2007 Chevrolet HHR vs. 1975 AC 428
To start off, 2007 Chevrolet HHR is newer by 32 year(s). Which means there will be less support and parts availability for 1975 AC 428. In addition, the cost of maintenance, including insurance, on 1975 AC 428 would be higher. At 7,003 cc (8 cylinders), 1975 AC 428 is equipped with a bigger engine. In terms of performance, 1975 AC 428 (298 HP @ 4600 RPM) has 149 more horse power than 2007 Chevrolet HHR. (149 HP @ 5600 RPM) In normal driving conditions, 1975 AC 428 should accelerate faster than 2007 Chevrolet HHR.
Because 1975 AC 428 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 AC 428. However, in wet, icy, snow, or gravel driving conditions, 2007 Chevrolet HHR, being front wheel drive (FWD), will offer much better control with better grip. 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, 1975 AC 428 (639 Nm @ 2800 RPM) has 433 more torque (in Nm) than 2007 Chevrolet HHR. (206 Nm @ 4200 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet HHR. 1975 AC 428 has automatic transmission and 2007 Chevrolet HHR has manual transmission. 2007 Chevrolet HHR will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 AC 428 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Chevrolet HHR | 1975 AC 428 | |
| Make | Chevrolet | AC |
| Model | HHR | 428 |
| Year Released | 2007 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2201 cc | 7003 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 298 HP |
| Engine RPM | 5600 RPM | 4600 RPM |
| Torque | 206 Nm | 639 Nm |
| Torque RPM | 4200 RPM | 2800 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4480 mm | 4430 mm |
| Vehicle Width | 1760 mm | 1710 mm |
| Vehicle Height | 1610 mm | 1310 mm |
| Wheelbase Size | 2640 mm | 2450 mm |
