1977 Buick LeSabre vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 32 year(s). Which means there will be less support and parts availability for 1977 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1977 Buick LeSabre would be higher. At 3,791 cc (6 cylinders), 1977 Buick LeSabre is equipped with a bigger engine. In terms of performance, 1977 Buick LeSabre (105 HP @ 3400 RPM) has 3 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM). In normal driving conditions, 1977 Buick LeSabre should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1977 Buick LeSabre weights approximately 684 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1977 Buick LeSabre. 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, 1977 Buick LeSabre (251 Nm @ 2000 RPM) has 113 more torque (in Nm) than 2009 Daihatsu Sirion. (138 Nm @ 4400 RPM). This means 1977 Buick LeSabre will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 1977 Buick LeSabre | 2009 Daihatsu Sirion | |
| Make | Buick | Daihatsu |
| Model | LeSabre | Sirion |
| Year Released | 1977 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1495 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 102 HP |
| Engine RPM | 3400 RPM | 6000 RPM |
| Torque | 251 Nm | 138 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1590 kg | 906 kg |
| Vehicle Length | 5550 mm | 3640 mm |
| Vehicle Width | 1910 mm | 1670 mm |
| Vehicle Height | 1430 mm | 1560 mm |
| Wheelbase Size | 2950 mm | 2440 mm |
