JAGUAR HAS UPDATED THE XJ FOR the 2018 model year. I know, that’s probably not the most exciting thing you’ve read this week, today, or even in the past hour – unless you run a limo firm or, typically, you’re of advancing age and have owned big Jags for years. Sadly, big saloons just aren’t big business in Europe, apart from the Mercedes S-class, and the current, ageing X351-generation Jaguar hasn’t been able to reverse that declining market trend. Nevertheless, these reworked XJs gain the latest infotainment systems (much improved in 10-inch ‘Touch Pro’ form) and other minor updates to keep them fresh.
And then there’s this car, the new range-topping XJR575, which is equipped with a 567bhp (575 PS, hence the name) supercharged V8 and a subtly more muscled…