They're on roads. The ground is muddy. Pop the leader with a Javelin. Pop a couple more vehicles that try to get around it. Presto, instant traffic jam and

They're on roads. The ground is muddy. Pop the leader with a Javelin. Pop a couple more vehicles that try to get around it. Presto, instant traffic jam and the Russians have repeatedly shown they clump up in traffic jams. Now you hit the vehicles in the rear, you're not likely to need sophisticated weapons to do that. Now you have a huge mess that you can rain mortar fire on. Finland did a lower-tech version of it to them long ago with trees rather than mud as the barrier.