2009 Buick LaCrosse vs. 2003 Opel Vectra
To start off, 2009 Buick LaCrosse is newer by 6 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 3,791 cc (6 cylinders), 2009 Buick LaCrosse is equipped with a bigger engine. In terms of performance, 2009 Buick LaCrosse (200 HP) has 75 more horse power than 2003 Opel Vectra. (125 HP). In normal driving conditions, 2009 Buick LaCrosse should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Buick LaCrosse weights approximately 57 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, 2009 Buick LaCrosse (312 Nm @ 4000 RPM) has 32 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 RPM). This means 2009 Buick LaCrosse will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2009 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. 2009 Buick LaCrosse will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Buick LaCrosse | 2003 Opel Vectra | |
| Make | Buick | Opel |
| Model | LaCrosse | Vectra |
| Year Released | 2009 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2169 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 125 HP |
| Torque | 312 Nm | 280 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1617 kg | 1560 kg |
| Vehicle Length | 5040 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
