1975 Alfa Romeo Alfetta vs. 2010 GMC Sierra
To start off, 2010 GMC Sierra is newer by 35 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Alfetta would be higher. At 6,000 cc (8 cylinders), 2010 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 GMC Sierra (353 HP @ 5400 RPM) has 245 more horse power than 1975 Alfa Romeo Alfetta. (108 HP @ 5600 RPM) In normal driving conditions, 2010 GMC Sierra should accelerate faster than 1975 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2010 GMC Sierra weights approximately 1579 kg more than 1975 Alfa Romeo Alfetta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1975 Alfa Romeo Alfetta. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 GMC Sierra (506 Nm @ 4400 RPM) has 364 more torque (in Nm) than 1975 Alfa Romeo Alfetta. (142 Nm @ 4300 RPM). This means 2010 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Alfetta. 2010 GMC Sierra has automatic transmission and 1975 Alfa Romeo Alfetta has manual transmission. 1975 Alfa Romeo Alfetta will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Alfa Romeo Alfetta | 2010 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | Alfetta | Sierra |
| Year Released | 1975 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 6000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 108 HP | 353 HP |
| Engine RPM | 5600 RPM | 5400 RPM |
| Torque | 142 Nm | 506 Nm |
| Torque RPM | 4300 RPM | 4400 RPM |
| Engine Compression Ratio | 9.0:1 | 9.6:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1080 kg | 2659 kg |
| Vehicle Length | 4290 mm | 5720 mm |
| Vehicle Width | 1620 mm | 2440 mm |
| Vehicle Height | 1440 mm | 1960 mm |
| Wheelbase Size | 2520 mm | 3380 mm |
| Fuel Tank Capacity | 49 L | 129 L |
