Once cranked, there's a fair bit
of diesel clatter heard outside the car, but good cabin insulation prevents it from filtering into the cabin.
At low speeds and under load,
typical diesel clatter intruded, but without the racket of similarly priced diesel passenger cars from some other brands.
There's also slightly more
diesel clatter from the engine than some competitors under light throttle.
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.
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.
Naturally, the French
diesel clatter intrudes into the cabin, but the wind and tire noises are mostly kept outside.
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.
At idle and under acceleration, the engine does have some
muted diesel clatter to let you know this is not the standard powertrain most Americans are used to, but it's never offensive or loud, just different.
Still, in both GLC's it's more refined and smooth than it used to be, with only the tell -
tale diesel clatter evident at high revs or around town.
The Titan XD is powered by a a 5.0 - liter Cummins V8 turbo diesel engine that has a
nice diesel clatter that politely announces its presence.
And forget about the
stereotypical diesel clatter — thanks to extra sound insulation in the diesel model, you'll rarely hear the engine at all.
It's not an
aggressive diesel clatter; it's more of a smooth, low - pitched rumble that really makes its presence known when you want more power.
Whereas the old 2.1 - litre unit suffers from some vibration and a lot of that typical
diesel clatter under hard throttle, the new all - aluminium 1,950 cc motor is noticeably smoother across the revs.
The engine is quite refined with both roughness and the typical well -
controlled diesel clatter, but it does have a rather loud note.
Sound proofing: almost flawless, substantially helped by the C - Class Coupé's sleek lines and scalpel - like aerodynamic coefficient, a dynamic duo keeping wind noise at bay, although some idle
diesel clattering does squeeze inside the cabin every now and then.
The City on the other hand lacks refinement, the motor is very loud and there is a lot of
diesel clatter even on part throttle.
The VW Ameo's motor is by far the least refined as it sounds gruff and the typical
sharp diesel clatter is present all through the rev range.
The
usual diesel clatter is evident and at high speeds, the engine is very much audible inside the cabin.
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).
Turn the key and the four - cylinder engine comes to life with a
typical diesel clatter and settles into a somewhat smooth idle.
Acceleration is brisk thanks to the plentiful torque, and there's very
little diesel clatter to be heard from the inside.
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.
Except at idle, this engine's
diesel clatter is well muted.
The Cummins ® 5.0 - L V8 Turbo Diesel is outfitted with the latest Bosch ® HPCR fuel system and piezo - style injectors to deliver precise fuel control and multiple injections per combustion stroke, which increases efficiency and drastically cuts down on «
diesel clatter».
There is
no diesel clatter but the motor is vocal, in a sporty way which makes you want to push the car to its 5000 RPM redline, power tapering off post 4500 RPM.
Producing 177 BHP and 430 Nm, this powertrain is vocal and you can hear
the diesel clatter at idle, something which only gets louder as you near the 5000 RPM redline.
NVH levels are good but there is
the diesel clatter that filters inside the cabin especially at high speeds.
You can hardly hear this refined motor inside the cabin, and even when you step outside,
the diesel clatter is remarkably refined.
Sitting high up in the cab with
the diesel clattering away, it took about an eighth push into the accelerator travel to get moving.
Turn off the stereo and roll down the window:
no diesel clatter.
In fact, none of the typical
diesel clatter could be heard inside the cabin, even under hard acceleration.
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 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.
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 diesel clatter later cleared their doubts and disbeliefs.
On cranking this motor, you will find
some diesel clatter, but thankfully, superior cabin insulation keeps external noises at bay.
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.»
Twist the ignition and we noticed that the sound deadening job has worked wonders in this iteration since
the diesel clatter is well subdued than in the earlier car.