1998 BMW 320 vs. 1998 Daihatsu Sirion
To start off, both 1998 BMW 320 and 1998 Daihatsu Sirion were released in the same year (1998). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,990 cc (6 cylinders), 1998 BMW 320 is equipped with a bigger engine. In terms of performance, 1998 BMW 320 (150 HP @ 5900 RPM) has 50 more horse power than 1998 Daihatsu Sirion. (100 HP @ 7000 RPM). In normal driving conditions, 1998 BMW 320 should accelerate faster than 1998 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 320 weights approximately 410 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 1998 BMW 320. 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, 1998 BMW 320 (190 Nm @ 4200 RPM) has 70 more torque (in Nm) than 1998 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 1998 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 1998 Daihatsu Sirion.
Compare all specifications:
| 1998 BMW 320 | 1998 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 320 | Sirion |
| Year Released | 1998 | 1998 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 150 HP | 100 HP |
| Engine RPM | 5900 RPM | 7000 RPM |
| Torque | 190 Nm | 120 Nm |
| Torque RPM | 4200 RPM | 4400 RPM |
| Engine Bore Size | 80 mm | 72 mm |
| Engine Stroke Size | 66 mm | 79.7 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1310 kg | 900 kg |
| Vehicle Length | 4440 mm | 3680 mm |
| Vehicle Width | 1800 mm | 1600 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 2350 mm |
| Fuel Tank Capacity | 65 L | 37 L |
