The Kia Carnival 2.9 CRDi with a Lunar Delta 640-EW TA with an actual weight of 1640 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 good.
Flat roads
Towing Performance
199
199
Mountains
Risk of snaking
176
181
Weight ratio: 68% (74% of kerbweight)
1640 kg
2420 kg
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Kia Carnival 2.9 CRDi Lunar Delta 640-EW TA
Actual Weights
Lunar Delta 640-EW TA: 1640 kg.
Kia Carnival 2.9 CRDi: 2420 kg.
Noseweight: 90 kg.
Actual weight ratio: 68%.
Performance
The engine's performance is generally fairly good on flat roads (performance score to compare 199 points).
Speeds of 73 mph (117 km/h) to 79 mph (127 km/h) are often quite possible.
There is sufficient power at low engine speeds (score to compare 199 points).
Slightly higher revs (1800 rpm) may be necessary under normal conditions on flat roads.
Acceleration from 0-62 mph (0-100 km/h) is theoretically possible in 27.6 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 12%, but do require some experience from the driver.
On motorway inclines higher revs (3500 rpm) are needed.
A speed of 57 mph (92 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 68%. Common in the UK: the weight ratio between the laden caravan and the kerbweight of the car is 74%.
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 80 - 90 kg.
Towball limit is 75 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 more than sufficient.
If the caravan is well loaded 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.