2007 Chevrolet HHR vs. 1978 Opel Senator
To start off, 2007 Chevrolet HHR is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Opel Senator. In addition, the cost of maintenance, including insurance, on 1978 Opel Senator would be higher. At 2,189 cc (4 cylinders), 2007 Chevrolet HHR is equipped with a bigger engine. In terms of performance, 2007 Chevrolet HHR (150 HP @ 5600 RPM) has 35 more horse power than 1978 Opel Senator. (115 HP @ 5600 RPM). In normal driving conditions, 2007 Chevrolet HHR should accelerate faster than 1978 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 1978 Opel Senator weights approximately 262 kg more than 2007 Chevrolet HHR.
Because 1978 Opel Senator 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 1978 Opel Senator. 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, 2007 Chevrolet HHR (206 Nm @ 4000 RPM) has 46 more torque (in Nm) than 1978 Opel Senator. (160 Nm @ 4200 RPM). This means 2007 Chevrolet HHR will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Senator. 1978 Opel Senator 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. 1978 Opel Senator will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Chevrolet HHR | 1978 Opel Senator | |
| Make | Chevrolet | Opel |
| Model | HHR | Senator |
| Year Released | 2007 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2189 cc | 1977 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 150 HP | 115 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 206 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Engine Bore Size | 86.1 mm | 95 mm |
| Engine Stroke Size | 94.5 mm | 69.8 mm |
| Engine Compression Ratio | 10.0:1 | 9.4:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1073 kg | 1335 kg |
| Vehicle Length | 4480 mm | 4850 mm |
| Vehicle Width | 1760 mm | 1730 mm |
| Vehicle Height | 1610 mm | 1390 mm |
| Wheelbase Size | 2630 mm | 2690 mm |
| Fuel Tank Capacity | 61 L | 43 L |
