2008 Cadillac STS vs. 1998 Daihatsu Sirion
To start off, 2008 Cadillac STS is newer by 10 year(s). Which means there will be less support and parts availability for 1998 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1998 Daihatsu Sirion would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 221 more horse power than 1998 Daihatsu Sirion. (100 HP @ 7000 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 1998 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 912 kg more than 1998 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2008 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 1998 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 307 more torque (in Nm) than 1998 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1998 Daihatsu Sirion. 2008 Cadillac STS has automatic transmission and 1998 Daihatsu Sirion has manual transmission. 1998 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac STS | 1998 Daihatsu Sirion | |
| Make | Cadillac | Daihatsu |
| Model | STS | Sirion |
| Year Released | 2008 | 1998 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1298 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 321 HP | 100 HP |
| Engine RPM | 6400 RPM | 7000 RPM |
| Torque | 427 Nm | 120 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Engine Bore Size | 93 mm | 72 mm |
| Engine Stroke Size | 84 mm | 79.7 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1812 kg | 900 kg |
| Vehicle Length | 4990 mm | 3680 mm |
| Vehicle Width | 1850 mm | 1600 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2960 mm | 2350 mm |
| Fuel Tank Capacity | 66 L | 37 L |
