2005 Buick Park Avenue vs. 2003 Proton 400
To start off, 2005 Buick Park Avenue is newer by 2 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 3,785 cc (6 cylinders), 2005 Buick Park Avenue is equipped with a bigger engine. In terms of performance, 2005 Buick Park Avenue (242 HP @ 5200 RPM) has 168 more horse power than 2003 Proton 400. (74 HP @ 6000 RPM). In normal driving conditions, 2005 Buick Park Avenue should accelerate faster than 2003 Proton 400. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Park Avenue weights approximately 792 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2005 Buick Park Avenue (380 Nm @ 3600 RPM) has 272 more torque (in Nm) than 2003 Proton 400. (108 Nm @ 3000 RPM). This means 2005 Buick Park Avenue will have an easier job in driving up hills or pulling heavy equipment than 2003 Proton 400. 2005 Buick Park Avenue 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. 2005 Buick Park Avenue will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Buick Park Avenue | 2003 Proton 400 | |
| Make | Buick | Proton |
| Model | Park Avenue | 400 |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3785 cc | 1299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 242 HP | 74 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 380 Nm | 108 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1762 kg | 970 kg |
| Vehicle Length | 5260 mm | 4370 mm |
| Vehicle Width | 1900 mm | 1700 mm |
| Vehicle Height | 1460 mm | 1390 mm |
| Wheelbase Size | 2900 mm | 2510 mm |
