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

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2004. - 2011.
D - Large family car
wagon, 5 door
front
Badges
Production
Vehicle class
Body style
Wheel drive
Safety
2005. - 2007.
D - Large family car
wagon, 5 door
front

Marketing

Dimensons & Outlines

4660 mm
1828 mm
1422 mm
445 liters
1235 liters
70 liters
Length
Width
Height
Boot (min)
Boot (max)
Fuel tank
4710 mm
1780 mm
1480 mm
505 liters
1712 liters
64 liters
2004 Alfa Romeo 159 Sport Wagon
2005 Mazda 6 SportBreak

Engine

FIAT / General Motors
2.0 mJet 170
Diesel
4 - Inline, 4 valves per cylinder
Turbo
1956 cc
170 hp
350 Nm
Engine
Fuel
Configuration
Aspiration
Displacement
Power
Torque
Diesel
4 - Inline, 4 valves per cylinder
Turbo
1998 cc
143 hp
360 Nm

Performance (manual gearbox)

manual gearbox - 6 gears
1515 kg
9.0 s
216 km/h
7.1 l/100km
4.4 l/100km
5.4 l/100km
142 g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
manual gearbox - 6 gears
1495 kg
9.8 s
201 km/h
7.6 l/100km
5.2 l/100km
6.1 l/100km
167 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
 
kg
s
km/h
l/100km
l/100km
l/100km
g/km

Expenses

1700 EUR
Price from
2000 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 5-door wagon body style and the front wheel drive system, it all comes up to the specific diesel engine choice they offer. The first one has a FIAT-engineered powertrain under the hood, a 4-cylinder, 16-valves 170hp unit, while the other one gets its power and torque from a 4-cylinder, 16-valves 143hp engine designed by Mazda.

Safety

Both vehicles got tested by European New Car Assessment Programme (Euro NCAP), with the Alfa Romeo being a slightly better choice apparently. Still, apart from the official crash test results there are other things we need to be aware of. 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. Furthermore, when it comes to weight, a factor that most people underestimate, the Italian car offers a marginal difference of 1% more metal.

Reliability

I don't like generalizing things when it comes to reliability, although it does seem that Mazda is significantly less fault-prone, at least on all of the models level. These are the results of an independent reasearch, while our visitors describe reliability of Alfa Romeo with an average rating of 4.2, and models under the Mazda badge with 4.5 out of 5. The same official information place 159 as average reliability-wise, and 6 is more or less at the same level.Above it all, drivers of cars with the same engine as the Italian car rank it on average as 4.6, while the one under the competitor's bonnet gets 4.1 out of 5.

Performance & Fuel economy

Alfa Romeo is a bit more agile, reaching 100km/h in 0.8 seconds less than its competitor. In addition to that it accelerates all the way to 216 kilometers per hour, 15km/h more than the other car. When it comes to fuel economy the winner has to be the Italian car, averaging around 5.4 liters of fuel per 100 kilometers (52 mpg), in combined cycle. We can't ignore that 13% difference compared to the Japanese car.


Verdict

Mazda 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, the Italian car offers much better overall protection, which launches it ahead of the other contender. It all continues in the same direction, with Alfa Romeo offering somewhat better performance, just enough to call it quicker. To make things even better, it consumps less fuel! All together, there's not much more to say, in this case I wouldn't even consider anything but Alfa Romeo. 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 more than 12.000 different ones in our database.

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