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Make
Model
Model
Variant
Variant
Engine
Engine
Badges
2006. - 2009. Production 2006. - 2010.
S - Sports car Vehicle class S - Sports car
cabriolet, 2 door Body style cabriolet, 2 door
Rear Wheel drive 4 x 4
Safety
Dimensons & Volumes
4091 mm
Length 4178 mm
1781 mm
Width 1842 mm
1299 mm
Height 1358 mm
240 liters
Boot (min) 250 liters
260 liters
Boot (max) 250 liters
55 liters
Fuel tank 55 liters
Engine
Volkswagen
2.5 TFSI
Petrol Fuel Petrol
6 - Inline, 4 valves per cylinder Configuration 5 - Inline, 4 valves per cylinder
Naturally Aspir. Aspiration Turbo
2497 cc
Displacement 2480 cc
218 hp
Power 340 hp
250 Nm
Torque 450 Nm
Performance (manual gearbox)
manual gearbox - 6 gears
manual gearbox - 6 gears
1260 kg
Vehicle weight 1510 kg
6.5 s
Acc. 0-100 4.7 s
240 km/h
Top speed 250 km/h
12.0 l/100km
Cons. (urban) 13.3 l/100km
6.3 l/100km
Cons. (highway) 7.2 l/100km
8.4 l/100km
Cons. (average) 9.5 l/100km
202 g/km
CO2 emissions 221 g/km
Performance (automatic gearbox)
automatic - 6 gears
1295 kg
Vehicle weight kg
6.9 s
Acc. 0-100 s
238 km/h
Top speed km/h
12.8 l/100km
Cons. (urban) l/100km
6.8 l/100km
Cons. (highway) l/100km
9.0 l/100km
Cons. (average) l/100km
216 g/km
CO2 emissions g/km
Expenses
13500 EUR
Price from 10000 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 4 x 4 in the case of the Audi). The first one has a BMW-engineered powertrain under the hood, a 6-cylinder, 24-valves 218hp unit, while the other one gets its power and torque from a 5-cylinder, 20-valves 340hp engine designed by Volkswagen.

Safety

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. That aside, let's consider some other aspects which affect safety. 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, Audi TT offers a considerable difference of 20% more metal.

Reliability

I don't like generalizing things when it comes to reliability, although it does seem that both brands display similar results in faults and breakdowns, all the models observed together. These are the official statistics, while our visitors describe reliability of BMW, as well as Audi, with the same average rating of 4.3 out of 5. Independent research findings rank Z4 as average reliability-wise, and TT 15% below the first one. We should definitely mention that owners of cars with the same powertrain as BMW Z4 rank it on average as 4.0, while the one under the competitor's bonnet gets 3.0 out of 5.

Performance & Fuel economy

Audi is undoubtly more agile, reaching 100km/h in 1.8 seconds less than its competitor. In addition to that it accelerates all the way to 250 kilometers per hour, 10km/h more than the other car. When it comes to fuel economy the winner has to be BMW Z4, averaging around 8.4 liters of fuel per 100 kilometers (34 mpg), in combined cycle. We can't ignore that 13% difference compared to Audi TT.

Verdict

BMW 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, Audi TT offers significantly better overall protection, taking the lead here. It all continues in the same direction, with Audi 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 BMW. 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. 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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