2017 Audi SQ7
We’re fans of the all-new Q7, as evidenced by its comparison-test victory against the Volvo XC90, BMW X5, and Range Rover Sport. For now, the regular Q7 offers only a supercharged 3.0-liter V-6 with 333 horsepower and 325 lb-ft of torque. While that engine is strong and refined, the SQ7 TDI looks to build on the Q7 experience with stupefying levels of speed and efficiency. The SQ7’s 4.0-liter diesel V-8 makes 435 horsepower and 664 lb-ft of torque between 1000 and 3250 rpm by employing two turbochargers as well as, for the first time ever in a production car, an electric supercharger. Audi demonstrated this setup on an RS5 TDI prototype we drove in 2014, and the long-awaited promise of turbocharged engines with zero lag may finally be here. Unlike a conventional supercharger, which is powered via a pulley attached to the crankshaft, Audi’s electric unit is spooled by a 7-kW DC motor essentially taking the place of a turbocharger’s turbine. The motor is connected to the compressor via a shaft, and it’s neither exhaust-driven like a turbocharger nor crank-driven like a supercharger. It can spin up to 70,000 rpm in less than a quarter of a second. This kind of power draw would be too taxing to a traditional 12-volt system, so the SQ7 TDI also is fitted with a 48-volt lithium-ion battery under the cargo floor that can output up to 13 kilowatts of electrical power at a moment’s notice. Audi connects the 48-volt subsystem to the standard 12-volt system (which uses a conventional lead-acid battery) via a DC-DC converter and a 3-kW generator. Here, as opposed to diodes converting AC to DC current, a metal-oxide semiconductor field-effect transistor (or MOSFET, same as the semiconductors working wonders on your computer’s motherboard) handles the job with greater efficiency. The 48-volt battery also reduces the 12-volt system’s load at varying times.
2018 Audi SQ7
2018 Audi SQ7 TDI, The Best in Class Diesel SUV: When people get bored to drive with their mid-size sedan, I think it is better to upgrade their vehicle by choosing SUV for better experience. The 2018 Audi SQ7 TDI will come out two years from now, or at least at the end of 2017. The price is not as much as other competitors; Mercedes AMG and BMW M Sport that comes with peak rate, it is approximately above $ 70,000 but no more than $ 150,000 for the base model. It is definitely worth to wait if you want to change your stiff sedan and search for family hauler. 2018 Audi SQ7 TDI will be your perfect ride since it offers abundant of new features. Of course, as a family car, SQ7 TDI provides full of airbags as a part of the safety prevention. Plus, Audi wants to ensure that all the owners around the world feel secure wherever they are by installing new anti-theft technology inside this car. Regardless of the performance, all of them are what makes this SUV matters. We couldn’t mention each feature but we promise to update it as soon as possible. Engine and Performance: Some expert claims that this one is the most powerful of all diesel SUVs in the market when that day has come. 2018 Audi SQ7 TDI is a high-performance SUV that will come out with 4.0-litre V-8 engine with Turbo Diesel Injection system to boost more power without sacrificing the fuel economy. Wait until the motor squeeze power because you will be fascinated by 435 horsepower and 665 lb –ft of torque. The most interesting part about this SUV is how the Turbo Diesel works. At first, it squeezes maximum power to reach 1,000 rpm. And when the engine’s speed achieved, the second turbocharger starts to boost powered by 48 Volt electrical compressor. It’s not surprising that some experts call it as hybrid diesel SUV which is the future of this segment. This SUV comes out with all-wheel drive system that mated with 8 speed automated transmission for seamless driving experience. The peak speed has not unveiled but European Driving rating put 7.2 km per gallon as the gas mileage in the city and 7.6 km combined. Let’s just wait for the EPA-rating published next year.
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