2007 GMC Sierra vs. 2003 MG ZR
To start off, 2007 GMC Sierra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 MG ZR. In addition, the cost of maintenance, including insurance, on 2003 MG ZR would be higher. At 5,997 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 195 more horse power than 2003 MG ZR. (158 HP @ 6900 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2003 MG ZR. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1162 kg more than 2003 MG ZR. 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 MG ZR. 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 (506 Nm @ 4400 RPM) has 332 more torque (in Nm) than 2003 MG ZR. (174 Nm @ 4700 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 MG ZR. 2007 GMC Sierra has automatic transmission and 2003 MG ZR has manual transmission. 2003 MG ZR 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 MG ZR | |
| Make | GMC | MG |
| Model | Sierra | ZR |
| Year Released | 2007 | 2003 |
| Body Type | Pickup | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5997 cc | 1794 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 158 HP |
| Engine RPM | 5400 RPM | 6900 RPM |
| Torque | 506 Nm | 174 Nm |
| Torque RPM | 4400 RPM | 4700 RPM |
| Engine Bore Size | 102 mm | 80 mm |
| Engine Stroke Size | 92 mm | 89.3 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 2282 kg | 1120 kg |
| Vehicle Length | 5710 mm | 4020 mm |
| Vehicle Width | 2040 mm | 1690 mm |
| Vehicle Height | 1950 mm | 1430 mm |
| Wheelbase Size | 3380 mm | 2510 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 129 L | 65 L |
