2005 Proton 400 vs. 2012 Mercedes-Benz GL
To start off, 2012 Mercedes-Benz GL is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Proton 400. In addition, the cost of maintenance, including insurance, on 2005 Proton 400 would be higher. At 5,500 cc (8 cylinders), 2012 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz GL (382 HP @ 6000 RPM) has 308 more horse power than 2005 Proton 400. (74 HP @ 6000 RPM) In normal driving conditions, 2012 Mercedes-Benz GL should accelerate faster than 2005 Proton 400. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz GL weights approximately 1525 kg more than 2005 Proton 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Mercedes-Benz GL is all wheel drive (AWD), it will have significant more traction and grip than 2005 Proton 400. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 Mercedes-Benz GL (530 Nm @ 2800 RPM) has 422 more torque (in Nm) than 2005 Proton 400. (108 Nm @ 3000 RPM). This means 2012 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2005 Proton 400. 2012 Mercedes-Benz GL has automatic transmission and 2005 Proton 400 has manual transmission. 2005 Proton 400 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Proton 400 | 2012 Mercedes-Benz GL | |
| Make | Proton | Mercedes-Benz |
| Model | 400 | GL |
| Year Released | 2005 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1299 cc | 5500 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 74 HP | 382 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 108 Nm | 530 Nm |
| Torque RPM | 3000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Vehicle Weight | 990 kg | 2515 kg |
| Vehicle Length | 4280 mm | 5098 mm |
| Vehicle Width | 1700 mm | 1989 mm |
| Vehicle Height | 1390 mm | 1839 mm |
| Wheelbase Size | 2510 mm | 3076 mm |
