1971 Opel GT vs. 2013 Mercedes-Benz M
To start off, 2013 Mercedes-Benz M is newer by 42 year(s). Which means there will be less support and parts availability for 1971 Opel GT. In addition, the cost of maintenance, including insurance, on 1971 Opel GT would be higher. At 4,600 cc (8 cylinders), 2013 Mercedes-Benz M is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz M (397 HP @ 5000 RPM) has 308 more horse power than 1971 Opel GT. (89 HP @ 5200 RPM) In normal driving conditions, 2013 Mercedes-Benz M should accelerate faster than 1971 Opel GT.
Because 2013 Mercedes-Benz M is four wheel drive (4WD), it will have significant more traction and grip than 1971 Opel GT. In wet, icy, snow, or gravel driving conditions, 2013 Mercedes-Benz M 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, 2013 Mercedes-Benz M (601 Nm @ 4750 RPM) has 449 more torque (in Nm) than 1971 Opel GT. (152 Nm @ 3400 RPM). This means 2013 Mercedes-Benz M will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel GT.
Compare all specifications:
| 1971 Opel GT | 2013 Mercedes-Benz M | |
| Make | Opel | Mercedes-Benz |
| Model | GT | M |
| Year Released | 1971 | 2013 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 1900 cc | 4600 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | electric |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 89 HP | 397 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 152 Nm | 601 Nm |
| Torque RPM | 3400 RPM | 4750 RPM |
| Engine Bore Size | 93 mm | 92 mm |
| Engine Stroke Size | 69.8 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4120 mm | 4804 mm |
| Vehicle Width | 1590 mm | 2141 mm |
| Vehicle Height | 1230 mm | 1796 mm |
| Wheelbase Size | 2440 mm | 2915 mm |
| Fuel Consumption | 7.8 L/100km | 9.5 L/100km |
| Fuel Consumption City | 8.7 L/100km | 15.2 L/100km |
