supercarzz

  The outgoing car's aluminium pistons, for example, have been swapped for lighter forged steel items that are claimed to reduce heat loss and "ensure combustion is faster and more efficient" with the aid of newly introduced stepped recesses. Additionally, the fuel injectors are said to operate with greater precision and a shortened air intake for the intercooler helps the turbocharger to build boost more quickly.  Power output is slightly down, at 336bhp, compared with the current car's 342bhp, but Audi claims the 516lb ft of torque is available across a wider rev range - 1750rpm to 3250rpm - and peak power arrives earlier than before. The SQ5 can still dispatch the 0-62mph sprint in 5.1sec and achieve an electronically limited top speed of 155mph.  As for the 48V mild hybrid system, tweaks to the electrically powered compressor - which drives the turbocharger when exhaust gas flow is too low - mean the turbo's performance is more noticeable at low speeds and dur...