2007 GMC Sierra vs. 1999 Opel Vectra
To start off, 2007 GMC Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1999 Opel Vectra would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 132 more horse power than 1999 Opel Vectra. (168 HP @ 5800 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1999 Opel Vectra.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 258 more torque (in Nm) than 1999 Opel Vectra. (230 Nm @ 3200 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Vectra. 2007 GMC Sierra has automatic transmission and 1999 Opel Vectra has manual transmission. 1999 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Sierra | 1999 Opel Vectra | |
| Make | GMC | Opel |
| Model | Sierra | Vectra |
| Year Released | 2007 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 2498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 168 HP |
| Engine RPM | 4400 RPM | 5800 RPM |
| Torque | 488 Nm | 230 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Vehicle Length | 6570 mm | 4500 mm |
| Vehicle Width | 2450 mm | 1720 mm |
| Vehicle Height | 1970 mm | 1500 mm |
| Wheelbase Size | 4250 mm | 2650 mm |
