1984 Ford Sierra vs. 2008 Mercedes-Benz GL
To start off, 2008 Mercedes-Benz GL is newer by 24 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 3,996 cc (8 cylinders), 2008 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz GL (303 HP @ 3600 RPM) has 189 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM) In normal driving conditions, 2008 Mercedes-Benz GL should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz GL weights approximately 1435 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Mercedes-Benz GL (700 Nm @ 2200 RPM) has 524 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 2008 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 2008 Mercedes-Benz GL | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | GL |
| Year Released | 1984 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 3996 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 114 HP | 303 HP |
| Engine RPM | 5300 RPM | 3600 RPM |
| Torque | 176 Nm | 700 Nm |
| Torque RPM | 3000 RPM | 2200 RPM |
| Engine Bore Size | 90 mm | 86 mm |
| Engine Stroke Size | 60.1 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 17.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1115 kg | 2550 kg |
| Vehicle Length | 4420 mm | 5090 mm |
| Vehicle Width | 1730 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1850 mm |
| Wheelbase Size | 2610 mm | 3080 mm |
| Fuel Tank Capacity | 60 L | 100 L |
