1974 Austin Allegro vs. 2009 Chevrolet HHR
To start off, 2009 Chevrolet HHR is newer by 35 year(s). Which means there will be less support and parts availability for 1974 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1974 Austin Allegro would be higher. At 2,399 cc (4 cylinders), 2009 Chevrolet HHR is equipped with a bigger engine. In terms of performance, 2009 Chevrolet HHR (168 HP @ 6200 RPM) has 124 more horse power than 1974 Austin Allegro. (44 HP @ 5250 RPM) In normal driving conditions, 2009 Chevrolet HHR should accelerate faster than 1974 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet HHR weights approximately 655 kg more than 1974 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2009 Chevrolet HHR (222 Nm @ 4800 RPM) has 148 more torque (in Nm) than 1974 Austin Allegro. (74 Nm @ 2900 RPM). This means 2009 Chevrolet HHR will have an easier job in driving up hills or pulling heavy equipment than 1974 Austin Allegro.
Compare all specifications:
| 1974 Austin Allegro | 2009 Chevrolet HHR | |
| Make | Austin | Chevrolet |
| Model | Allegro | HHR |
| Year Released | 1974 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2399 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 44 HP | 168 HP |
| Engine RPM | 5250 RPM | 6200 RPM |
| Torque | 74 Nm | 222 Nm |
| Torque RPM | 2900 RPM | 4800 RPM |
| Engine Bore Size | 64.6 mm | 88 mm |
| Engine Stroke Size | 83.7 mm | 98 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 815 kg | 1470 kg |
| Vehicle Length | 3200 mm | 3380 mm |
| Vehicle Width | 1620 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1610 mm |
| Wheelbase Size | 2450 mm | 2640 mm |
| Fuel Tank Capacity | 48 L | 61 L |
