Unlike Volkswagen's previous R models (such as the Golf R32), these use four -
cylinder turbo engines rather than V6s.
Not exact matches
Having a larger
engine to start of with (4litre vs 2.5 litre) and eight
cylinders rather than four means 1) a lower compression ratio will effect driveability less and 2) more
cylinders means more power strokes per
engine rotation which will charge the
turbo quicker creating boost quicker.
However, since the base
engine had devolved from a 2.0 - liter
turbo four -
cylinder to the
rather grim, 2.5 - liter five -
cylinder, we moved up to the
turbo - diesel.
Those who want the greater capability of all - wheel drive must opt for Volvo's aging
turbo five - or six -
cylinder engines, which pair with a six -
rather than eight - speed transmission.
In a sign of the times, the entry - level 630i model will get a 2 - litre four -
cylinder turbo petrol
engine,
rather than the straight - six those numbers have traditionally denoted.
This means that the
turbos are nestled between the
engine's
cylinder banks,
rather than hung off the sides, for more compact packaging, more responsive spooling, and better control over thermal efficiency.
It seems that the new BMW M3 will be powered by a fresh 3.3 - liter six -
cylinder engine equipped with three
turbos — one powered by electricity,
rather than the exhaust gases.
Speaking of
engine, there's a choice of two
rather charming three -
cylinder 1.0 - litre
turbo - petrol units that generate more power than the Polo's previous
engines while also sipping a bit less fuel.