2008 GMC Sierra vs. 2003 Mazda Roadster
To start off, 2008 GMC Sierra is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Mazda Roadster. In addition, the cost of maintenance, including insurance, on 2003 Mazda Roadster would be higher. At 6,000 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (364 HP @ 5400 RPM) has 241 more horse power than 2003 Mazda Roadster. (123 HP @ 6500 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1629 kg more than 2003 Mazda Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mazda Roadster. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 364 more torque (in Nm) than 2003 Mazda Roadster. (142 Nm @ 5000 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster. 2008 GMC Sierra has automatic transmission and 2003 Mazda Roadster has manual transmission. 2003 Mazda Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 GMC Sierra | 2003 Mazda Roadster | |
| Make | GMC | Mazda |
| Model | Sierra | Roadster |
| Year Released | 2008 | 2003 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Front |
| Engine Size | 6000 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 364 HP | 123 HP |
| Engine RPM | 5400 RPM | 6500 RPM |
| Torque | 506 Nm | 142 Nm |
| Torque RPM | 4400 RPM | 5000 RPM |
| Engine Compression Ratio | 10.2:1 | 9.4:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2659 kg | 1030 kg |
| Vehicle Length | 5710 mm | 3960 mm |
| Vehicle Width | 2040 mm | 1690 mm |
| Vehicle Height | 1940 mm | 1240 mm |
| Wheelbase Size | 3380 mm | 2270 mm |
| Fuel Tank Capacity | 129 L | 48 L |
