2004 Buick LaCrosse vs. 2003 Opel Vectra
To start off, 2004 Buick LaCrosse is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra 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 98 more horse power than 2003 Opel Vectra. (99 HP @ 4400 RPM). In normal driving conditions, 2004 Buick LaCrosse should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick LaCrosse weights approximately 90 kg more than 2003 Opel Vectra. 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 84 more torque (in Nm) than 2003 Opel Vectra. (221 Nm @ 1950 RPM). This means 2004 Buick LaCrosse will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2004 Buick LaCrosse has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra 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 | 2003 Opel Vectra | |
| Make | Buick | Opel |
| Model | LaCrosse | Vectra |
| Year Released | 2004 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3790 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 99 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 305 Nm | 221 Nm |
| Torque RPM | 4000 RPM | 1950 RPM |
| Engine Bore Size | 97 mm | 84 mm |
| Engine Stroke Size | 86 mm | 90 mm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1495 kg |
| Vehicle Length | 5040 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
| Wheelbase Size | 2860 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 60 L |
