1981 Alfa Romeo Spider vs. 2008 GMC Sierra
To start off, 2008 GMC Sierra is newer by 27 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Spider would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 250 more horse power than 1981 Alfa Romeo Spider. (103 HP @ 5500 RPM) In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1981 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1141 kg more than 1981 Alfa Romeo Spider. 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 1981 Alfa Romeo Spider. 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 361 more torque (in Nm) than 1981 Alfa Romeo Spider. (145 Nm @ 4500 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Spider.
Compare all specifications:
| 1981 Alfa Romeo Spider | 2008 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | Spider | Sierra |
| Year Released | 1981 | 2008 |
| Body Type | Roadster | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 5999 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 103 HP | 353 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 145 Nm | 506 Nm |
| Torque RPM | 4500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1000 kg | 2141 kg |
| Vehicle Length | 4130 mm | 6580 mm |
| Vehicle Width | 1640 mm | 2040 mm |
| Vehicle Height | 1300 mm | 1960 mm |
| Wheelbase Size | 2260 mm | 4250 mm |
