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Used test: Audi RS4 Avant vs Mercedes-AMG C63 S Estate: verdict

You can save up to £20,000 if you buy one of these cracking performance estates used, but which should take pride of place on your driveway?...

Audi RS4 Avant vs Mercedes-AMG C63 S Estate rears

Our Verdict

As we said at the beginning of this test, the Audi RS4 Avant has a lot going for it on paper – and plenty of that translates into the real world. It's effortlessly quick, very classy inside and, if you can find one featuring the optional Dynamic Ride Control, smooth and comfortable to drive. 

However, what you can't quite see – or experience – on paper is how a car drives, and that's where the RS4 doesn't quite cut the mustard as a performance car. It doesn't feel like a particularly exciting, rewarding or competent fast estate from behind the wheel, especially when faced with competition from rivals such as the Mercedes-AMG C63 S Estate.

The C63 S is the more thrilling, entertaining, confidence-inspiring package. It's also just as cheap to buy and actually slightly more affordable to run, plus it doesn't compromise on the sensible, practical aspects of being an estate car much more than the RS4. The C63 S is our winner. 

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1st – Mercedes-AMG C63 S Estate

New Audi RS4 Avant vs Mercedes-AMG C63 S Estate

For Far more involving handling; sportier feeling interior; stronger performance
Against Choppy ride; less usable boot space; so-so infotainment system

What Car? rating 4 stars out of 5

Read our full used Mercedes-AMG C63 S Estate review >>

Find a used Mercedes-AMG C63 S Estate for sale >>


2nd – Audi RS4 Avant V6 TFSI quattro

New Audi RS4 Avant vs Mercedes-AMG C63 S Estate

For Quicker off the line; better-quality interior; slicker infotainment
Against Uninformative handling; slower mid-range acceleration; less rear space

What Car? rating 3 stars out of 5

Read our full used Audi RS4 Avant review >>

Find a used Audi RS4 Avant for sale >>


Specifications: Audi RS4 Avant V6 TFSI quattro

Engine size 2.9-litre, turbo, petrol
Power 444bhp
Torque 443lb ft
0-60mph 3.8sec
Top speed 174mph
Fuel economy 32.1mpg (official average)
CO2 emissions 199g/km


Specifications: Mercedes-AMG C63 S Estate

Engine size 4.0-litre, turbo, petrol
Power 503bhp
Torque 516lb ft
0-60mph 4.3sec
Top speed 180mph
Fuel economy 33.6mpg (official average)
CO2 emissions 196g/km