The Alfa Romeo 156 Sportwagon 1.9 JTD with a Trigano Rubis 310 with an actual weight of 815 kg is in general a good match and suitable for all journeys on all kinds of roads.
The motor preformance of the Alfa Romeo is in general very good. And also the weight of the Trigano 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
268
326
Mountains
Risk of snaking
310
275
Weight ratio: 51% (58% of kerbweight)
815 kg
1605 kg
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The engine's performance is generally very good on flat roads (performance score to compare 268 points).
Speeds of 83 mph (134 km/h) to 88 mph (142 km/h) are often quite possible.
There is a lot of power at low engine speeds (score to compare 326 points).
Higher revs (1600 rpm) are usually not necessary on flat roads, under most circumstances.
Acceleration from 0-62 mph (0-100 km/h) is theoretically possible in 16.7 sec.
In the mountains the performance is generally very good (score to compare 310 points).
No problems are to be expected on steep mountain roads. Hill starts are possible on steep slopes up to 19%.
On motorway inclines hardly any higher revs are needed.
A speed of 72 mph (116 km/h) is usually possible on most motorway inclines.
Weight
The towing limit of the Alfa Romeo is more than sufficient (check this in your vehicle documents).
The car is too heavily loaded.
Weight ratio between the laden caravan and the loaded car is 51%. Common in the UK: the weight ratio between the laden caravan and the kerbweight of the car is 58%.
The chance of snaking is small even at higher speeds.
Recommended noseweight is 60 kg.
Stability and safety score to compare is 275 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 very good.
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.