The Opel Vectra 2.0 Dti with a Swift Toscane 490 with an actual weight of 1275 kg is in general a good match and suitable for all journeys on all kinds of roads.
The motor preformance of the Opel is in general sufficient. And also the weight of the Swift with a normally distributed User Payload (200 kg in the caravan and 200 kg in the car including passengers), is not too heavy, if the caravan is well loaded.
Flat roads
Towing Performance
179
119
Mountains
Risk of snaking
176
160
Weight ratio: 77% (87% of kerbweight)
1275 kg
1665 kg
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Opel Vectra 2.0 Dti Swift Toscane 490
Actual Weights
Swift Toscane 490: 1275 kg.
Opel Vectra 2.0 Dti: 1665 kg.
Noseweight: 75 kg.
Actual weight ratio: 77%.
Performance
The engine's performance is generally fairly good on flat roads (performance score to compare 179 points).
Speeds of 66 mph (106 km/h) to 73 mph (117 km/h) are often quite possible.
There is only moderate power at low engine speeds (score to compare 119 points).
Slightly higher revs (2200 rpm) may be necessary under normal conditions on flat roads.
Acceleration from 0-62 mph (0-100 km/h) is theoretically possible in 24.6 sec.
In the mountains the performance is generally fairly good (score to compare 176 points).
No problems are to be expected on steep mountain roads. Hill starts are possible on steep slopes up to 13%, but do require some experience from the driver.
On motorway inclines the speed drops despite high revs.
A speed of 56 mph (91 km/h) is usually possible on most motorway inclines.
Weight
The towing limit of the Opel is sufficient (check this in your vehicle documents).
The car is too heavily loaded.
Weight ratio between the laden caravan and the loaded car is 77%. Common in the UK: the weight ratio between the laden caravan and the kerbweight of the car is 87%.
There is a small chance of snaking at higher speeds, strong side winds and thoughtless driving. Even if the combination normally feels stable, the forces by deflection side to side are great at high speed. For drivers with knowledge of, and experience in driving a caravan it is safe to drive, but proper and careful loading is still important! An electronic stability system in the car and / or on the caravan is worth considering.
Recommended noseweight is 75 kg.
Safe speed up to 62 mph (100 km/h).
Stability and safety score to compare is 160 points.
If the caravan starts to snake you should reduce your speed and slow down directly! Lift your feet off the accelerator and brake gradually. Hold the steering wheel into a fixed position.
Conclusion
Performance is sufficient.
If the caravan is well loaded safe driving is possible.
It's a perfect match!
Influence of User Payload on stability
Weight distribution and noseweight are vital in obtaining a stable caravan.