1955 Austin A 55 vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 56 year(s). Which means there will be less support and parts availability for 1955 Austin A 55. In addition, the cost of maintenance, including insurance, on 1955 Austin A 55 would be higher. At 5,999 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (353 HP @ 5400 RPM) has 302 more horse power than 1955 Austin A 55. (51 HP @ 4250 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1955 Austin A 55. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1086 kg more than 1955 Austin A 55. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1955 Austin A 55. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 GMC Sierra (506 Nm @ 4400 RPM) has 396 more torque (in Nm) than 1955 Austin A 55. (110 Nm @ 2000 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1955 Austin A 55. 2011 GMC Sierra has automatic transmission and 1955 Austin A 55 has manual transmission. 1955 Austin A 55 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Austin A 55 | 2011 GMC Sierra | |
| Make | Austin | GMC |
| Model | A 55 | Sierra |
| Year Released | 1955 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1489 cc | 5999 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 51 HP | 353 HP |
| Engine RPM | 4250 RPM | 5400 RPM |
| Torque | 110 Nm | 506 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Vehicle Weight | 1055 kg | 2141 kg |
| Vehicle Length | 4250 mm | 6580 mm |
| Vehicle Width | 1570 mm | 2040 mm |
| Vehicle Height | 1570 mm | 1960 mm |
| Wheelbase Size | 2530 mm | 4250 mm |
