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

compare selected cars
2006. - 2010.
S - Sports car
cabriolet, 2 door
4 x 4
Badges
Production
Vehicle class
Body style
Wheel drive
Safety
2006. - 2009.
S - Sports car
cabriolet, 2 door
rear

Dimensons & Outlines

4178 mm
1842 mm
1358 mm
250 liters
250 liters
55 liters
Length
Width
Height
Boot (min)
Boot (max)
Fuel tank
4091 mm
1781 mm
1299 mm
240 liters
260 liters
55 liters
2006 Audi TT Roadster
2006 BMW Z4 Roadster

Engine

Volkswagen
3.2 VR6
Petrol
6 - V config, 4 valves per cylinder
Nat. Asp.
3189 cc
250 hp
320 Nm
Engine
Fuel
Configuration
Aspiration
Displacement
Power
Torque
Petrol
6 - Inline, 4 valves per cylinder
Nat. Asp.
3246 cc
343 hp
365 Nm

Performance (manual gearbox)

manual gearbox - 6 gears
1470 kg
6.1 s
250 km/h
14.8 l/100km
7.8 l/100km
10.4 l/100km
250 g/km
Gearbox type
Vehicle weight
Acc. 0-100
Top speed
Cons. (urban)
Cons. (highway)
Cons. (average)
CO2 emissions
manual gearbox - 6 gears
1410 kg
5.0 s
250 km/h
18.2 l/100km
8.6 l/100km
12.1 l/100km
292 g/km

Performance (automatic gearbox)

automatic - 6 gears
1490 kg
5.9 s
250 km/h
13.0 l/100km
7.4 l/100km
9.5 l/100km
227 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

7500 EUR
Price from
8800 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 (4 x 4 for the Audi and rear in the case of the BMW). The first one has a Volkswagen-engineered powertrain under the hood, a 6-cylinder, 24-valves 250hp unit, while the other one gets its power and torque from a 6-cylinder, 24-valves 343hp engine designed by BMW.

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. 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, still it doesn't help us solve our dilemma, does it? Furthermore, when it comes to weight, a factor that most people underestimate, Audi TT offers a marginal difference of 4% 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. That's the official data, while our visitors describe reliability of Audi with an average rating of 4.1, and models under the BMW badge with 4.3 out of 5. Independent research findings rank TT as average reliability-wise, and Z4 is more or less at the same level.We should definitely mention that owners of cars with the same powertrain as Audi TT rank it on average as 4.3, while the one under the competitor's bonnet gets 3.0 out of 5.

Performance & Fuel economy

BMW is undoubtly more agile, reaching 100km/h in 1.1 seconds less than its competitor. In addition to that it accelerates all the way to 250 kilometers per hour, exactly the same as the other car does. When it comes to fuel economy the winner has to be Audi TT, averaging around 10.4 liters of fuel per 100 kilometers (27 mpg), in combined cycle. We can't ignore that 16% difference compared to BMW Z4.


Verdict

Audi 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 slightly better overall protection and takes the lead. From there things take a different direction, with BMW 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 not difficult to say then that if I'd need to make a choice, it would definitely be the Audi. 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, among more than 12.000 different ones in our database.

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