2007 Buick LaCrosse vs. 2005 Chevrolet Impala
To start off, 2007 Buick LaCrosse is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Impala would be higher. At 3,791 cc (6 cylinders), 2007 Buick LaCrosse is equipped with a bigger engine. In terms of performance, 2007 Buick LaCrosse (200 HP) has 19 more horse power than 2005 Chevrolet Impala. (181 HP). In normal driving conditions, 2007 Buick LaCrosse should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2007 Buick LaCrosse weights approximately 413 kg more than 2005 Chevrolet Impala. 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, 2007 Buick LaCrosse (312 Nm) has 34 more torque (in Nm) than 2005 Chevrolet Impala. (278 Nm). This means 2007 Buick LaCrosse will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala.
Compare all specifications:
| 2007 Buick LaCrosse | 2005 Chevrolet Impala | |
| Make | Buick | Chevrolet |
| Model | LaCrosse | Impala |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3343 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 200 HP | 181 HP |
| Torque | 312 Nm | 278 Nm |
| Engine Bore Size | 96.5 mm | 91 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Engine Compression Ratio | 9.4:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1950 kg | 1537 kg |
| Vehicle Length | 5040 mm | 5090 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2810 mm | 2880 mm |
| Fuel Tank Capacity | 64 L | 64 L |
