In contrast to the familiar turbo charged Audi TFSI engines, the new V6 TFSI uses supercharging to elicit even more instantaneous response coupled with excellent economy. Audi is no stranger to this alternative method of forced induction - Auto Union models bearing the four rings were employing it during the 1930s.
The new Audi A6 3.0 TFSI delivers an impressive 290PS at just under 5,000rpm, and its equally creditable 420Nm torque peak - remarkably close to the 440Nm output of the 4.2 V8 - is available from 2,500rpm through to 4,850rpm. With tiptronic automatic transmission smoothly feeding in the plentiful power, and the latest quattro system that is now either standard or optional for A6 V6 models distributing it 40% to 60% in favour of the rear wheels, the new A6 3.0 TFSI quattro powers to 62mph in just 5.9 seconds. Top speed – as is the norm for the majority of high performance Audi models - is restricted electronically to 155mph.
Equally importantly, the fact that FSI technology permits fuel injection into the combustion chamber in more precise measures than ever before guarantees outstanding economy, the 3.0 TFSI making up to 30 mpg possible according to the combined cycle test. Its 219g/km CO2 output is a 15 per cent improvement over the 3.2-litre V6 quattro model.
The latest direct injection technology is also at the heart of the new 2.0-litre, 136PS TDI engine. Optimised through the use of advanced piezo injectors, the common rail system not only contributes significantly to major improvements in performance, fuel economy and emissions, but also has a dramatic effect on running refinement.
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