1999 GMC Sierra vs. 2006 Mercedes-Benz GL
To start off, 2006 Mercedes-Benz GL is newer by 7 year(s). Which means there will be less support and parts availability for 1999 GMC Sierra. In addition, the cost of maintenance, including insurance, on 1999 GMC Sierra would be higher. At 5,461 cc (8 cylinders), 2006 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz GL (384 HP @ 6000 RPM) has 117 more horse power than 1999 GMC Sierra. (267 HP @ 5200 RPM) In normal driving conditions, 2006 Mercedes-Benz GL should accelerate faster than 1999 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz GL weights approximately 640 kg more than 1999 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (530 Nm @ 2800 RPM) has 144 more torque (in Nm) than 1999 GMC Sierra. (386 Nm @ 4000 RPM). This means 2006 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 1999 GMC Sierra. 2006 Mercedes-Benz GL has automatic transmission and 1999 GMC Sierra has manual transmission. 1999 GMC 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:
| 1999 GMC Sierra | 2006 Mercedes-Benz GL | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | GL |
| Year Released | 1999 | 2006 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 4784 cc | 5461 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 267 HP | 384 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 386 Nm | 530 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1805 kg | 2445 kg |
| Vehicle Length | 5170 mm | 5090 mm |
| Vehicle Width | 2000 mm | 1930 mm |
| Vehicle Height | 1810 mm | 1850 mm |
| Wheelbase Size | 3030 mm | 3080 mm |
