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A new high-tech six speed automatic transmission has been added to the latest
Peugeot 407 HDi turbo diesel Sedan and Touring models.
The AM6 tiptronic gearbox replaces the existing four speed transmission and
is also used in the new Peugeot 407 Coupe which has just gone on sale in
Australia.
Despite the improvement to the stylish Peugeot, there are no increases in the
recommended retail price.
The 407 HDi diesel is $48,190, while the 407 HDi Touring model with the same
engine and transmission retails at $51,190.
The compact new transmission improves both performance and economy, with the
six gears exploiting the thrifty HDi diesel engine to the full.
Compared to the previous transmission, the lower first gear boosts the
performance of the Peugeot from a standstill, while fifth and sixth gears not
only reduce mechanical noise but also lowers fuel consumption, and makes
cruising even more comfortable.
The compact new automatic is controlled by an integral computer and enables
the already frugal HDi diesel engine to use even less fuel. With a city cycle of
only 10.0 litres per 100km and a highway cycle of only 5.5 litres per 100km, the
407 HDi certainly is the smart choice for those looking to save money at the
petrol station.
Three modes are offered by the transmission. In full automatic setting, the
transmission makes optimum use of engine torque. Sport mode, which is accessed
by a button, raises the change-up points to improve performance. Finally, the
sequential mode affords manual over-ride of all six gears. The Tiptronic control
allows the driver to select ratios rather than leaving the transmission to do
the changes.
The 2.0-litre DW10 BTED4 diesel employs a Garrett variable geometry
turbocharger and air to air intercooler. It produces 100 kW of power at 4,000
rpm and a generous 320 Nm of torque at only 2,000 rpm.
When the engine is under full load at between 1,500 rpm and 3,200 rpm, peak
torque can be boosted to 340 Nm at 2,000 revs, thanks to an over-boost function.
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