In yesterday's installment of Trans Wars we explored the benefits and downsides of
conventional automatic gearboxes, ones that feature fluid - filled torque converters.
Now, let us suppose a car that has
a conventional automatic gearbox.
The stepped CVT does a fairly good impression of
a conventional automatic gearbox, with reasonable responses and a fairly natural feel to the way the revs rise and fall, while the V6 itself is smooth and very quiet.
This new super sedan, codenamed F90, gets an upgraded, stronger version of its predecessor's powerplant but also breaks new ground at M Gmbh by becoming the first M car to have its engine coupled with all - wheel drive and
a conventional automatic gearbox.
In contrast to
a conventional automatic gearbox, the MCT transmission operates without a torque converter, using instead a compact, wet start - up clutch.
The latter is Kia's first CVT, and it promises «smooth and linear acceleration» offering a step - shift - like feel that mimics
a conventional automatic gearbox during hard acceleration.
It is mated to a 4 - speed torque converter, making it the only hatchback in its segment to offer
the conventional automatic gearbox.
It comes with six airbags that are a segment first and also comes with a dual - clutch automatic transmission while the others get either
a conventional automatic gearbox or a CVT or an AMT.
By now we all know about the fundamental differences between
a conventional automatic gearbox and a dual - clutch unit.
Not exact matches
These are as efficient as manual
gearboxes but also have the same testing advantage as a
conventional automatic.
The DSG
gearbox works extremely well, giving a decent impression of a
conventional automatic under gentle use while seamlessly swapping between its seven ratios, but offering near - instant changes when driven a bit more keenly — or when over-ridden with wither the push - pull gear selector or (optional) steering wheel paddles.
Nevermind that it weighs 1950 kg to the SL63's 1845 kg, that the V8 version uses the punchy MCT wet - clutch 7 - speed
automatic gearbox and the 65 has to make do with the more
conventional torque - converter 7G - Tronic... And don't mention that the SLS weighs 1620 kg and uses a dual - clutch transmission.
Of course, the Z4 driver is also highly likely to simply slap the lever into Drive, in which case the dual - clutch
gearbox commendably emulates the smoothness of a
conventional, torque - converter
automatic, particularly in stop - start - and - reverse maneuvering.
The Easytronic can be driven in «manual mode» simply by using the paddle shifter selector to change gears if the driver wishes to do so, or alternatively it can be driven in exactly the same way as a fully
conventional automatic — however, many Easytronic owners have complained that gear shifts in «
automatic mode» are jerky; a common complaint with semi-autos based on a
conventional manual
gearbox.
Mounted transversely behind the cabin, the aluminum block three - cylinder delivers 228 hp and 236 lb - ft of torque to the rear wheels via a six - speed
automatic gearbox and
conventional torque converter.
Dual - clutch
gearboxes seem to offer the best of all possible worlds to the modern driver: they provide the convenience and ease of a
conventional automatic plus the control and engagement of a manual, should you want it.
Gearbox choices with the gasoline model are likely to include a
conventional six - speed manual and new seven - speed dual - clutch
automatic.
Dual clutch
gearboxes can operate like a
conventional automatic, shifting through the gears seamlessly with no direct driver input, but they can also be used in «manual» mode.
The T - GDI petrol engine will be available with a new 7 - speed dual clutch transmission from Hyundai, whilst other models will make do with either a 6 - speed manual or
conventional 6 - speed
automatic gearbox.
[2][9][10] When used in the latest Golf with the 90 kilowatts (122 PS; 121 hp) engine, this new seven - speed DSG uses roughly 6 % (5.9 l / 100 km for the seven - speed DSG compared to 6.3 l / 100 km with the six - speed manual
gearbox) less fuel than the same engine with a manual transmission [9] and up to 20 % less than a
conventional automatic transmission.
The Komfort trim level offers your choice of either a six - speed manual
gearbox or a six - speed dual clutch automated manual, which functions similarly to a
conventional automatic with quicker and more efficient shifting.
It's great for fuel economy, but doesn't deliver the thrills of a manual
gearbox or even a shiftable
conventional automatic.
It is available with a
conventional six - speed
automatic gearbox in place of the standard six - speed manual.
The Panamera now uses an eight - speed, dual - clutch PDK
automatic gearbox rather than the old - fashioned
conventional type of the previous model and it's very quick - shifting for the most part.
The DCT offers up to a 17 % improvement in fuel consumption and CO2 emissions performance compared with that of a
conventional automatic transmission — i.e., performance comparable to that of a manual
gearbox.
Ford's PowerShift six - speed
automatic transmission combines the efficiency and driving dynamics of a manual
gearbox with the convenience of a
conventional automatic transmission.
As with all CVT
gearboxes, there is an awful lot of noise, without any corresponding jolt of acceleration that a
conventional manual or
automatic gearbox will offer.
The
conventional engine churns out a healthy 268 horsepower through a 6 - speed
automatic gearbox, while the hybrid system sends its 200 horsepower to the front wheels via a gearless continuously variable transmission.
You're better off either sticking with the manual or — if an
automatic gearbox is a non-negotiable for you — waiting for the 2.2 - litre diesel to arrive in 2018, as this should come with a
conventional automatic.
In terms of performance, the new
gearbox shares all of the benefits of the dual - clutch PowerShift concept, combining the efficiency, optimized gear ratios and driving enjoyment of a manual
gearbox with the smoothness and ease - of - use of a
conventional automatic.
A
conventional six - speed torque - converter
automatic comes on lower - end 2.0 - liter models, but the 1.7 - liter turbo engine is paired with a 7 - speed dual - clutch
gearbox.
This
gearbox has all the benefits of a manual transmission in that it blends sporty manners with excellent fuel economy, the latter reported to be 5 to 6 percent better than with a
conventional automatic.
We're evaluating dual - clutch
gearboxes,
conventional manuals, torque - converter
automatics and continuously variable transmissions, and most of them have been tweaked to improve both fuel economy and shift quality.
The other big change here is the
gearbox: gone is the seven - speed dual - clutch
gearbox, replaced by a
conventional eight - speed, torque - converter - based
automatic.
Both are available with six - speed manual
gearboxes, but confusingly, the
automatic options are different - the 2.0 - litre gets a
conventional six - speeder auto, and the 1.6 has a fancier seven - speed dual - clutch unit.
Unlike other
automatic Mondeos, which have a more
conventional dual - clutch
automatic gearbox, the hybrid uses a CVT unit.
In combination with its tunable launch characteristics, the dual - clutch module contributes to fuel economy comparable to single - clutch automated
gearboxes and shift quality to rival the best
conventional automatic transmissions.
A six - speed manual
gearbox is standard, but a seven - speed dual - clutch transmission can be fitted to the 1.6 - litre turbo petrol and a
conventional six - speed
automatic is available with the 2.0 - litre diesels.
A direct - shift
gearbox (German: Direkt - Schalt - Getriebe [1]-RRB-, commonly abbreviated to DSG, [2][3] is an electronically controlled dual - clutch [2] multiple - shaft manual
gearbox in a transaxle design, without a
conventional clutch pedal [4] and with fully
automatic [2] or semi-manual control.
There's no Tiptronic for the back - to - the - roots GTI, although Volkswagen will offer its
automatic direct - shift
gearbox (DSG) as well as the
conventional six - speed manual that we drove.
It gives 8 percent better fuel economy than is possible with a
conventional four - speed
automatic, and it is considerably smaller, about the size of a manual
gearbox.
The AMT
gearbox will be offered only with the diesel engine since the petrol engine has an option of a
conventional 4 - speed
automatic transmission.
Unlike the IS with its CVT
automatic gearbox, the Infiniti has a
conventional seven - speed
automatic transmission, which shifts smoothly and gives the Q50 a slightly sportier feel.
As the actuators are required only during gear changes, the Easy - R suffers far fewer energy losses than a
conventional automatic transmission, and the automaker believes that the new technology is a much better alternative to
automatic and manual
gearboxes alike.
Both versions feature an
automatic gearbox, but the one fitted to the
conventional diesel model is far smoother.
There are other reasons to splurge on the forced - induction engine — not only does it come with a quicker - shifting seven - speed dual - clutch
gearbox (the 2.0 receives a
conventional six - speed
automatic), it's also paired to a multi-link rear suspension that's fully independent.
This
gearbox operates mostly like a
conventional automatic transmission but uses a wet startup clutch instead of a torque converter for improved performance and efficiency.
Featuring an innovative start - up clutch that replaces a
conventional torque converter, the seven - speed MCT (for multi-clutch technology) transmission combines the direct connection of a manual
gearbox with the lightning - quick
automatic gear shifts of a Formula 1 race car.
Either model can be had with a six - speed manual
gearbox, while the uplevel Sport is the only model to offer an $ 1,100 seven - speed dual - clutch transmission with paddles (if you don't want to shift the base Elantra GT for yourself, you'll get a
conventional six - speed
automatic as a $ 1,000 option).
Its powertrain is essentially carried over from the
conventional Kia Niro hybrid, with a 103 - horsepower 1.6 - liter 4 - cylinder engine and 6 - speed dual - clutch
automatic - shifting
gearbox sandwiching the electric motor.