2002 Buick Century vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Buick Century. In addition, the cost of maintenance, including insurance, on 2002 Buick Century would be higher. At 3,135 cc (6 cylinders), 2002 Buick Century is equipped with a bigger engine. In terms of performance, 2002 Buick Century (176 HP @ 5200 RPM) has 23 more horse power than 2007 Opel Vectra. (153 HP @ 5600 RPM). In normal driving conditions, 2002 Buick Century should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Buick Century weights approximately 65 kg more than 2007 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, 2002 Buick Century (264 Nm @ 4000 RPM) has 44 more torque (in Nm) than 2007 Opel Vectra. (220 Nm @ 3800 RPM). This means 2002 Buick Century will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra. 2002 Buick Century has automatic transmission and 2007 Opel Vectra has manual transmission. 2007 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Buick Century will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Buick Century | 2007 Opel Vectra | |
| Make | Buick | Opel |
| Model | Century | Vectra |
| Year Released | 2002 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3135 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 176 HP | 153 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 264 Nm | 220 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 89 mm | 86 mm |
| Engine Stroke Size | 84 mm | 94.6 mm |
| Engine Compression Ratio | 9.6:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1520 kg | 1455 kg |
| Vehicle Length | 4950 mm | 4600 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2710 mm |
| Fuel Consumption Overall | 9.8 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 64 L | 61 L |
