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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
2009. - 2013.
S - Sports car
cabriolet, 2 door
rear
Badges
Production
Vehicle class
Body style
Wheel drive
Safety
2009. - 2013.
S - Sports car
cabriolet, 2 door
front

Marketing

Dimensons & Outlines

4239 mm
1790 mm
1291 mm
180 liters
310 liters
55 liters
Length
Width
Height
Boot (min)
Boot (max)
Fuel tank
4615 mm
1836 mm
1400 mm
200 liters
404 liters
52 liters
2009 BMW Z4 Roadster
2009 Volvo C70

Engine

Petrol
4 - Inline, 4 valves per cylinder
Bi-Turbo
1997 cc
245 hp
350 Nm
Engine
Fuel
Configuration
Aspiration
Displacement
Power
Torque
Petrol
5 - Inline, 4 valves per cylinder
Nat. Asp.
2435 cc
170 hp
230 Nm

Performance (manual gearbox)

manual gearbox - 6 gears
1375 kg
5.7 s
250 km/h
8.9 l/100km
5.6 l/100km
6.8 l/100km
159 g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
manual gearbox - 5 gears
1585 kg
9.1 s
220 km/h
12.9 l/100km
6.7 l/100km
9.0 l/100km
215 g/km

Performance (automatic gearbox)

automatic - 8 gears
1395 kg
5.7 s
250 km/h
9.1 l/100km
5.5 l/100km
6.8 l/100km
159 g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
automatic - 5 gears
1607 kg
10.0 s
215 km/h
13.9 l/100km
7.1 l/100km
9.6 l/100km
229 g/km

Expenses

21500 EUR
Price from
9900 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 2-door cabriolet body style within the same 'Sports car' segment, the only major difference here really is their wheel drive configuration (rear for the BMW and front in the case of the Volvo). The first one has a BMW-engineered powertrain under the hood, a 4-cylinder, 16-valves 245hp unit, while the other one gets its power and torque from a 5-cylinder, 20-valves 170hp engine designed by Volvo.

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. Still, apart from the official crash test results there are other things we need to be aware of. Both vehicles belong to the sports car segment, which is generally classifying them somewhere in the middle safety-wise, but it doesn't do much to help us decide between the two. On the other hand, when it comes to weight, a factor that most people underestimate, the Swedish car offers a considerable difference of 15% more metal.

Reliability

Manufacturers have been building their reliability reputation for decades now and, generally speaking, it appears that Volvo 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 BMW with an average rating of 4.2, and models under the Volvo badge with 4.6 out of 5. Unfortunatelly, I don't have enough insight that would allow me to comment in more details on the specific models level. Above it all, drivers of cars with the same engine as the German car rank it on average as 5.0 out of 5, exactly the same as the other one.

Performance & Fuel economy

BMW is way more agile, reaching 100km/h in 3.4 seconds less than its competitor. In addition to that it accelerates all the way to 250 kilometers per hour, 30km/h more than the other car. When it comes to fuel economy an obvious choice would be the German car, averaging around 6.8 liters of fuel per 100 kilometers (42 mpg), in combined cycle. That's 32% difference compared to the Swedish car!


Verdict

Volvo 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 Swedish car offers significantly better overall protection, taking the lead here. From there things take a different direction, with BMW outracing its opponent in any situation possible, making it better choice for boy racers. 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 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. 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 more than 12.000 different ones in our database.

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