2007 Audi A6 vs. 1999 Daihatsu Sirion
To start off, 2007 Audi A6 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 2,967 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (221 HP @ 4000 RPM) has 168 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 620 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2007 Audi A6 (450 Nm @ 1400 RPM) has 362 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 2007 Audi A6 | 1999 Daihatsu Sirion | |
| Make | Audi | Daihatsu |
| Model | A6 | Sirion |
| Year Released | 2007 | 1999 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 988 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 53 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 450 Nm | 88 Nm |
| Torque RPM | 1400 RPM | 3600 RPM |
| Engine Bore Size | 83 mm | 71.9 mm |
| Engine Stroke Size | 91.4 mm | 81 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1510 kg | 890 kg |
| Vehicle Length | 4940 mm | 3680 mm |
| Vehicle Width | 1860 mm | 1600 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2850 mm | 2350 mm |
| Fuel Tank Capacity | 80 L | 37 L |
