The Volkswagen T4 2.5 TDI with a Lunar Quasar 525 with an actual weight of 1395 kg is a match suitable for most journeys, sometimes with some limitations.
The motor preformance of the Volkswagen is in general moderate but for your use maybe sufficient. The weight of the Lunar with a User Payload (198 kg in the caravan and 200 kg in the car including passengers), kgis good.
Flat roads
Towing Performance
136
108
Mountains
Risk of snaking
79
183
Weight ratio: 68% (76% of kerbweight)
1395 kg
2046 kg
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Volkswagen T4 2.5 TDI Lunar Quasar 525
Actual Weights
Lunar Quasar 525: 1395 kg.
Volkswagen T4 2.5 TDI: 2046 kg.
Noseweight: 75 kg.
Actual weight ratio: 68%.
Performance
The engine's performance is generally sufficient on flat roads (performance score to compare 136 points).
Speeds of 64 mph (103 km/h) to 71 mph (114 km/h) are often quite possible.
There is only moderate power at low engine speeds (score to compare 108 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 38.8 sec.
In the mountains the performance is generally (very) moderate (score to compare 79 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 9%, but do require some experience from the driver.
On motorway inclines the speed drops despite high revs.
A speed of 46 mph (74 km/h) is usually possible on most motorway inclines.
Weight
The towing limit of the Volkswagen 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 (or B96) 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 76%.
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 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 moderate but for your use maybe sufficient.
If the caravan is well loaded safe driving is possible.
It's a good match, sometimes with some limitations.
Influence of User Payload on stability
Weight distribution and noseweight are vital in obtaining a stable caravan.