2009 BMW X6 vs. 2003 Proton 400
To start off, 2009 BMW X6 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Proton 400. In addition, the cost of maintenance, including insurance, on 2003 Proton 400 would be higher. At 2,993 cc (6 cylinders), 2009 BMW X6 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (232 HP @ 4000 RPM) has 158 more horse power than 2003 Proton 400. (74 HP @ 6000 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 2003 Proton 400. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 1160 kg more than 2003 Proton 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Proton 400. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 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, 2009 BMW X6 (520 Nm @ 2000 RPM) has 412 more torque (in Nm) than 2003 Proton 400. (108 Nm @ 3000 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Proton 400. 2009 BMW X6 has automatic transmission and 2003 Proton 400 has manual transmission. 2003 Proton 400 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW X6 | 2003 Proton 400 | |
| Make | BMW | Proton |
| Model | X6 | 400 |
| Year Released | 2009 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1297 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 232 HP | 74 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 520 Nm | 108 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 2150 kg | 990 kg |
| Vehicle Length | 4880 mm | 4280 mm |
| Vehicle Width | 1990 mm | 1700 mm |
| Vehicle Height | 1700 mm | 1390 mm |
| Wheelbase Size | 2940 mm | 2510 mm |
