Evo India May  2019
Car News

Audi S5 TDI revealed with mild-hybrid V6 diesel from S6 and SQ5

Audi S5

The mid-table S performance range from Audi continues to turn in a diesel direction, with the debut of the S5 TDI following the footsteps of the SQ5, then the new S6 and S7

  • Audi S5
  • Audi S5
  • Audi S5
  • Audi S5
  • Audi S5
  • Audi S5
  • Audi S5
  • Audi S5

First it was the SQ5, then the new S6 and S7, and now Audi has fitted its new mild-hybrid V6 turbo diesel in its smallest application yet, the S5. The move heralds a return of the S5 after a brief hiatus due to WLTP emissions regulations, but this time with the brawny diesel in lieu of the previous 3-litre turbo petrol.

Read about the new Audi RS6 Avant here

What’s new in the Audi S5?

As in its other applications, the S5 TDI features a 48v mild-hybrid system that feeds both a small electric compressor and belt-driven starter motor/generator. These electrified powertrain components are then connected to a single-turbo 3-litre V6 diesel engine, together producing 344bhp, with a peak torque figure of 699Nm available between 2500rpm and 3100rpm. Although power is down 10bhp, torque grows by a substantial 199Nm (around the same as a 2.0 Mazda MX-5, no less) over the old petrol model.

As a result, the new S5 TDI will reach 100kmph in 4.8sec (the heavier Sportback manages 4.9sec), only 0.1sec slower than the previous petrol-powered S5. It will then run on to a 249kmph limited top speed. These remarkably similar performance figures also come with an estimated 20 per cent reduction in fuel consumption.

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The diesel engine is connected to an eight-speed torque converter automatic transmission and the requisite quattro all-wheel drive system. Audi’s torque-vectoring Sport Differential is on the options list, as are magnetorheological adaptive dampers and these are controlled via a new electronic chassis platform management system that coordinates all the active chassis components via one central electronic brain.

The S5 is otherwise unchanged, Audi taking the decision not to hold the new TDI powertrain back until the A5’s upcoming mid-life refresh. While the India launch is yet to be announced, the current model retails at Rs 72.41 lakh (ex-showroom, Delhi)

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