1978 Alfa Romeo Alfetta vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 28 year(s). Which means there will be less support and parts availability for 1978 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1978 Alfa Romeo Alfetta 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 (300 HP @ 4400 RPM) has 156 more horse power than 1978 Alfa Romeo Alfetta. (144 HP @ 6500 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1978 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1086 kg more than 1978 Alfa Romeo Alfetta. 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 1978 Alfa Romeo Alfetta. 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 319 more torque (in Nm) than 1978 Alfa Romeo Alfetta. (169 Nm @ 3500 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Alfetta.
Compare all specifications:
| 1978 Alfa Romeo Alfetta | 2006 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | Alfetta | Sierra |
| Year Released | 1978 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 5965 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 144 HP | 300 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 169 Nm | 488 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Drive Type | Front | 4WD |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1350 kg | 2436 kg |
| Vehicle Length | 4290 mm | 6570 mm |
| Vehicle Width | 1790 mm | 2450 mm |
| Vehicle Height | 1320 mm | 1970 mm |
| Wheelbase Size | 2550 mm | 4250 mm |
| Fuel Tank Capacity | 70 L | 132 L |
