The Kia Carnival 2.9 CRDi aut. with a Lunar Lexon 640 with an actual weight of 1475 kg is in general a good match and suitable for journeys on most kinds of roads, sometimes with some limitations in the mountains.
The motor preformance of the Kia is in general more than 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 very good.
Flat roads
Towing Performance
191
204
Mountains
Risk of snaking
166
210
Weight ratio: 61% (66% of kerbweight)
1475 kg
2430 kg
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Kia Carnival 2.9 CRDi aut. Lunar Lexon 640
Actual Weights
Lunar Lexon 640: 1475 kg.
Kia Carnival 2.9 CRDi aut.: 2430 kg.
Noseweight: 80 kg.
Actual weight ratio: 61%.
Performance
The engine's performance is generally fairly good on flat roads (performance score to compare 191 points).
Speeds of 71 mph (115 km/h) to 78 mph (125 km/h) are often quite possible.
There is more than enough power at low engine speeds (score to compare 204 points).
Slightly higher revs (1700 rpm) may be necessary under normal conditions on flat roads.
Acceleration from 0-62 mph (0-100 km/h) is theoretically possible in 28.6 sec.
In the mountains the performance is generally fairly good (score to compare 166 points).
No problems are to be expected on steep mountain roads but the performance is not that great. Hill starts are possible on steep slopes from 11% to 12%.
On motorway inclines higher revs (3300 rpm) are needed.
A speed of 56 mph (90 km/h) is usually possible on most motorway inclines.
Weight
The towing limit of the Kia is more than sufficient (check this in your vehicle documents).
If you passed your driving test after 1 January 1997, you will need a B+E driving license.
Weight ratio between the laden caravan and the loaded car is 61%. Common in the UK: the weight ratio between the laden caravan and the kerbweight of the car is 66%.
The chance of snaking is small even at higher speeds.
Recommended noseweight is 80 kg.
Stability and safety score to compare is 210 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 more than sufficient.
Safe driving is possible.
It's a good match, sometimes with some limitations in the mountains.
Influence of User Payload on stability
Weight distribution and noseweight are vital in obtaining a stable caravan.