2007 BMW 325 vs. 1999 Daihatsu Sirion
To start off, 2007 BMW 325 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1999 Daihatsu Sirion would be higher. At 2,497 cc (6 cylinders), 2007 BMW 325 is equipped with a bigger engine. In terms of performance, 2007 BMW 325 (215 HP @ 5600 RPM) has 162 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM). In normal driving conditions, 2007 BMW 325 should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 325 weights approximately 530 kg more than 1999 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW 325 (250 Nm @ 2750 RPM) has 162 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2007 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 2007 BMW 325 | 1999 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 325 | Sirion |
| Year Released | 2007 | 1999 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 988 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 53 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 250 Nm | 88 Nm |
| Torque RPM | 2750 RPM | 3600 RPM |
| Engine Bore Size | 78.8 mm | 71.9 mm |
| Engine Stroke Size | 82 mm | 81 mm |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1420 kg | 890 kg |
| Vehicle Length | 4590 mm | 3680 mm |
| Vehicle Width | 1400 mm | 1600 mm |
| Vehicle Height | 1790 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 2350 mm |
| Fuel Tank Capacity | 63 L | 37 L |
