What's the potential structural damage to a car from being hit by a farm trailer?

What is the potential structural damage from being hit at 45 degrees on the offside front wheel of a small SUV by a 3.5 tonne farm trailer? The car was pushed against a roadside earth bank with great force...

My MG 1100 has cracked underneath and come away from the body. Can it be repaired?

My 1968 MG 1100 has cracked underneath and come away from the body. Can it be repaired? It is made of what looks like a hard cardboard. Could I buy a replacement? The only metal under the car is the exhaust...