1997 Buick Riviera vs. 2007 Daihatsu Sirion
To start off, 2007 Daihatsu Sirion is newer by 10 year(s). Which means there will be less support and parts availability for 1997 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1997 Buick Riviera would be higher. At 3,790 cc (6 cylinders), 1997 Buick Riviera is equipped with a bigger engine. In terms of performance, 1997 Buick Riviera (180 HP @ 4000 RPM) has 79 more horse power than 2007 Daihatsu Sirion. (101 HP @ 3600 RPM). In normal driving conditions, 1997 Buick Riviera should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1997 Buick Riviera weights approximately 741 kg more than 2007 Daihatsu Sirion. 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, 1997 Buick Riviera (364 Nm @ 2400 RPM) has 224 more torque (in Nm) than 2007 Daihatsu Sirion. (140 Nm @ 4600 RPM). This means 1997 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion. 1997 Buick Riviera has automatic transmission and 2007 Daihatsu Sirion has manual transmission. 2007 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1997 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1997 Buick Riviera | 2007 Daihatsu Sirion | |
| Make | Buick | Daihatsu |
| Model | Riviera | Sirion |
| Year Released | 1997 | 2007 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3790 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 180 HP | 101 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 364 Nm | 140 Nm |
| Torque RPM | 2400 RPM | 4600 RPM |
| Engine Bore Size | 96.5 mm | 72 mm |
| Engine Stroke Size | 86.4 mm | 79.7 mm |
| Engine Compression Ratio | 8.0:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1681 kg | 940 kg |
| Vehicle Length | 5230 mm | 3610 mm |
| Vehicle Width | 2040 mm | 1560 mm |
| Vehicle Height | 1380 mm | 1670 mm |
| Wheelbase Size | 2900 mm | 2440 mm |
| Fuel Tank Capacity | 88 L | 40 L |
