1971 Austin 3 vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 36 year(s). Which means there will be less support and parts availability for 1971 Austin 3. In addition, the cost of maintenance, including insurance, on 1971 Austin 3 would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 177 more horse power than 1971 Austin 3. (123 HP @ 4500 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1971 Austin 3.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 270 more torque (in Nm) than 1971 Austin 3. (218 Nm @ 3000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1971 Austin 3.
Compare all specifications:
| 1971 Austin 3 | 2007 GMC Sierra | |
| Make | Austin | GMC |
| Model | 3 | Sierra |
| Year Released | 1971 | 2007 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2910 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 300 HP |
| Engine RPM | 4500 RPM | 4400 RPM |
| Torque | 218 Nm | 488 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 83.4 mm | 102 mm |
| Engine Stroke Size | 88.9 mm | 92 mm |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Length | 4720 mm | 6330 mm |
| Vehicle Width | 1700 mm | 2450 mm |
| Vehicle Height | 1450 mm | 1940 mm |
| Wheelbase Size | 2940 mm | 4010 mm |
| Fuel Tank Capacity | 65 L | 129 L |
