The Citroen C4 Picasso 1.6 Hdi semi-aut. with a Lunar Chateau 470 with an actual weight of 1280 kg is in general a good match and suitable for all journeys on all kinds of roads.
The motor preformance of the Citroen is in general sufficient. And also the weight of the Lunar with a normally distributed User Payload (200 kg in the caravan and 200 kg in the car including passengers), is good.
Flat roads
Towing Performance
168
154
Mountains
Risk of snaking
149
181
Weight ratio: 71% (81% of kerbweight)
1280 kg
1799 kg
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The engine's performance is generally fairly good on flat roads (performance score to compare 168 points).
Speeds of 66 mph (106 km/h) to 72 mph (116 km/h) are often quite possible.
There is sufficient power at low engine speeds (score to compare 154 points).
Slightly higher revs (1900 rpm) may be necessary under normal conditions on flat roads.
Acceleration from 0-62 mph (0-100 km/h) is theoretically possible in 28.8 sec.
In the mountains the performance is generally sufficient (score to compare 149 points).
No problems are to be expected on steep mountain roads. Hill starts are possible on steep slopes up to 12%.
On motorway inclines the speed drops despite high revs.
A speed of 53 mph (86 km/h) is usually possible on most motorway inclines.
Weight
The towing limit of the Citroen is sufficient (check this in your vehicle documents).
If you passed your driving test after 1 January 1997, a B driving license is enough.
Weight ratio between the laden caravan and the loaded car is 71%. Common in the UK: the weight ratio between the laden caravan and the kerbweight of the car is 81%.
The chance of snaking is relatively small at normal speed, if the caravan is well loaded.
Recommended noseweight is 65 - 75 kg.
Towball limit is 60 kg (Check this on the type plate of your towbar!)
Safe speed up to 62 mph (100 km/h).
Stability and safety score to compare is 181 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.
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.