2003 Alfa Romeo Spider vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo Spider would be higher. At 6,172 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (403 HP @ 5700 RPM) has 254 more horse power than 2003 Alfa Romeo Spider. (149 HP @ 6300 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2003 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1063 kg more than 2003 Alfa Romeo Spider. 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 Alfa Romeo Spider. 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 (565 Nm @ 4300 RPM) has 384 more torque (in Nm) than 2003 Alfa Romeo Spider. (181 Nm @ 3800 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo Spider. 2007 GMC Sierra has automatic transmission and 2003 Alfa Romeo Spider has manual transmission. 2003 Alfa Romeo Spider 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:
| 2003 Alfa Romeo Spider | 2007 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | Spider | Sierra |
| Year Released | 2003 | 2007 |
| Body Type | Roadster | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 6172 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 149 HP | 403 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 181 Nm | 565 Nm |
| Torque RPM | 3800 RPM | 4300 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1415 kg | 2478 kg |
| Vehicle Length | 4310 mm | 5850 mm |
| Vehicle Width | 1780 mm | 2040 mm |
| Vehicle Height | 1320 mm | 1880 mm |
| Wheelbase Size | 2710 mm | 3650 mm |
| Fuel Consumption | 6.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 9.2 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 98 L |
