annual fee for Eurotunnel offer is Euro 6, falling to Euro 3 from year 2; monthly use fee of Euro 5 subject to Euro 10 max per year.
Annual fee for the above is Euro 16, with monthly use fee of Euro 1.6 with no limit.
Eurotunnel offer works better for me.
Addendum:-
Just finished two European trips totalling 4,000 miles, and have received my first two ATMB bills.
Don't know if there's been an error, but the only charges imposed have been for the actual tolls. Nothing for the tag - no annual fee nor any 'deposit', or monthly use fee for the tag.
As mentioned buy someone in an earlier post, when approaching the 'T' bay, the tag was held in the recommended windscreen location by my wife, to avoid the necessity of sticking it to the screen, and it worked a treat.
It permitted me to get in front of speed merchants who had earlier overtaken, but were stuck in the queues for the non tag tolls. It must cause them some vexation. :bannana:
As an aside, my 212 was totally without problem, never skipped a beat, and the 265 bhp engine was easily capable of out performing or matching most of the other cars I encountered. I've started to run on Shell V Nitro+ or BP Ultimate and the engine was virtually silent at all speeds. The Switzerland, Italy, Austria run (2627 miles), almost entirely motorway as upon the arrival the car was left at the hotel and we used public transport, returned 49.6 MPG, and for the French run (1363 miles), where there was an equal amount of motorway and town driving, including a long jam on the M25, another for the Dartford Crossing, and two horrendous navigations of the Péripherique, returned 47.6 mpg.