Look at the formula of the S-cars nowadays. Audi’s days of high-strung turbos in S-cars may be past at this point, and some may lament that fact. However, the current mix of S models remain strong GT offerings in each respective class. Drop a large displacement engine in a smaller car, add sport kit like wheels, suspension and seats and the result is what we all lust for at the Audi dealer or on the show stand.
Why couldn’t this be the same for diesel motors? Think of the S4 as it is now. However, drop Audi’s new chain-driven 4.2 TDI under the hood and badge it the ‘DS4’. The car would look and handle like the current S4, and we know by seeing the performance of the A8 4.2 TDI that performance wouldn’t be far off of the petrol S version. Even better, the larger and heavier A8 4.2 TDI gets 30 mpg, well above the S4’s North American rating of 21 mpg.
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