1977 Alfa Romeo Alfasud vs. 2003 GMC Sierra
To start off, 2003 GMC Sierra is newer by 26 year(s). Which means there will be less support and parts availability for 1977 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1977 Alfa Romeo Alfasud would be higher. At 5,967 cc (8 cylinders), 2003 GMC Sierra is equipped with a bigger engine. In terms of performance, 2003 GMC Sierra (321 HP @ 5000 RPM) has 246 more horse power than 1977 Alfa Romeo Alfasud. (75 HP @ 6000 RPM) In normal driving conditions, 2003 GMC Sierra should accelerate faster than 1977 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 1432 kg more than 1977 Alfa Romeo Alfasud. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1977 Alfa Romeo Alfasud. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 GMC Sierra (370 Nm @ 4000 RPM) has 267 more torque (in Nm) than 1977 Alfa Romeo Alfasud. (103 Nm @ 3500 RPM). This means 2003 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Alfa Romeo Alfasud. 2003 GMC Sierra has automatic transmission and 1977 Alfa Romeo Alfasud has manual transmission. 1977 Alfa Romeo Alfasud will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 Alfa Romeo Alfasud | 2003 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | Alfasud | Sierra |
| Year Released | 1977 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1287 cc | 5967 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Horse Power | 75 HP | 321 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 103 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 838 kg | 2270 kg |
| Vehicle Length | 4030 mm | 5790 mm |
| Vehicle Width | 1620 mm | 2000 mm |
| Vehicle Height | 1310 mm | 1850 mm |
| Wheelbase Size | 2460 mm | 3650 mm |
| Fuel Tank Capacity | 50 L | 117 L |
