Renault Modus shifts up a gear with new robotic 'Quickshift5’ gearbox

Renault Modus shifts up a gear with new robotic 'Quickshift5’ gearbox  
Filed under:
Minivans/MPVs, Technology, Renault
on 04/07/2006

Source: Renault

Renault already offers one of the widest ranges of engines and transmissions in the small car sector with its Modus range. Now, customers will be even more spoilt for choice with the arrival of a new ‘Quickshift5’ robotic gearbox. Coupled to the award-winning 1.5-litre dCi 86 engine, the system blends the performance and economy of a manual gearbox with the ease of use of an automatic transmission.

Even better news is that each version costs only £500 more than the equivalent manual and half the normal automatic transmission price.

Unlike conventional automatic transmissions, the Quickshift5 version has exactly the same official fuel consumption and CO2 figures as the manual (62.8mpg combined), meaning it remains in the super-low VED Band B category with CO2 emissions of only 119 g/km, so road fund licence is only £50 per year.

In recent months, Modus has already been voted Diesel Car magazine’s ‘Best Supermini’ and Test Drive’s Readers’ Choice and Compact MPV winner, so the Quickshift5 version is sure to enhance the appeal of Renault’s mini-MPV diesel range even further. Prices for the Modus dCi 86 Quickshift5 versions start at £12,200 for the Expression, rising to £15,100 for the Initiale.

Quickshift5 – easy on you, easy on your pocket

The Quickshift5 system is a manual gearbox with five forward gears and a robotised clutch operated electronically, thereby combining the performance and operating economy of a manual gearbox, with the ease of use of an automatic transmission.

Allied to the frugal dCi 86 engine, the Quickshift system operates without a torque converter and therefore does not suffer the detrimental effect on fuel consumption which so often afflicts traditional automatics. In addition, as the gearbox is always in the correct gear in automatic mode, it offers instant responsiveness and excellent economy, with up to 62.8mpg on a combined cycle – the same as the equivalent manual version.

Two modes of operation to suit driver mood

Quickshift5 drivers benefit from the choice of two driving modes according to their mood, needs and prevailing traffic conditions: automatic gear changes for city driving or long-distance comfort, or semi-automatic changes when they wish to take control.

In both modes, the Quickshift5 software interacts with the engine management computer to control the speed and torque of the engine to ensure that the shift is as smooth as possible. The software also permits the system to recognise and adapt to individual driving styles.

Click to enlarge

Automatic mode

In this mode, the Quickshift5 system changes between the five gears, taking into account various factors, including the vehicle speed, rate of acceleration or deceleration, load, road gradient and driving style. The optimum gear for these conditions is then selected, ensuring that the driver always benefits from the maximum responsiveness from the car as well as optimised fuel economy.

Semi-automatic mode

The driver can change gear at will in semi-automatic mode by merely pushing the gearlever forward to change up or pulling it back to change down. The engine is protected against under- or over-revving, and the gearbox will only change gear as necessary if the driver does not intervene.

Whether being driven in automatic or semi-automatic mode, Quickshift5 also incorporates a ‘creep’ function where the vehicle will move at idling speed when the brakes are released. This facilitates parking manoeuvres and makes traffic queues much easier to bear.

The system features a ‘snow’ mode for moving off in slippery conditions. Selected by using a button at the base of the gearlever, this works by changing the gear shift pattern and allowing the driver to set off in a higher gear than normal, minimising wheelspin and ensuring that the driver maintains control at all times.

The new Quickshift5 system also has the following features to maximise driver comfort and minimise error and stress:

Five gear ratios in both automatic and semi-automatic modes, enabling maximum responsiveness and fuel economy at all times
Quickshift5 prevents stalling as well as under- and over-revving, improving safety and reducing the risk of damage to the car
Engine always operates in its optimum rev range, ensuring responsive yet refined driving
Auto-adaptive gear change patterns enable the gear changes to adapt to suit your driving style
Automatic style ‘kickdown’ function for easier overtaking

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