1984 Ford Sierra vs. 2006 Mercedes-Benz GL
To start off, 2006 Mercedes-Benz GL is newer by 22 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 2,987 cc (6 cylinders), 2006 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz GL (221 HP @ 3800 RPM) has 155 more horse power than 1984 Ford Sierra. (66 HP @ 4200 RPM) In normal driving conditions, 2006 Mercedes-Benz GL should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz GL weights approximately 1219 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 2006 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, 2006 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, 2006 Mercedes-Benz GL (510 Nm @ 1600 RPM) has 370 more torque (in Nm) than 1984 Ford Sierra. (140 Nm @ 2000 RPM). This means 2006 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2006 Mercedes-Benz GL has automatic transmission and 1984 Ford Sierra has manual transmission. 1984 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 2006 Mercedes-Benz GL | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | GL |
| Year Released | 1984 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2304 cc | 2987 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 66 HP | 221 HP |
| Engine RPM | 4200 RPM | 3800 RPM |
| Torque | 140 Nm | 510 Nm |
| Torque RPM | 2000 RPM | 1600 RPM |
| Engine Bore Size | 94 mm | 83 mm |
| Engine Stroke Size | 83 mm | 92 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1235 kg | 2454 kg |
| Vehicle Length | 4510 mm | 5090 mm |
| Vehicle Width | 1740 mm | 1930 mm |
| Vehicle Height | 1450 mm | 1850 mm |
| Wheelbase Size | 2620 mm | 3080 mm |
| Fuel Tank Capacity | 60 L | 100 L |
