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.
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.
Not exact matches
At idle, the
diesel clatter is almost nonexistent, but under any kind of acceleration, it makes itself heard.
And its quite quiet to the point that it doesn't really sound like a
diesel at all, so don't expect to pick one out of a lineup just by listening for the
clatter.
Aside from a low
clatter at startup, there are few initial signs that BMW's
diesel - powered X5 is a different sort of beast.
At idle, the more powerful iteration of the 2.2 - litre unit emits nothing more than a muted
clatter, while under load the soundtrack is more petrol than
diesel.
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.
At idle, the EcoDiesel option made itself known by the
clatter of its injectors, that distinct
diesel chatter underneath the whir of pumps.
NVH levels are good but there is the
diesel clatter that filters inside the cabin especially
at high speeds.
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.
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.
At low speeds and under load, typical
diesel clatter intruded, but without the racket of similarly priced
diesel passenger cars from some other brands.
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).
Thanks to the 159's sleek body, noise levels stay hushed even
at higher speeds, although the
diesels managed to send their
clatter inside the cabin when the throttle goes towards the floor.
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 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.
The usual
diesel clatter is evident and
at high speeds, the engine is very much audible inside the cabin.
At idle or low speeds, the
diesel clatter is pronounced, and there is quite a bit of acceleration lag.