There's some Diesel
engine clatter that creeps into the cabin but the NVH levels still remain impressive.
Renault has made significant improvements to the overall refinement levels and the cabin is quieter,
engine clatter at idle and noise at speed is well controlled.
But the downside of the diesel motor is that it doesn't very refined like we saw on the Amaze and
the engine clatter creeps into the cabin.
We were impressed with this engine too,
engine clatter and noise is well insulated and despite it being a three - cylinder diesel, vibration levels isn't a concern.
It has some of the typical diesel
engine clatter, but it's kept in check as well or better than just about every other full - size diesel truck on the market.
How It Drives Luxury - car owners don't want to hear typical diesel
engine clatter, feel harsh vibrations through the seat and steering wheel, or poke along the road like there's a mouse turning a wheel under the hood.
Popping sound from front wheel area sounds like the strut when turning
engine clatters as if out of oil.
Not exact matches
The fact that this
engine is a diesel is only apparent if you listen for the faint diesel
clatter with the window open, because with the cockpit windows closed, driver and passengers are comfortably insulated from any noise, vibration, or harshness coming from the outside world.
How It Drives Squeeze yourself into the driver's seat (it's not a spacious interior) and twist the ignition, and you'll be rewarded not with the diesel
clatter of a military - spec
engine, but the outrageous roar and rumble of Mercedes - Benz's naturally aspirated 5.5 - liter V - 8
engine.
There's a little more diesel
clatter coming through the cabin in the X5 than an Audi Q7 TDI, but the
engine is still far quieter than most consumers would expect from a diesel.
Apart from a pronounced cold - start diesel
clatter, the
engine is reasonably quiet, the suspension strikes a decent balance between composure and cushiness, and the cabin impresses with much - better - than - expected fit and finish.
Oil muffles the
engine, so when oil gets low the
clatter from the
engine becomes slightly louder.
The
clatter, smoky fumes and remarkable fuel economy of diesel
engines have nearly disappeared from the American car and light - truck scene, thanks, among other things, to cheaper gasoline.
These cars were known for thick dirty black smoke, loud
clattering engines, extremely poor acceleration, and exhaust emissions that could make a skunk blush.
Turn the key and the four - cylinder
engine comes to life with a typical diesel
clatter and settles into a somewhat smooth idle.
Twist the ignition and the
engine coughs to life with a reasonable amount of
clatter that's subdued within the cabin thanks to remarkable insulation.
And forget about the stereotypical diesel
clatter — thanks to extra sound insulation in the diesel model, you'll rarely hear the
engine at all.
As for trade - offs, the Td6 can still sound like a diesel
engine at light throttle and lower speeds, with more noticeable
clatter than Mercedes - Benz's diesel
engine in its GLS350d, yet overall refinement is very good.
There's also slightly more diesel
clatter from the
engine than some competitors under light throttle.
The 1.6 diesel isn't the most refined
engine around and it fires up in the Soul with a
clatter like the diesels of old and it never really smooths out on the move — although it settles down to a background hum at a cruise.
On the move the 148bhp 2.0 - litre diesel
engine does have a bit of characteristic diesel
clatter at lower speeds, but it pulls strongly from low revs and when paired with the seven - speed automatic gearbox it makes for smooth progress.
NVH levels on this
engine are good but some
clatter does filter inside the cabin.
Despite some diesel
clatter, and the $ 3000 premium over the petrol
engine, the 2.2 - litre turbo - diesel with six - speed auto is arguably the pick of the powertrains, which also includes a 110kW / 197Nm 2.0 - litre petrol
engine.
The
engine is quite refined with both roughness and the typical well - controlled diesel
clatter, but it does have a rather loud note.
The current BMW
engine lineup is already impressive as it is now so improvements like this is definitely a welcome especially if BMW can reduce the diesel
clatter in their diesel
engines.
Otherwise, the
engine produces little to no
clatter that diesel
engines are known for.
Don't be scared off by the
engine: the Cruze 2.0 TD still has a bit of diesel
clatter (
engine noise especially at low speed before the
engine is warm).
In order to get the negatives out of the way first, I must mention the fact that the
engine is not terribly refined overall and unless warmed up it really makes its presence felt inside the cabin with audible compression ignition
clatter.
Another judge described it as a «raw, roaring and characterful
engine with a bit of boxer
clatter».
Admittedly, there is a little bit of
clatter when you work it hard, but the
engine does settle down at lower revs.
Factor in low wind noise and a smooth
engine that loses its diesel
clatter when warm, and the X3 is a relaxing long - distance cruiser.
The 1.5 isn't the quietest unit, but more powerful
engines (like the punchy 2.2 - litre diesel) are available with noise cancelling technology in the speakers to cut out some of the
clatter.
The
engine sounds quite agricultural under acceleration, but some people may find its
clatter a good match for the Compass» rugged character.
Thicker windows and more soundproofing means you'll the
clatter of the diesel
engine when accelerating.
Start the Fabia and the TDI
engine comes to life with a typical
clatter.
The Good The 2011 Lexus IS 350's
engine uses a dual - injector system, with direct injection for efficiency and port injection to reduce
clatter.
The
engine also includes a Bosch ® HPCR fuel system to deliver precise fuel control and multiple injections per combustion stroke, which helps increase efficiency and reduce traditional «diesel
clatter.»
The 2011 Lexus IS 350's
engine uses a dual - injector system, with direct injection for efficiency and port injection to reduce
clatter.
The new
engine also features a Bosch ® HPCR fuel system to deliver precise fuel control and multiple injections per combustion stroke, which helps increase efficiency and reduce traditional «diesel
clatter.»
A chink in this armour is that the distinct
clatter of the 2.2 - litre four - cylinder
engine can be heard across the cabin.
Thumb the starter and once the
engine comes to life you are greeted by a muffled
clatter which settles in a rhythmic idle.
The Hybrid is the best Q50 in the range for interior refinement, with none of the
clatter of the diesel
engine, near - silent running at low speeds and a smooth hum under acceleration.
If one didn't read the label carefully, it'd be fairly easy to dismiss this as a mere E350 with a gas
engine — it's that well - insulated from any sort of diesel distractions and
clatter.
Our test car comes with the 1.5 - litre i - DTEC diesel
engine (100 PS and 200 Nm) which is mated to a 5 - speed gearbox, the motor is really noisy all the time and it gets annoying unless you turn up the music volume to mask the
clatter.
The usual diesel
clatter is evident and at high speeds, the
engine is very much audible inside the cabin.
The
clatter of the diesel
engine might also throw off some potential buyers who prefer the quiet idling of the gasoline
engine alternatives.
And while Mercedes - Benz does a good job of masking the
clatter of the diesel
engine, it isn't wholly tuned out.
These, and the carriages» opening windows, give our guests the full romantic and evocative experience of steam rail travel from the smell of the coal smoke to the panting of the
engine as it climbs the Brocken, the train's wheels
clattering on the rails beneath.
Gears get stuck as the gearbox crunches and
clatters, wrecked suspension causes the steering to crab, and in severe cases the
engine cuts out completely, forcing you to retire.