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

compare selected cars
2005. - 2008.
D - Large family car
sedan, 4 door
rear
Badges
Production
Vehicle class
Body style
Wheel drive
Safety
2004. - 2007.
D - Large family car
sedan, 4 door
rear

Dimensons & Outlines

4520 mm
1817 mm
1421 mm
460 liters
460 liters
61 liters
Length
Width
Height
Boot (min)
Boot (max)
Fuel tank
4526 mm
1728 mm
1426 mm
455 liters
455 liters
62 liters
2005 BMW 3 Series
2004 Mercedes Benz C

Engine

Diesel
4 - Inline, 4 valves per cylinder
Turbo
1995 cc
143 hp
320 Nm
Engine
Fuel
Configuration
Aspiration
Displacement
Power
Torque
Mercedes Benz
2.1 OM646 DE22 LA
Diesel
4 - Inline, 4 valves per cylinder
Turbo
2148 cc
150 hp
340 Nm

Performance (manual gearbox)

manual gearbox - 6 gears
1405 kg
9.3 s
210 km/h
5.7 l/100km
4.1 l/100km
4.7 l/100km
123 g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
manual gearbox - 6 gears
1440 kg
10.1 s
224 km/h
8.6 l/100km
5.1 l/100km
6.4 l/100km
169 g/km

Performance (automatic 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
automatic - 5 gears
1460 kg
10.3 s
218 km/h
9.0 l/100km
5.4 l/100km
6.8 l/100km
178 g/km

Expenses

6500 EUR
Price from
2800 EUR

Virtual Adviser's™ opinion

Overview

Well, these are two pretty similar cars we have here! It's only details that could potentially make the difference. Considering they both belong to the large family car segment and utilize the same 4-door sedan body style and the rear wheel drive system, it all comes up to the specific diesel engine choice they offer. The first one has a BMW-engineered powertrain under the hood, a 4-cylinder, 16-valves 143hp unit, while the other one gets its power and torque from a 4-cylinder, 16-valves 150hp engine designed by Mercedes Benz.

Safety

Both vehicles got tested by European New Car Assessment Programme (Euro NCAP), with the same number of safety stars gained in the process. That aside, let's consider some other aspects which affect safety. Both vehicles belong to the large family car segment, which is generally a good thing safety-wise, but it doesn't do much to help us decide between the two. On the other hand, taking kerb weight as an important factor into account, Mercedes Benz C offers a marginal difference of 2% more metal.

Reliability

Reliability is not the best thing to consider on the make level, but it is worth mentioning that both brands display similar results in faults and breakdowns, all the models observed together. These are the results of an independent reasearch, while our visitors describe reliability of BMW with an average rating of 4.2, and models under the Mercedes Benz badge with 4.4 out of 5. Independent research findings rank 3 Series as average reliability-wise, and C is more or less at the same level.We should definitely mention that owners of cars with the same powertrain as 3 Series rank it on average as 4.1, while the one under the competitor's bonnet gets 4.9 out of 5.

Performance & Fuel economy

BMW is a bit more agile, reaching 100km/h in 0.8 seconds less than its competitor. Still, it lacks the power to win the top speed competition, topping at 210 kilometers per hour, 14km/h less than the other car. When it comes to fuel economy the winner has to be 3 Series, averaging around 4.7 liters of fuel per 100 kilometers (60 mpg), in combined cycle. We can't ignore that 36% difference compared to Mercedes Benz C.


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, Mercedes Benz C offers slightly better overall protection and takes the lead. From there things take a different direction, with BMW offering somewhat better performance, just enough to call it quicker. To make things even better, it consumps less fuel! It's not difficult to say then that if I'd need to make a choice, it would definitely be the BMW. Anyway, that's the most objective conclusion I could've came up with and it's based solely on the information found on this website. Aspects such as design, practicality, brand value and driving experience are there for you to measure them out. 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, out of 12.000+ vehicles we currently have in our database.

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