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Jaguar F-Pace V6 reminds us why we love supercharged engines

There are many things we like about our 2018 Jaguar F-Pace long-term car, as well as some things we don't care for, but easily one of the best things about it is the engine. Under the hood is the 380-horsepower supercharged V6 that Jaguar offers on other models. That amount of power would be fun in just about any car with any engine, but there are specific reasons why this particular engine is special, and it's because of that supercharger. Supercharged engines have a very different character than increasingly common turbo engines. One of the most noticeable differences being engine response. Unlike turbo engines, the F-Pace's V6 feels hardwired to your foot. Every extra millimeter of pedal travel yields a slightly greater amount of tug. And the tug is felt immediately. Even the best turbo engines have a hard time recreating this response. The power band is very linear, as well, so you know exactly what you're getting every time you hit the gas. The engine is wonderfully torquey, too. Because the Jaguar's engine uses a classic Roots-type blower, there's a major improvement in low-end torque. This means that our F-Pace has loads of grunt for punting around at low-rpm and can seriously move when tromping on the gas. And because of the near-instant throttle response and linear power band, it doesn't slam you in the back unexpectedly like some turbo engines do. Despite how great these supercharged engines are to experience, we're concerned that supercharged engines like this may disappear in all but ultra-limited production, high-performance cars such as the Chevy Corvette Z06 and Cadillac CTS-V. The reason being that car companies have to keep making cars more fuel efficient and lower emitting. Putting a supercharger on an engine is adding a handicap, since it takes engine power to spin the belt-driven supercharger. And when a turbo, which uses wasted energy from exhaust gas to spin the compressor and built boost, can effectively do the same thing, it's hard to make a case for a supercharger. We won't give up hope completely, though. Mazda is using superchargers on its spark-assisted compression ignition gasoline engines. And while we're not sure how powerful and sporty those will be, Mazda has said that it's going with superchargers for exactly the reasons we like the Jaguar engine: smooth power and fast throttle response.

Jaguar XJ50 Road Trip Review | Driving the XJ50's history

PARIS, France – It's motor show week in Paris, and Jaguar – which launched the original XJ here in 1968 – is indulging in a little nostalgia to celebrate the 50th anniversary that event. In the half century since, it's become the brand's definitive model – as the Wrangler is to Jeep and the 911 is to Porsche. This sexy, curvaceous and unashamedly sporty sedan set the template for generations of XJs. And to get to the show, I'm going to drive examples of each on a roadtrip from Jaguar's home in Coventry and onward to Paris, via Goodwood and Le Mans. There's new product to enjoy along the way, too, in the shape of the celebratory XJ50 trim level created to mark the anniversary. But this is really a chance to explore Jaguar's past, and how previous XJs will inform the company's future. Respecting traditions without being chained to them is a recurring theme in the XJ story and one Jaguar has, at times, struggled with. Nobody understands this better than design boss Ian Callum, who says the original XJ inspired his dream to one day design cars for Jaguar. When his moment came, however, the opposing pressures of nostalgia and innovation became apparent. He recalls seeing the clay models for the circa 2002 XJ, code named X350, styling for which had already been signed off when he started. "I asked 'this is the new one?' because, to me, it looked just like the old version," he says with characteristic bluntness. Callum's chance to truly reinvent the XJ finally came in 2009 with the current model, a car that jolted Jaguar and its customers out of their comfortable slumber. "It's nearly 10 years old now but I still think it looks good – I'm very proud of what we did with that car," he says. Professionally Callum is always looking ahead. Personally he's happy to indulge himself in what came before. He even brought his own XJC – the rare coupe version of the 70s XJ – to drive on the event. Sadly, the XJC didn't make it off the start line in England, but he's clearly enjoying the chance to immerse himself in XJ history. As am I. Given his appraisal of its retro looks, it's interesting to start in the X350. Here you encounter those aforementioned opposing forces: the forward-thinking aluminum construction (which inspired manufacturing techniques used by Jaguar to this day) and the staid styling. Like many of the heritage fleet examples here, this one is actually badged as a Daimler – to Jaguar what Maybach is to Mercedes.

Junkyard Gem: 1973 Jaguar XJ6

It requires a certain high level of commitment to keep an old Jaguar on the road, and so plenty of first-generation Jaguar XJs end up as projects that never get finished, sitting in yards or garages for decades before winding up in the nearest U-Wrench yard. As I clomp through car graveyards around the country in search of interesting machinery, I see so many 1980s XJs that I don't bother to photograph many of them … but a genuine Series I early Jag is a different story. Here's a '73 XJ6 whose final parking space (prior to facing the cold steel jaws of The Crusher) sits right next to that of a same-year Mercedes-Benz 450SLC in an East Bay yard. How the mighty have fallen! The C107 was too picked-over to be worth photographing, but you can admire the photos of this much nicer '72 I found in Denver a few years back. Unlike the last Series 1 XJ6 that I've photographed (in the very same yard, albeit 13 years ago), this car has not had its original straight-six engine replaced by a small-block Chevrolet V8 (because Jaguar parts were expensive and Chevy parts were cheap during the 1970s, that swap happened frequently). The US-market XJ6 got 150 horsepower from this smooth-running DOHC six, 40 fewer horses than the (far more expensive) 450SLC that year. The interior looks ravaged by the decades, but you can still discern the opulence that once reigned in this wood-and-leather-lined space. The dash boasts a full complement of authentic Smiths gauges, with a tasteful Kienzle clock right in the middle. Here's why we can assume that fewer than two of those instruments functioned at any given time during the life of this car: wiring by The Prince of Darkness! Working on electrical faults in these cars built up your patience while undermining your faith in symptom-to-problem relationships. The six-digit odometer ensures that we'll never know if we're looking at a 56,819-mile car or a 356,819-mile car. I'd guess 156,819 if I had to, based on pedal wear. These cars were very popular in the Bay Area, which has been full of European-car aficionados since the first Renault AXs sputtered off the docks of the San Francisco waterfront. Back in the 1970s and 1980s, you'd never see an old XJ without one of these pre-EU "GB" stickers on the back. The faded condition of this one suggests decades of sitting in the sun, probably while the car sat dead in the driveway due to electrical problems.