s). Which means there will be less support and parts availability for 1987 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 1987 Mercedes-Benz G would be higher. At 2,299 cc (4 cylinders), 1987 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 1987 Mercedes-Benz G (125 HP @ 5000 RPM) has 11 more horse power than 1991 Opel Frontera. (114 HP @ 5200 RPM). In normal driving conditions, 1987 Mercedes-Benz G should accelerate faster than 1991 Opel Frontera. With that said, vehicle weight also plays an important factor in acceleration. 1987 Mercedes-Benz G weights approximately 241 kg more than 1991 Opel Frontera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 1987 Mercedes-Benz G (186 Nm @ 4000 RPM) has 16 more torque (in Nm) than 1991 Opel Frontera. (170 Nm @ 2800 RPM). This means 1987 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Frontera.
Compare all specifications:
| 1987 Mercedes-Benz G | 1991 Opel Frontera | |
| Make | Mercedes-Benz | Opel |
| Model | G | Frontera |
| Year Released | 1987 | 1991 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 114 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 186 Nm | 170 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Engine Bore Size | 95.5 mm | 86 mm |
| Engine Stroke Size | 80.2 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1880 kg | 1639 kg |
| Vehicle Length | 4240 mm | 4210 mm |
| Vehicle Width | 1770 mm | 1790 mm |
| Vehicle Height | 1940 mm | 1700 mm |
| Wheelbase Size | 2410 mm | 2470 mm |
