2007 GMC Sierra vs. 2003 Lexus IS
To start off, 2007 GMC Sierra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Lexus IS. In addition, the cost of maintenance, including insurance, on 2003 Lexus IS 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 (353 HP @ 5400 RPM) has 200 more horse power than 2003 Lexus IS. (153 HP @ 6200 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2003 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1388 kg more than 2003 Lexus IS. 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 Lexus IS. 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 310 more torque (in Nm) than 2003 Lexus IS. (196 Nm @ 4600 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Lexus IS. 2007 GMC Sierra has automatic transmission and 2003 Lexus IS has manual transmission. 2003 Lexus IS 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 Lexus IS | |
| Make | GMC | Lexus |
| Model | Sierra | IS |
| Year Released | 2007 | 2003 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1988 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 153 HP |
| Engine RPM | 5400 RPM | 6200 RPM |
| Torque | 506 Nm | 196 Nm |
| Torque RPM | 4400 RPM | 4600 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2788 kg | 1400 kg |
| Vehicle Length | 6340 mm | 4410 mm |
| Vehicle Width | 2040 mm | 1730 mm |
| Vehicle Height | 1950 mm | 1430 mm |
| Wheelbase Size | 4010 mm | 2680 mm |
| Fuel Tank Capacity | 129 L | 70 L |
