Dave I don't dispute your figures for one moment but I am saying that I think you are in a minority. We've had many a thread about mpg from the 4.2 and getting 30 from one is unicorn territory. I don't think that the factory brochure even claimed that. Describing the economy of an 80 as great is a bit of a stretch or most of us
I know of people in an std 80 who have actually hit even more than that but it's not the norm, trust me. Even the 120 series 3.0 struggles to do more than 28.
Great thing about the 80 is that it does also have a bottom ceiling too. You are pretty much guaranteed not to get less than ... sort of thing. I towed my Metalian trailer around the Baltic and through the Pyranees and the Alps and still got 17 mpg. That made the set up well over 4 tonnes.
But let's not get side tracked here. Petrol engined 80's are still more viable than people might think.
I know of people in an std 80 who have actually hit even more than that but it's not the norm, trust me. Even the 120 series 3.0 struggles to do more than 28.
Great thing about the 80 is that it does also have a bottom ceiling too. You are pretty much guaranteed not to get less than ... sort of thing. I towed my Metalian trailer around the Baltic and through the Pyranees and the Alps and still got 17 mpg. That made the set up well over 4 tonnes.
But let's not get side tracked here. Petrol engined 80's are still more viable than people might think.