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To save you the math, that's an average of about 43,000 miles per year, or about 117 miles per day, every day, for 18 years. Blackwell logs a lot of highway trips to Georgia and southern Florida for work.
But are these updates enough to keep what is, in effect, an eight-year-old car competitive in an increasingly competitive market?
Ian added: “Some of the technology on board – like wireless phone charging – is quite impressive for the money and this class of car. I like the LED lights as well, as they help to create a clear brand identity for SEAT.”
"It was just elementary," Miller said of the many accounting and finance controls he helped implement through the years. "It was like shooting fish in a barrel."
For each fault, we asked the owner to identify time spent off the road using categories ranging from less than one day to more than a week. We also asked them to tell us how much the repairs cost, from being fixed under warranty for free to more than £1500. This information was weighted according to the severity of the fault; those that cost the most and kept the car off the road the longest were penalised most.
Being Competizione spec means that 1451 GT is one of only eight, aluminium bodied 250 GT LWB California Spiders. Under the bonnet, the 3-litre Tipo 128F engine produces 263bhp at 7,300rpm, and has triple DCL6 carburettors connected to a competition-spec fuel tank, which aims to keep this italian horse prancing at full chat for as long as possible.
"If any car deserves to be in a museum, it's this one," Blackwell says, "for the miles it's gone and the things it's done for me."