2007 Chevrolet Optra vs. 1981 Subaru Rex
To start off, 2007 Chevrolet Optra is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Subaru Rex. In addition, the cost of maintenance, including insurance, on 1981 Subaru Rex would be higher. At 1,799 cc (4 cylinders), 2007 Chevrolet Optra is equipped with a bigger engine. In terms of performance, 2007 Chevrolet Optra (120 HP @ 5800 RPM) has 89 more horse power than 1981 Subaru Rex. (31 HP @ 6000 RPM). In normal driving conditions, 2007 Chevrolet Optra should accelerate faster than 1981 Subaru Rex. With that said, vehicle weight also plays an important factor in acceleration. 2007 Chevrolet Optra weights approximately 656 kg more than 1981 Subaru Rex. 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, 2007 Chevrolet Optra (165 Nm @ 4000 RPM) has 122 more torque (in Nm) than 1981 Subaru Rex. (43 Nm @ 3500 RPM). This means 2007 Chevrolet Optra will have an easier job in driving up hills or pulling heavy equipment than 1981 Subaru Rex.
Compare all specifications:
2007 Chevrolet Optra | 1981 Subaru Rex | |
Make | Chevrolet | Subaru |
Model | Optra | Rex |
Year Released | 2007 | 1981 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 1799 cc | 543 cc |
Engine Cylinders | 4 cylinders | 2 cylinders |
Engine Type | in-line | in-line |
Horse Power | 120 HP | 31 HP |
Engine RPM | 5800 RPM | 6000 RPM |
Torque | 165 Nm | 43 Nm |
Torque RPM | 4000 RPM | 3500 RPM |
Engine Bore Size | 81.6 mm | 76 mm |
Engine Stroke Size | 86 mm | 60 mm |
Engine Compression Ratio | 9.8:1 | 9.5:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 3 doors |
Vehicle Weight | 1211 kg | 555 kg |
Vehicle Length | 4510 mm | 3250 mm |
Vehicle Width | 1730 mm | 1400 mm |
Vehicle Height | 1450 mm | 1360 mm |
Wheelbase Size | 2610 mm | 2260 mm |