The Renault Scenic RX4 1.9 dCi with a Lunar Zenith 6 with an actual weight of 1260 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 Renault 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
171
138
Mountains
Risk of snaking
143
183
Weight ratio: 71% (79% of kerbweight)
1260 kg
1785 kg
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Renault Scenic RX4 1.9 dCi Lunar Zenith 6
Actual Weights
Lunar Zenith 6: 1260 kg.
Renault Scenic RX4 1.9 dCi: 1785 kg.
Noseweight: 75 kg.
Actual weight ratio: 71%.
Performance
The engine's performance is generally fairly good on flat roads (performance score to compare 171 points).
Speeds of 67 mph (108 km/h) to 73 mph (118 km/h) are often quite possible.
There is only moderate power at low engine speeds (score to compare 138 points).
Slightly higher revs (2100 rpm) may be necessary under normal conditions on flat roads.
Acceleration from 0-62 mph (0-100 km/h) is theoretically possible in 29.5 sec.
In the mountains the performance is generally sufficient (score to compare 143 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 up to 10%, but do require some experience from the driver.
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 maximum train weight is exceeded by 95 kg (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 79%.
The chance of snaking is relatively small at normal speed, if the caravan is well loaded.
Recommended noseweight is 75 kg.
Safe speed up to 62 mph (100 km/h).
Stability and safety score to compare is 183 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 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.