2009 Daihatsu Sirion vs. 1985 Volkswagen Jetta
To start off, 2009 Daihatsu Sirion is newer by 24 year(s). Which means there will be less support and parts availability for 1985 Volkswagen Jetta. In addition, the cost of maintenance, including insurance, on 1985 Volkswagen Jetta would be higher. At 1,588 cc (4 cylinders), 1985 Volkswagen Jetta is equipped with a bigger engine. In terms of performance, 2009 Daihatsu Sirion (102 HP @ 6000 RPM) has 32 more horse power than 1985 Volkswagen Jetta. (70 HP @ 4500 RPM). In normal driving conditions, 2009 Daihatsu Sirion should accelerate faster than 1985 Volkswagen Jetta. With that said, vehicle weight also plays an important factor in acceleration. 1985 Volkswagen Jetta weights approximately 72 kg more than 2009 Daihatsu Sirion.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1985 Volkswagen Jetta. In wet, icy, snow, or gravel driving conditions, 2009 Daihatsu Sirion will offer significantly more control. 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 Daihatsu Sirion (138 Nm @ 4400 RPM) has 5 more torque (in Nm) than 1985 Volkswagen Jetta. (133 Nm @ 2700 RPM). This means 2009 Daihatsu Sirion will have an easier job in driving up hills or pulling heavy equipment than 1985 Volkswagen Jetta. 2009 Daihatsu Sirion has automatic transmission and 1985 Volkswagen Jetta has manual transmission. 1985 Volkswagen Jetta will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Daihatsu Sirion | 1985 Volkswagen Jetta | |
| Make | Daihatsu | Volkswagen |
| Model | Sirion | Jetta |
| Year Released | 2009 | 1985 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1495 cc | 1588 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 102 HP | 70 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 138 Nm | 133 Nm |
| Torque RPM | 4400 RPM | 2700 RPM |
| Engine Bore Size | 72 mm | 76.5 mm |
| Engine Stroke Size | 91.8 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 23.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 180 km/hour | 161 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 906 kg | 978 kg |
| Vehicle Length | 3640 mm | 4320 mm |
| Vehicle Width | 1670 mm | 1670 mm |
| Vehicle Height | 1560 mm | 1420 mm |
| Wheelbase Size | 2440 mm | 2480 mm |
