1973 Chevrolet Vega vs. 1999 Daihatsu Sirion
To start off, 1999 Daihatsu Sirion is newer by 26 year(s). Which means there will be less support and parts availability for 1973 Chevrolet Vega. In addition, the cost of maintenance, including insurance, on 1973 Chevrolet Vega would be higher. At 2,287 cc (4 cylinders), 1973 Chevrolet Vega is equipped with a bigger engine. In terms of performance, 1973 Chevrolet Vega (81 HP @ 4800 RPM) has 28 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM). In normal driving conditions, 1973 Chevrolet Vega should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1973 Chevrolet Vega weights approximately 115 kg more than 1999 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1973 Chevrolet Vega. In wet, icy, snow, or gravel driving conditions, 1999 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, 1973 Chevrolet Vega (167 Nm @ 2800 RPM) has 79 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 1973 Chevrolet Vega will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion. 1973 Chevrolet Vega has automatic transmission and 1999 Daihatsu Sirion has manual transmission. 1999 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 Chevrolet Vega will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Chevrolet Vega | 1999 Daihatsu Sirion | |
| Make | Chevrolet | Daihatsu |
| Model | Vega | Sirion |
| Year Released | 1973 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2287 cc | 988 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 53 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 167 Nm | 88 Nm |
| Torque RPM | 2800 RPM | 3600 RPM |
| Engine Bore Size | 89 mm | 71.9 mm |
| Engine Stroke Size | 91.9 mm | 81 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1005 kg | 890 kg |
| Vehicle Length | 4320 mm | 3680 mm |
| Vehicle Width | 1670 mm | 1600 mm |
| Vehicle Height | 1280 mm | 1460 mm |
| Wheelbase Size | 2480 mm | 2350 mm |
| Fuel Tank Capacity | 42 L | 37 L |
