2007 Mercedes-Benz GL vs. 1990 Porsche 928
To start off, 2007 Mercedes-Benz GL is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Porsche 928. In addition, the cost of maintenance, including insurance, on 1990 Porsche 928 would be higher. At 4,664 cc (8 cylinders), 1990 Porsche 928 is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz GL (335 HP @ 6000 RPM) has 29 more horse power than 1990 Porsche 928. (306 HP @ 5900 RPM). In normal driving conditions, 2007 Mercedes-Benz GL should accelerate faster than 1990 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz GL weights approximately 900 kg more than 1990 Porsche 928. 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 1990 Porsche 928. 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 (460 Nm @ 2700 RPM) has 52 more torque (in Nm) than 1990 Porsche 928. (408 Nm @ 4100 RPM). This means 2007 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 1990 Porsche 928.
Compare all specifications:
| 2007 Mercedes-Benz GL | 1990 Porsche 928 | |
| Make | Mercedes-Benz | Porsche |
| Model | GL | 928 |
| Year Released | 2007 | 1990 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4663 cc | 4664 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 306 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 460 Nm | 408 Nm |
| Torque RPM | 2700 RPM | 4100 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2430 kg | 1530 kg |
| Vehicle Length | 5090 mm | 4450 mm |
| Vehicle Width | 1930 mm | 1840 mm |
| Vehicle Height | 1850 mm | 1290 mm |
| Wheelbase Size | 3080 mm | 2510 mm |
| Fuel Tank Capacity | 100 L | 76 L |
