2007 Mercedes-Benz GL vs. 1981 Renault 18
To start off, 2007 Mercedes-Benz GL is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Renault 18. In addition, the cost of maintenance, including insurance, on 1981 Renault 18 would be higher. At 5,461 cc (8 cylinders), 2007 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz GL (383 HP @ 6000 RPM) has 320 more horse power than 1981 Renault 18. (63 HP @ 5500 RPM). In normal driving conditions, 2007 Mercedes-Benz GL should accelerate faster than 1981 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz GL weights approximately 1460 kg more than 1981 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 1981 Renault 18. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz GL 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, 2007 Mercedes-Benz GL (531 Nm @ 2800 RPM) has 428 more torque (in Nm) than 1981 Renault 18. (103 Nm @ 3000 RPM). This means 2007 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 18. 2007 Mercedes-Benz GL has automatic transmission and 1981 Renault 18 has manual transmission. 1981 Renault 18 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Mercedes-Benz GL | 1981 Renault 18 | |
| Make | Mercedes-Benz | Renault |
| Model | GL | 18 |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 5461 cc | 1396 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 383 HP | 63 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 531 Nm | 103 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Engine Bore Size | 98 mm | 76 mm |
| Engine Stroke Size | 90.5 mm | 77 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2445 kg | 985 kg |
| Vehicle Length | 5090 mm | 4500 mm |
| Vehicle Width | 1930 mm | 1710 mm |
| Vehicle Height | 1850 mm | 1410 mm |
| Wheelbase Size | 3080 mm | 2450 mm |
| Fuel Consumption Overall | 13.9 L/100km | 7 L/100km |
| Fuel Tank Capacity | 100 L | 60 L |
