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Compare any two cars and get our Virtual Adviser™ opinion

Car #1
Make
Model
Variant
Engine
Car #2
Make
Model
Variant
Engine

compare selected cars
2014. - 2018.
E - Luxury car
wagon, 5 door
front
Badges
Production
Vehicle class
Body style
Wheel drive
Safety
2014. - 2018.
E - Luxury car
wagon, 5 door
rear

Marketing

Dimensons & Outlines

4943 mm
1874 mm
1461 mm
565 liters
1680 liters
65 liters
Length
Width
Height
Boot (min)
Boot (max)
Fuel tank
4953 mm
1881 mm
1419 mm
590 liters
1550 liters
59 liters
2014 Audi A6 Avant
2014 Mercedes Benz CLS Shooting Brake

Engine

Volkswagen
2.0 TDI CRBC
Diesel
4 - Inline, 4 valves per cylinder
Turbo
1968 cc
150 hp
320 Nm
Engine
Fuel
Configuration
Aspiration
Displacement
Power
Torque
Mercedes Benz
2.1 OM651 DE22 LA
Diesel
4 - Inline, 4 valves per cylinder
Bi-Turbo
2143 cc
170 hp
400 Nm

Performance (manual gearbox)

manual gearbox - 6 gears
1700 kg
9.8 s
209 km/h
5.3 l/100km
4.0 l/100km
4.5 l/100km
117 g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
 
kg
s
km/h
l/100km
l/100km
l/100km
g/km

Performance (automatic gearbox)

dual clutch - 7 gears
1725 kg
9.9 s
209 km/h
4.9 l/100km
4.1 l/100km
4.4 l/100km
114 g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
automatic - 9 gears
1770 kg
8.6 s
220 km/h
5.7 l/100km
4.3 l/100km
4.9 l/100km
127 g/km

Expenses

14700 EUR
Price from
30000 EUR

Virtual Adviser's™ opinion

Overview

Two significantly similar cars, no doubt about that. Still, each one has something different to offer. Having both cars powered by diesel engines and utilizing the 5-door wagon body style within the same 'Luxury car' segment, the only major difference here really is their wheel drive configuration (front for the Audi and rear in the case of the Mercedes Benz). The first one has a Volkswagen-engineered powertrain under the hood, a 4-cylinder, 16-valves 150hp unit, while the other one gets its power and torque from a 4-cylinder, 16-valves 170hp engine designed by Mercedes Benz.

Safety

The fact that the Audi got tested by the European New Car Assessment Programme (Euro NCAP), while the other contender didn't, puts it sky-high safety-wise, in my eyes at least. Still, apart from the official crash test results there are other things we need to be aware of. Both vehicles belong to the luxury car segment, which is generally a very good thing safety-wise, but it doesn't do much to help us decide between the two. On the other hand, if we'd like to consider vehicle mass in this context too, which we definitely should, CLS offers a marginal difference of 4% more metal.

Reliability

I don't like generalizing things when it comes to reliability, although it does seem that both brands display similar results in faults and breakdowns, at least on all of the models level. These are the official statistics, while our visitors describe reliability of Audi with an average rating of 4.2, and models under the Mercedes Benz badge with 4.4 out of 5. Unfortunatelly, I don't have enough insight that would allow me to comment in more details on the specific models level. That apart, owners of different cars powered by the same engine as Audi A6 rank it on average as 4.6, while the one under the competitor's bonnet gets 4.5 out of 5.

Performance & Fuel economy

Mercedes Benz is undoubtly more agile, reaching 100km/h in 1.2 seconds less than its competitor. In addition to that it accelerates all the way to 220 kilometers per hour, 11km/h more than the other car. When it comes to fuel economy things look pretty much the same for both cars, averaging around 4.7 liters of fuel per 100 kilometers (60 mpg), in combined cycle.


Verdict

Mercedes Benz appears just a bit more reliable, although the difference is truly marginal. The most important thing when deciding between any two vehicles should always be safety, both passive and active. In my opinion, everything taken into account, Audi A6 beats the other contender by far, making it the best choice without even considering other things. From there things take a different direction, with Mercedes Benz being considerably quicker, thus putting more smile on driver's face. It does come at a cost though, and that's the fuel consumption... All together, there's not much more to say, in this case I wouldn't even consider anything but Audi. In any case that's my personal view, built upon all the data available to me. What should decide here though is the way you feel about the two vehicles, and I hope you'll find my guidelines useful in the process. In case you have two minutes to spare I invite you to define your needs, desires and budget and see which car would be chosen by the virtual adviser, among thousands of similar, yet so different vehicles.

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