2004 Buick LaCrosse vs. 2005 Proton 400
To start off, 2005 Proton 400 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Buick LaCrosse. In addition, the cost of maintenance, including insurance, on 2004 Buick LaCrosse would be higher. At 3,790 cc (6 cylinders), 2004 Buick LaCrosse is equipped with a bigger engine. In terms of performance, 2004 Buick LaCrosse (197 HP @ 5200 RPM) has 123 more horse power than 2005 Proton 400. (74 HP @ 6000 RPM). In normal driving conditions, 2004 Buick LaCrosse should accelerate faster than 2005 Proton 400. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick LaCrosse weights approximately 595 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.
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, 2004 Buick LaCrosse (305 Nm @ 4000 RPM) has 197 more torque (in Nm) than 2005 Proton 400. (108 Nm @ 3000 RPM). This means 2004 Buick LaCrosse will have an easier job in driving up hills or pulling heavy equipment than 2005 Proton 400. 2004 Buick LaCrosse 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. 2004 Buick LaCrosse will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Buick LaCrosse | 2005 Proton 400 | |
| Make | Buick | Proton |
| Model | LaCrosse | 400 |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3790 cc | 1299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 197 HP | 74 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 305 Nm | 108 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1585 kg | 990 kg |
| Vehicle Length | 5040 mm | 4280 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1460 mm | 1390 mm |
| Wheelbase Size | 2860 mm | 2510 mm |
