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Car #1
Car #2

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2010. - 2012.
D - Large family car
hatchback, 5 door
Vehicle class
Body style
Wheel drive
2008. - 2013.
D - Large family car
hatchback, 5 door


Dimensons & Outlines

4755 mm
1795 mm
1440 mm
510 liters
1700 liters
64 liters
Boot (min)
Boot (max)
Fuel tank
4830 mm
1858 mm
1498 mm
520 liters
1465 liters
70 liters
2010 Mazda 6
2008 Opel Insignia


4 - Inline, 4 valves per cylinder
Nat. Asp.
1999 cc
150 hp
190 Nm
Opel / General Motors
2.0 A20NHT
4 - Inline, 4 valves per cylinder
1998 cc
220 hp
350 Nm

Performance (manual gearbox)

manual gearbox - 6 gears
1335 kg
10.2 s
212 km/h
9.9 l/100km
5.5 l/100km
7.1 l/100km
168 g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
manual gearbox - 6 gears
1545 kg
7.6 s
242 km/h
12.2 l/100km
6.2 l/100km
8.4 l/100km
198 g/km

Performance (automatic gearbox)

automatic - 5 gears
1365 kg
11.1 s
206 km/h
10.7 l/100km
5.8 l/100km
7.6 l/100km
176 g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
automatic - 6 gears
1570 kg
7.8 s
240 km/h
12.8 l/100km
6.3 l/100km
8.7 l/100km
204 g/km


5500 EUR
Price from
4000 EUR

Virtual Adviser's™ opinion


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 hatchback body style and the front wheel drive system, it all comes up to the specific petrol engine choice they offer. The first one has a Mazda-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 220hp engine designed by Opel.


The first thing to look into here would be the results from European New Car Assessment Programme (Euro NCAP) tests performed on the two cars. Good thing is that both vehicles got tested, with the same number of safety stars gained in the process. Moving further on, let's take a closer look at some additional safety-related facts. 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, the German car offers a considerable difference of 16% more metal.


Reliability is not the best thing to consider on the make level, but it is worth mentioning that Mazda does have a slight advantage, at least on all of the models level. These are the results of an independent reasearch, while our visitors describe reliability of Mazda with an average rating of 4.4, and models under the Opel badge with 4.2 out of 5. Some independent research have also placed 6 as average reliability-wise, and Insignia is more or less at the same level.That apart, owners of different cars powered by the same engine as the Japanese car rank it on average as 5.0, while the one under the competitor's bonnet gets 4.3 out of 5.

Performance & Fuel economy

Opel is undoubtly more agile, reaching 100km/h in 2.6 seconds less than its competitor. In addition to that it accelerates all the way to 242 kilometers per hour, 30km/h more than the other car. When it comes to fuel economy the winner has to be the Japanese car, averaging around 7.1 liters of fuel per 100 kilometers (40 mpg), in combined cycle. We can't ignore that 18% difference compared to the German car.


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 German car offers significantly better overall protection, taking the lead here. It all continues in the same direction, with Opel being considerably quicker, thus putting more smile on driver's face. It does come at a cost though, and that's the fuel consumption... It's really tough to make a final decision here, but if I'd need to, I'd say Mazda. 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. Also, you could use the oportunity to find out which car, everything taken into account, would be the perfect choice for you in the eyes of the virtual adviser, among thousands of similar, yet so different vehicles.

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