2006 Buick Terraza vs. 2003 Opel Vectra
To start off, 2006 Buick Terraza is newer by 3 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 3,491 cc (6 cylinders), 2006 Buick Terraza is equipped with a bigger engine. In terms of performance, 2006 Buick Terraza (201 HP @ 5600 RPM) has 76 more horse power than 2003 Opel Vectra. (125 HP @ 4000 RPM). In normal driving conditions, 2006 Buick Terraza should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 10 kg more than 2006 Buick Terraza.
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, 2006 Buick Terraza (293 Nm @ 4000 RPM) has 13 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 RPM). This means 2006 Buick Terraza will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2006 Buick Terraza 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. 2006 Buick Terraza will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Buick Terraza | 2003 Opel Vectra | |
| Make | Buick | Opel |
| Model | Terraza | Vectra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3491 cc | 2169 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 201 HP | 125 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 293 Nm | 280 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Bore Size | 94 mm | 84 mm |
| Engine Stroke Size | 86 mm | 98 mm |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Vehicle Weight | 1550 kg | 1560 kg |
| Vehicle Length | 5210 mm | 4830 mm |
| Vehicle Width | 1920 mm | 1800 mm |
| Vehicle Height | 1840 mm | 1510 mm |
