2007 Chevrolet HHR vs. 2009 Zenvo ST1
To start off, 2009 Zenvo ST1 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Chevrolet HHR. In addition, the cost of maintenance, including insurance, on 2007 Chevrolet HHR would be higher. At 7,000 cc (8 cylinders), 2009 Zenvo ST1 is equipped with a bigger engine. In terms of performance, 2009 Zenvo ST1 (1,104 HP @ 6900 RPM) has 954 more horse power than 2007 Chevrolet HHR. (150 HP @ 5600 RPM) In normal driving conditions, 2009 Zenvo ST1 should accelerate faster than 2007 Chevrolet HHR. With that said, vehicle weight also plays an important factor in acceleration. 2009 Zenvo ST1 weights approximately 303 kg more than 2007 Chevrolet HHR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Zenvo ST1 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 2009 Zenvo ST1. 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, 2009 Zenvo ST1 (1,430 Nm @ 4500 RPM) has 1224 more torque (in Nm) than 2007 Chevrolet HHR. (206 Nm @ 4000 RPM). This means 2009 Zenvo ST1 will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet HHR.
Compare all specifications:
| 2007 Chevrolet HHR | 2009 Zenvo ST1 | |
| Make | Chevrolet | Zenvo |
| Model | HHR | ST1 |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2189 cc | 7000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 150 HP | 1104 HP |
| Engine RPM | 5600 RPM | 6900 RPM |
| Torque | 206 Nm | 1430 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1073 kg | 1376 kg |
| Vehicle Length | 4480 mm | 4665 mm |
| Vehicle Width | 1760 mm | 2041 mm |
| Vehicle Height | 1610 mm | 1198 mm |
| Wheelbase Size | 2630 mm | 3055 mm |
