2007 GMC Sierra vs. 2003 Rover 45
To start off, 2007 GMC Sierra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Rover 45. In addition, the cost of maintenance, including insurance, on 2003 Rover 45 would be higher. At 4,802 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (295 HP @ 5600 RPM) has 193 more horse power than 2003 Rover 45. (102 HP @ 6300 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2003 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1207 kg more than 2003 Rover 45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Rover 45. In wet, icy, snow, or gravel driving conditions, 2007 GMC Sierra will offer significantly more control. 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, 2007 GMC Sierra (414 Nm @ 4800 RPM) has 291 more torque (in Nm) than 2003 Rover 45. (123 Nm @ 5000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Rover 45. 2007 GMC Sierra has automatic transmission and 2003 Rover 45 has manual transmission. 2003 Rover 45 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 | 2003 Rover 45 | |
| Make | GMC | Rover |
| Model | Sierra | 45 |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4802 cc | 1396 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 295 HP | 102 HP |
| Engine RPM | 5600 RPM | 6300 RPM |
| Torque | 414 Nm | 123 Nm |
| Torque RPM | 4800 RPM | 5000 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 2317 kg | 1110 kg |
| Vehicle Length | 5710 mm | 4370 mm |
| Vehicle Width | 2040 mm | 1700 mm |
| Vehicle Height | 1870 mm | 1400 mm |
| Wheelbase Size | 3380 mm | 2630 mm |
| Fuel Tank Capacity | 129 L | 54 L |
