The French manufacturer has developed a new engine and transmission for the Peugeot 308. The new engine is a 1.6-litre Euro 5 compliant turbo-charged petrol while the new AT6 gearbox is a six-speed automatic designed by Aisin AW.
The Peugeot 308 CC THP 156 packs 156 BHP and takes 9.8 seconds to accelerate from 0 to 62 mph, which is 2.6 seconds faster than old version (THP 140). The AT6 transmission weights less and is more compact with a more efficient torque converter that reduces friction.
In a combined cycle the Peugeot 308 CC 1.6 litre Turbo does 36.6 mpg with CO2 emissions of 179g/Km so overall the car offers more power with while being more efficient.
The Peugeot 308 CC THP 156 price for UK’s market starts at 23,595 GBP.
Peugeot press release :
The Peugeot 308 CC now has extra six appeal with the introduction of a new 1.6 litre 156 bhp Euro 5 THP turbo-charged petrol engine and a new 6-speed automatic gearbox.
Positioned as the flagship of the 308 CC petrol range the new 308 CC THP 156 automatic sees the introduction of a new “AT6” 6-speed automatic gearbox, further strengthening the vehicle’s image as a distinctive and dynamic vehicle.
The new “AT6” automatic gearbox has been developed by “Aisin AW” to specifications defined by the PSA Peugeot Citroën group. Close in engineering terms to the “AM6” (fitted to the group’s most powerful HDi diesel engines – V6 HDi, 2.2 litre and 2.0 litre HDi), this new gearbox is designed to withstand a maximum torque of 300 Nm (450 Nm for the AM6).
Lighter and even more compact than the AM6, the AT6 has been designed to reduce the vehicle’s fuel consumption and CO2 emissions, (around 7% less than the previous model). It also benefits from a more efficient torque converter and a significant reduction in internal friction losses.
Particular attention has also been paid to the quality and speed of the gear changes in terms of smoothness, synchronisation and responsiveness.
The chosen gearbox gear ratios ensure good responsiveness when pulling away, excellent continuity when accelerating thanks to the smoothness of the gear changes and an all-round ease of use linked to optimisation of the engine’s torque range, which is particularly generous in this respect. The gearbox control system management of all the six gears optimises fuel consumption as the user is able to drive more often at low engine speeds, while the high ratio sixth gear optimises fuel consumption and engine noise levels on motorways.
Two driving modes are possible: automatic, for quiet, stress-free driving which adapts to the user’s driving style, and a more active mode thanks to the sequential selection control.
This new automatic model will be available in SE and GT trim levels, unlike the current THP 140 automatic model which was only available in SE trim level.


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Old THP 140 Automatic New THP 156 Automatic
Engine    
Cubic Capacity 1,598 cc 1,598 cc
Maximum power 140 bhp @ 5,800 rpm 156 bhp @ 5,800 rpm
Maximum Torque 180 Nm @ 1,400 rpm 240 Nm @ 1,400 rpm
Gearbox    
Type 4 Speed Auto Adaptive Automatic with
Tiptronic System Porsche
6 Speed Auto Adaptive Automatic with
Tiptronic System Porsche
Performance    
Maximum speed 127 mph 131 mph
Acceleration    
0-62 mph 12.4 s 9.8 s
0-1000 m 33.5 s 31.0 s
Fuel Consumption    
Urban 23.9 mpg 26.4 mpg
Extra urban 47.0 mpg 48.7 mpg
Combined 34.8 mpg 36.6 mpg
CO2 Emissions 192 g/km 179 g/km
Source: Peugeot