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

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2005. - 2009.
F - Executive car
sedan, 4 door
rear
Badges
Production
Vehicle class
Body style
Wheel drive
Safety
2007. - 2010.
F - Executive car
sedan, 4 door
4 x 4

Dimensons & Volumes

5076 mm
1871 mm
1473 mm
560 liters
560 liters
90 liters
Length
Width
Height
Boot (min)
Boot (max)
Fuel tank
5062 mm
1897 mm
1424 mm
500 liters
500 liters
90 liters

Engine

Mercedes Benz
5.5 M275 E55 AL HP
Petrol
12 - V config, 3 valves per cylinder
Bi-Turbo
5513 cc
517 hp
830 Nm
Engine
Fuel
Configuration
Aspiration
Displacement
Power
Torque
Volkswagen
5.2 FSI
Petrol
10 - V config, 4 valves per cylinder
Nat. Asp.
5204 cc
450 hp
540 Nm

Performance (manual gearbox)

 
kg
s
km/h
l/100km
l/100km
l/100km
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)

automatic - 5 gears
2080 kg
4.6 s
250 km/h
21.7 l/100km
10.0 l/100km
14.3 l/100km
340 g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
automatic - 6 gears
1940 kg
5.1 s
250 km/h
19.7 l/100km
9.7 l/100km
13.4 l/100km
319 g/km

Expenses

7000 EUR
Price from
10750 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 petrol engines and utilizing the 4-door sedan body style within the same 'Executive car' segment, the only major difference here really is their wheel drive configuration (rear for the Mercedes Benz and 4 x 4 in the case of the Audi). The first one has a Mercedes Benz-engineered powertrain under the hood, a 12-cylinder, 36-valves 517hp unit, while the other one gets its power and torque from a 10-cylinder, 40-valves 450hp engine designed by Volkswagen.

Safety

Unfortunatelly, neither of the two vehicles was submitted to the European New Car Assessment Programme (Euro NCAP) testing. This makes it virtually impossible for me to pick one over the other and I'm generally against buying such cars as the safety should really always come first. That aside, let's consider some other aspects which affect safety. Both vehicles belong to the executive car segment, which is generally a fortune safety-wise, but it doesn't do much to help us decide between the two. Furthermore, if we'd like to consider vehicle mass in this context too, which we definitely should, Mercedes Benz S offers a marginal difference of 7% more metal.

Reliability

Manufacturers have been building their reliability reputation for decades now and, generally speaking, it appears that both brands display similar results in faults and breakdowns, all the models observed together. That's the official data, while our visitors describe reliability of Mercedes Benz with an average rating of 4.4, and models under the Audi badge with 4.1 out of 5. Some independent research have also placed S as average reliability-wise, and A8 is more or less at the same level.We should definitely mention that owners of cars with the same powertrain as Mercedes Benz S rank it on average as 3.0 out of 5, exactly the same as the other one.

Performance & Fuel economy

Mercedes Benz is a bit more agile, reaching 100km/h in 0.5 seconds less than its competitor. Still, it lacks the power to win the top speed competition, topping at 250 kilometers per hour, exactly the same as the other car does. When it comes to fuel economy the winner has to be Audi A8, averaging around 13.4 liters of fuel per 100 kilometers (21 mpg), in combined cycle. We can't ignore that 7% difference compared to Mercedes Benz S.


Verdict

Audi 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, Mercedes Benz S offers slightly better overall protection and takes the lead. It all continues in the same direction, with Mercedes Benz offering somewhat better performance, just enough to call it quicker. It does come at a cost though, and that's the fuel consumption... No mistake, whatever you decide here, but I'd still go for the Audi. Nevertheless, let's not forget that people have different preferences and needs, so what really counts is your personal feel. I'm only here to help. I suggest you spend two more minutes in order to find out which car, based on your needs and budget, would be picked by the virtual adviser, among more than 12.000 different ones in our database.

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