2001 Jaguar Xj8 Vaden Plas, on 2040-cars

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Jaguar Classic's 3.8-liter engine block costs nearly as much as a new Jetta

Jaguar is helping collectors restore its vintage models by resuming production of the 3.8-liter six-cylinder engine block it built between 1958 and 1968. Called XK, the straight-six originally powered half a dozen models (including the famous E-Type), and its modern recreation costs nearly as much as a new compact sedan. Wearing part number C22250, the cast-iron block is built to the original's specifications by Jaguar's Classic division, and it comes with a 12-month warranty. Sourcing a used block would likely be markedly cheaper than ordering a new one from the factory, but enthusiasts who value originality above all will appreciate the fact that it comes certificate of authenticity. Customers who send the company proof of vehicle ownership can even retain the serial number from the engine they're pulling out, though an asterisk will identify it as a replacement. Jaguar built the XK engine for several decades, but the 3.8-liter variant only remained in production for 10 years. It powered cars like the surprisingly quick XK 150 roadster, the stately Mark IX and early examples of the E-Type, though its displacement grew to 4.2 liters in 1964. As of this writing, only the 3.8-liter XK is available new. If the E-Type you're painstakingly restoring deserves nothing less than the best, or if you think a 3.8-liter block makes an awesome coffee table, you'll need to send Jaguar a check for GBP14,340 including taxes, a sum that represents approximately $17,800 at the current conversion rate. Enthusiasts will also need to source pistons, connecting rods, a crankshaft and a complete cylinder head, among many other parts, so the cost of a full rebuild will lie well beyond the $20,000 threshold. For context, Volkswagen charges $18,895 for an entry-level Jetta. Related Video:

Jay Leno hits the road in a 1951 Jaguar XK 120 Hot Rod

The 1951 Jaguar XK120 featured in this episode of Jay Leno's Garage might look vaguely like a classic Jag roadster at first, but underneath this cat is something completely different. It was built by Leno's buddy Jason Len of XK's Unlimited when he grew tired of keeping these convertibles stock, and this aluminum-bodied beast was the result. Practically the only major Jaguar part left is the engine. It's a tuned 3.8-liter inline six from an E-Type with Weber carbs that makes an estimated 300 horsepower out of some gorgeous side-exit exhausts. The mill is backed up to a BorgWarner five-speed manual. However, the big surprise is the chassis. In place of Jag's original solution, Len has a custom tubular space frame that he claims sheds some 1,000 pounds over the stock example. There are still some classic Jaguar touches left, though, such as the fin over the driver's head that is reminiscent of the D-Type, and both the wheels and gauges are replicas based on that classic racer. Of course the best part is watching Jay drive this Jag hot rod. This big cat really knows how to purr.

2021 Jaguar I-Pace updates include better infotainment, faster charging

Jaguar grabbed an armful of features from the JLR corporate store to improve the 2021 I-Pace, including bits from Land Rover and more technology from the brand's Formula E campaign. Restrained exterior mods start with Atlas Grey tips on the grille mesh, three new color choices in Caldera Red, Portofino Blue, and Eiger Grey, new wheel designs, and 19-inch wheels replacing the 18-inchers on the base-model S. An optional Bright Pack affixes a chrome grille surround, satin chrome window surrounds, and splashes of Atlas Grey on the mirror caps and rear diffuser. The optional Black Pack claims more real estate, painting the rear badges in gloss black. A 3D surround camera system is standard for 2021. Even more ease for drivers comes with the ClearSight digital rear-view mirror that debuted on the latest Range Rover Evoque. A rear-facing, wide-angle camera mounted in the infotainment system's roof antenna can sends images to the inside mirror with the flick of a toggle.  The biggest convenience addition is the Pivi Pro infotainment system that arrived with the new Land Rover Defender, replacing the Touch Pro Duo unit. A 12.3-inch digital gauge cluster pairs with the carryover 10-inch upper and five-inch lower instrument panel screens. Intended to reproduce the smartphone experience on larger screens, a backup battery gets the navigation initialized quickly, and zooming needs no more than a finger pinch. The "flat" menu structure puts oft-used functions on the home screen, and cuts in half the steps required to input a destination compared to the Touch Pro Duo. Android Auto and Apple CarPlay come standard, as does 4G data enabling live traffic, in-unit Spotify and other listening apps, and swift over-the-air updates. Wireless phone charging with signal boost is optional. On top of Pivi's algorithms to learn the best routing and stay quiet during parts of a route that the I-Pace travels regularly (why don't more systems do this?), the 4G support means continuously updated info on EV chargers along the route. Which brings us to hardware and software changes in the powertrain, courtesy of Formula E. Its 394 horsepower and 234 miles of range are unchanged, but the ease of getting that range does. Instead of the 7-kW, two-phase onboard charger, the 2021 I-Pace packs an 11-kW, three-phase charger. Plugged into an 11-kW wall box charger, range grows by 33 miles every hour, compared to 22 miles every hour with the 7-kW system.