1975 Alfa Romeo Spider vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 31 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Spider would be higher. At 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (301 HP @ 4400 RPM) has 169 more horse power than 1975 Alfa Romeo Spider. (132 HP @ 5400 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1975 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1395 kg more than 1975 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1975 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 GMC Sierra (488 Nm @ 4000 RPM) has 307 more torque (in Nm) than 1975 Alfa Romeo Spider. (181 Nm @ 4000 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Spider.
Compare all specifications:
| 1975 Alfa Romeo Spider | 2006 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | Spider | Sierra |
| Year Released | 1975 | 2006 |
| Body Type | Roadster | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 5965 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 132 HP | 301 HP |
| Engine RPM | 5400 RPM | 4400 RPM |
| Torque | 181 Nm | 488 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1040 kg | 2435 kg |
| Vehicle Length | 4130 mm | 6570 mm |
| Vehicle Width | 1640 mm | 2030 mm |
| Vehicle Height | 1300 mm | 1960 mm |
| Wheelbase Size | 2260 mm | 4250 mm |
