1968 Buick Riviera vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 41 year(s). Which means there will be less support and parts availability for 1968 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1968 Buick Riviera would be higher. At 7,050 cc (8 cylinders), 1968 Buick Riviera is equipped with a bigger engine. In terms of performance, 1968 Buick Riviera (305 HP @ 5000 RPM) has 203 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM). In normal driving conditions, 1968 Buick Riviera should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 994 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 1968 Buick Riviera. 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, 1968 Buick Riviera (645 Nm @ 3200 RPM) has 507 more torque (in Nm) than 2009 Daihatsu Sirion. (138 Nm @ 4400 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 1968 Buick Riviera | 2009 Daihatsu Sirion | |
| Make | Buick | Daihatsu |
| Model | Riviera | Sirion |
| Year Released | 1968 | 2009 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 1495 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 305 HP | 102 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 645 Nm | 138 Nm |
| Torque RPM | 3200 RPM | 4400 RPM |
| Engine Bore Size | 106.2 mm | 72 mm |
| Engine Stroke Size | 99.4 mm | 91.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 193 km/hour | 180 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1900 kg | 906 kg |
| Vehicle Length | 5370 mm | 3640 mm |
| Vehicle Width | 2020 mm | 1670 mm |
| Vehicle Height | 1370 mm | 1560 mm |
| Wheelbase Size | 3030 mm | 2440 mm |
| Fuel Tank Capacity | 75 L | 40 L |
