Audi RS4 Avant video review - www.autocar.co.uk
The new Audi RS4 has a lot to live up to; its predecessor is still vaunted
as one of the best RS cars ever. Can the new 4.2-litre V8, four-wheel drive
RS4 Avant impress?
Read the review at
480HP Audi RS4 V6 Bi-Turbo Revs and Accelerations!
I've filmed this beautiful black on black Audi RS4 B5 Avant 2.7 V6 Bi-turbo Quattro, specially prepared to
produce 480HP, 100 more than the stock one.
Thanks to the Supersprint Exhaust
system, the car sounds also really good.
Here you can see it starting up, revving and doing some fast accelerations
on the track!
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MTM Supercharged B7 Audi RS4 Clubsport! Launch, 8250 RPM, Crazy Insane sound!
Test drive of MTM's Amazing Supercharged B7 Audi RS4 Clubsport!
The MTM RS4 Clubsport. What praise can we possibly give to the regular RS4
that hasn't already been said? It's simply a phenomenal and highly-capable
4-door unlike anything else available. In stock form it's good enough to
lap the Nürburgring Nordschleife quicker than any other 4-door sports
sedan on the market. It's exceptionally luxurious and well equipped. It
also comes with the tried and proven all weather conquering quattro
driveline now with a rearward torque bias. It's not perfect to all people
though. And so where there's room for improvement MTM steps to the
The centerpiece of the MTM RS4 Clubsport package is the liquid-to-air
intercooled, Lysolm-type, belt driven Supercharger that resides directly underneath the
carbon fiber bulge on the hood and feeds the car with 0.45 bar (6.5 psi) of
fresh air. This cleverly designed package sits smack dab between the
cylinder heads within the "V" of Audi's 4.2 liter V8 and Boosts power levels to a very impressive 535
horsepower and 428
ft-lbs of torque. The engine internals and compression ratio remains 100%
stock. A special carbon fiber vent on the hood gives extra clearance to the
Supercharger and helps keep underhood
temperatures checked. The blower assembly completely replaces the stock
variable length intake manifold.
It's important to note that the RS4 Clubsport is still a prototype, meaning
it is quite clearly a work in progress. The final version will certainly be
finely finished and up to OEM standards and aesthetics, as with all MTM
vehicles. The particular Supercharger on
this press car has actually been adapted from a standard S4 application,
which is evident by the holes in the intake runner where an IDI fuel
injector would normally reside. This same system is available on the normal
S4 and can produce up to 503 horsepower.
Roland has set the development durability goal of 50,000 km for this
Clubsport RS4. This means he is not going to release the kit into
production until the test car reaches 50,000 trouble free kilometers on the
stock engine internals. Currently, the press car has seen roughly 15,000
km, so there is a ways to go. However, press cars tend to see slightly
more, ummm, "wear and tear" than the average car so one can rest assured
that it has been thoroughly tested and developed under all conditions. We
drove this car hard, and it ran well without a hiccup.
Development of MTM's Supercharger system
was far from easy. Three important factors contributed to the overall
difficulty of the project; size (component packaging), heat, and ease of
Audi has already used up nearly all available space by just fitting a V8
into the A4 chassis. They've shortened the engine length as much as
possible by using smaller than usual bore-to-bore spacing and fitting the
accessory/cam drive to the back of the engine. This didn't leave Roland
much real estate to work with on the front side.
A Supercharger setup works by turning an
air compressor (blower) mechanically with a belt and pulley system. The
extreme revving capability of the RS4 engine means the entire belt drive
system must be able to withstand high speed and high torque operation. At
full Boost, the Supercharger can require 50 or more horsepower from the engine
to spin itself, which must be transmitted through this belt. Considerable
effort went into designing the belt/drive assembly to fit into the small
space and function without slippage under all conditions.
The additional heat generated by this setup necessitated the carbon fiber
scoop which peeks menacingly from the hood area. MTM also concluded
intercooling was vital for safe and consistent power delivery. Trials
without intercooling showed that intake air temperatures would climb too
high, which in turn would decrease power output as the ECU pulls back
ignition timing to compensate. Higher temperatures also increase the
likelihood of engine knock, not something welcome to an owner when a
$30,000 RS4 engine is in stake. The water-to-air intercooling system taps
cleanly into the factory cooling system adding an additional heat exchanger
before passing through the Supercharger.
"Power is nothing without control". This cliché statement holds especially
true with MTM's RS4. Simply adding more power to a stock RS4 would result
in a less rounded vehicle, perhaps not as effective overall as what
originally rolled off the line at quattro GmbH. The remainder of the
modifications were therefore designed to make maximum use of the additional
power produced by the Supercharger.
Weight saving measures bring the curb weight of the Clubsport down to a
claimed 1660 kg (3650 lbs). This is about 350 lbs less than a US-spec RS4
even while counting larger brakes and additional safety features.
Audi Q7 Тест-драйв.Anton Avtoman.
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Audi Q7 Тест-драйв.Anton Avtoman.
2010 Audi S4 vs. 2007 Audi RS4
The Smoking Tire takes two hot Audi's, the 2010 S4 and the 2007 RS4, up
into the canyons of Malibu to find out how their newest sport sedan
compares to their best sport sedan.
Behind the wheel of Audi's autonomous RS7 Piloted Driving Concept on the Race Track
Let us take you on board of Audi's autonomous RS7 that can lap any race
track (nearly) as fast as a professional driver without any inputs from the
driver at all.
Read our chief editor's review of the RS7 Piloted Driving Concept here:
Check how it accelerates, brakes and steers all by itself. This is not some
futuristic concept, but possible today with every day cars and some minor
The Audi RS7 Piloted Driving Concept is built to demonstrate the ability of
the existing systems and to challenge professional drivers to challenge it
on track. Running at 90% of its power it was 2 seconds slower than our
editor who did the same lap moments before.
2014 Audi RS4 Avant Review
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2014 Audi RS7: Top Speed Bahnstorming in Germany! - Ignition Ep. 80
On this episode of Ignition, Carlos Lago tests the new Audi RS7 through
over 500 miles of German roads, including top-speed blasts on the
unrestricted Autobahn. With 560 horsepower and 516 lb-ft of
torque from its twin-turbo 4.0-liter
V-8, the RS7 eclipses even the R8's 5.2-liter V-10 in power delivery. We
find out just how monstrous the resulting acceleration is -- as well as the
top speed -- though the green countryside of southern Germany.
Ignition appears every Monday on the Motor Trend youtube channel.
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