1999 Daihatsu Sirion vs. 1988 Opel Vectra
To start off, 1999 Daihatsu Sirion is newer by 11 year(s). Which means there will be less support and parts availability for 1988 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1988 Opel Vectra would be higher. At 1,598 cc (4 cylinders), 1988 Opel Vectra is equipped with a bigger engine. In terms of performance, 1988 Opel Vectra (101 HP @ 6000 RPM) has 48 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM) In normal driving conditions, 1988 Opel Vectra should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1988 Opel Vectra weights approximately 535 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 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, 1988 Opel Vectra (151 Nm @ 3600 RPM) has 63 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 1988 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion. 1988 Opel Vectra has automatic transmission and 1999 Daihatsu Sirion has manual transmission. 1999 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1988 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Daihatsu Sirion | 1988 Opel Vectra | |
| Make | Daihatsu | Opel |
| Model | Sirion | Vectra |
| Year Released | 1999 | 1988 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 989 cc | 1598 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 53 HP | 101 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 88 Nm | 151 Nm |
| Torque RPM | 3600 RPM | 3600 RPM |
| Engine Bore Size | 71.9 mm | 79 mm |
| Engine Stroke Size | 81 mm | 81.5 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 810 kg | 1345 kg |
| Vehicle Length | 3680 mm | 4500 mm |
| Vehicle Width | 1600 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2350 mm | 2740 mm |
| Fuel Tank Capacity | 37 L | 60 L |
