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Mazda G-Vectoring Control makes driving better without you knowing

Mazda has just spent eight years developing a new technology that will make its new cars a lot more fun to drive, even if you have absolutely no idea that it's working. And subtlety's the point, Mazda engineers told us at a press event at Mazda Raceway Laguna Seca. In fact, the effects of what they've dubbed G-Vectoring Control are so fine that the marketing and PR teams are at a loss for how to do their jobs with it. "The engineers have done their work," said Mazda Director of Communications Jeremy Barnes, "But how do we get the message across?" The basic premise is this: G-Vectoring activates only when the car's on-board computer reads simultaneous steering and throttle input. The data — including throttle position, steering angle, and, crucially, how quickly you're adjusting the steering angle — are then funneled through an algorithm to reduce engine torque, which transfers vehicle weight, adding more grip to the wheels that need it. The system will appear first on 2017 Mazda6 sedans arriving in showrooms later this year, followed by the 2017 Mazda3. Actually, "subtle" does not even begin to describe the effect. G-Vectoring Control can detect as much as one tenth of one degree of steering angle, and changes the cornering forces only 0.1 to 0.5 g as a result. "That's less than the human body can feel," explained Vehicle Development Engineer Dave Coleman. In practice, G-Vectoring reduces the steering angle at turn-in, as well as the rate at which one turns the wheel. To demonstrate, Director of R&D Kelvin Hiraishi rode shotgun with us in a specially equipped Mazda6 that allowed him to turn G-Vectoring on or off at the push of a button (production cars will always have it on). Hiraishi had us drive a number of courses, including Mazda Raceway Laguna Seca itself, while an engineer measured our steering inputs with a laptop Matrix'd into the car's electronic brain. I drove the same course several times with the same car in the same conditions, with cruise control locked and the system turned on or off. Lo and behold, with G-Vectoring activated, the engineer's output graph showed that my steering inputs were indeed reduced ever so slightly. There were two times that G-Vectoring was markedly noticeable. The first on a turn with a minor banking toward the outside, and the second was during cornering over an artificially wet section of the course — in other words, when the car was at the limits of adhesion.

Bauer Catfish is a Miata-based trackstar in the making [w/videos]

We're not trying to make a joke here. The creation you see above really is called the Bauer Catfish, and while the name is about as attractive as your average bottom feeder, the car itself is built on a sexy notion. Take the mechanical bits of one 1990-2005 Mazda MX-5 Miata, add in a tube chassis for as little weight as possible, complete with some custom body work and go forth. Bauer says the finished product weighs in at just 1,550 pounds, and the company will be happy to pull the stock four-cylinder to drop in a healthy General Motors LS V8.
The pre-production prototype shown above competed in last year's 25 Hours of Thunderhill, finished the race and earned a spot on the podium in the "anything goes for sports racers" ESR class. Very cool.
If you're looking for a dedicated track car, it may not get any better than this for the money. Expect to pay around $13,900 depending on options, plus the cost of your donor Miata. That's a good sight cheaper than a used Chevy Corvette Z06 and likely to be quite a bit more fun. After you're done watching it in action in the brief videos below, check it out over at Bauer Ltd.

2017 Fiat 124 Spider priced below most Miatas

The Fiat 124 Spider and Mazda MX-5 Miata might be siblings, but all that means is the rivalry between the two cars will be unusually intense. Pricing for the reborn 124 has been released and is added proof of that fact – aside from the very base trim, the turbocharged Italian is cheaper than its Zoom-Zoomy brother. Fiat's base model, the 124 Spider Classica, starts at $25,990. The MX-5 Sport isn't much cheaper, at $25,735. Both cars get 16-inch alloy wheels, black cloth seats, LED taillights, but the Mazda will throw in LED headlights. It's also interesting to note that the two cars have differing destination charges – $995 for the Fiat and $820 for the Mazda. Move up to the mid-range Fiat, and you'll start to see the "Italian" car eke out a pricing advantage. The Lusso, Italian for luxury, rings up at $28,490 compared to the MX-5 Grand Touring's $30,885. Yes, we're comparing the middle-tier 124 to the range-topping Mazda, because the mid-range, enthusiast-oriented Club is more analogous to the 124's Abarth model. The Lusso matches the MX-5 GT with 17-inch alloys, heated leather seats, a 7.0-inch touchscreen with navigation, and dual-zone automatic climate control. The Mazda does come with a bevy of safety features as standard – blind-spot monitoring, lane-departure warning, and automatic high-beam control – which look to be optional on the Fiat, so take that into consideration if you're thinking about buying one of the two. We enthusiasts are most interested in the matchup between the 124 Spider Abarth and the MX-5 Club. The scorpion-badged 124 starts at $29,190 and the Club at $29,420. You'll get more power – 10 additional ponies according to FCA – as well as all the performance goodies from the Club. There are Bilstein-tuned shocks, a mechanical limited-slip diff, and a front strut bar, plus a very imposing exhaust note. Recaro seats will be an optional extra, as will Brembo brakes (the MX-5 bundles them with BBS wheels). Finally, there's the 124 Spider Prima Edizione Lusso. The limited-edition wears Azzurro Italia (translation: pretty blue) paint and rings in at $35,995, which gets you a bunch of swag on top of the normal Lusso stuff. Oh, and if you choose the automatic transmission, you'll be punished with a $1,350 charge, regardless of which Fiata you go for. That's less than the premium Mazda charges for an automatic on an MX-5 Club or GT, but more than the $1,480 extra it charges for a two-pedal Sport.