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The Audi A5 is a classy coupé, hatchback and cabriolet, but are there talents beneath the pretty bodywork?

The expansion of the Audi A5 range has been a microcosm for the expansion of the Audi range as a whole over the past few years.

Ignoring the Audi TT (technically a coupe, in practice a two-seater), Audi has been without a proper 2+2 coupe since sales of the B4 Coupe, based on the third generation Audi 80, ceased in 1996.

The Audi A5 is a big seller in an increasingly important market

Then the three-door, four-seat Audi A5 Coupe arrived 2007. Should you be seeking explanation for Audi’s decision to produce the A5, consider the fact the coupe boosts BMW 3 Series sales by half as much again, and when the 3 Series saloon outsells the Ford Mondeo, that’s a significant market, and one in which Audi is keen to delve.

The A5 name was such a success as a coupe, it was used for the Audi A5 Cabriolet two years later. Effectively, it’s an open-top version of the existing A5 coupé and, despite its numerically enhanced moniker, is a direct replacement for the previous A4 Cabriolet.

It doesn’t stop there with A5s. Arriving at a similar time as the A5 cabriolet was the Audi A5 Sportback. Audi claims that the A5 Sportback is “unique, with no direct competitors...blending coupe style with saloon practicality...a contemporary embodiment of the Grand Turismo philosophy”. Audi also says the Sportback is the last model in the A5 line-up. Phew.

Before the A5, the Audi A4 scored around a quarter of sales in the compact premium class, but with this platform-and segment-sharing pair it has snared a third of the market, even if A4 sales have dropped slightly. In 2012, the A5 family was given an overdue facelift, which gave the coupé range a sharper, more intense presence on the road. Key to this change in prominence was the new head and rear lights, the new LED day-running lights, new bumpers and a revamped front grille.  

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And ahead of 2017, the second generation Audi A5 and S5 was revealed at the Paris Motorshow, with the new cars bearing a more aggressive stance than before. As you can expect the new A5 is longer and more practical than before with more occupant space and a bigger boot the key headlines. But the interior has also dramatically changed, mirroring the superb interior found in the excellent A4 saloon and estate.

The A5 range is critical, partly as they’re the first ‘ordinary’ models of which Audi talks seriously about a ‘driver-oriented chassis. If there’s truth in Audi’s claims, it could be just the news BMW didn’t want to hear.

DESIGN & STYLING

Audi A5 rear

The A5 marks a departure for Audi, whose usual designs reflect constant radius curves and unambiguous design. Mixing straight lines, swathing curves and concave surfaces, viewed close up, the individual details can appear cluttered, but from a distance and especially on the move, gel cohesively.

Visually, from the front bumper as far back as the windscreen pillar, coupé and cabriolet are effectively identical. S-line versions add some visual bling in the form of a reasonably discreet bodykit and Audi’s trademark ultra-bright LED running lights, integrated below the xenon headlamps.

The A5 coupé is a particularly elegant car

The cabriolet keeps the muscular contours of the coupé’s rear flanks, and Audi’s decision to stick with a folding fabric roof rather than a bulkier collapsible hard-top means that the design team has been able to keep the height of the rear deck low; with roof up or down, it’s a handsome car.

The five-door Sportback version is Germany’s Rover Vitesse. It is 36mm lower, 28mm wider and 6mm shorter than an Audi A4. Audi admits space has been compromised slightly in the five-door.

The A5’s architecture is entirely conventional and familiar from its application across the Volkswagen Group; a steel unibody with a mix of petrol and diesel engines channelled through either front or quattro all-wheel drive. What’s clever about the platform is how far forward the axle line is, meaning the A5’s mass is distributed more uniformly across both axles, and the longer wheelbase benefits ride quality.

The front suspension is a five-link affair for better control, each link constructed from aluminium (also good for ride) and mounted directly to a sub frame. Furthermore there’s electromechanical steering to improve feel and response, as well as economy.

The 2017 models retains the Sportback profile and shape, but is 17mm longer, which affords 11mm extra shoulder room and 24mm more rear knee room, which will make clambering in and out of the back easier. Upfront there will be a range of 2.0-litre, four-cylinder petrol and diesel engines, along with a 3.0-litre V6 diesel engine to choose from, while the S5 gets a 3.0-litre V6 TFSI engine producing 349bhp.

 

INTERIOR

Audi A5 interior

The A5 is an Audi, which means a top-notch interior is expected, and in this case, it’s delivered. For Audi regulars, the cabin design is instantly familiar, yet also sufficiently unique. The design detail is more indulgent in feel that many other Audis.

With the exception of the clutch pedal (set too far to the right), the controls are well-placed and driving position excellent.

Audi builds some of the best interiors in the business

Access to the rear is good on all models, although egress more awkward. Legroom is sufficient for all but the longest of leg, but the sloping roofline does mean anyone approaching six feet will be squeezed against the headlining. No question, the A5 is capable of transporting four full height adults, but a cross-continent cruiser it isn’t.

The coupe's 445-litre boot is a fraction larger than that of the BMW 3 Series, and boosted by folding rear seats, but the marginally narrow boot aperture could frustrate for more awkward loads.

On the Cabriolet some rear seat space has been sacrificed to find room for the roof mechanism, but it is still big enough to be considered a genuine four-seater rather than a ‘plus two’.

The roof features one-touch power operation and Audi is justifiably proud of the mechanism’s speed. Collapsing the hood takes just 15 seconds, raising it takes just 17, and it can be operated while driving at low speeds – perfect for the vagaries of the British summer.

S-Line and S5 convertibles get an ‘acoustic’ hood to reduce noise levels in the cabin. It’s available as an option on lesser versions and really helps to boost cruising refinement.

Despite the sloping roof line, the Sportback gives away just 5mm in rear headroom to the Audi A4 saloon. Under the lengthy tailgate, the Sportback has the same luggage space as the A4 four door. The boot is admirably flat-sided and when the rear seats are folded, the impressively long load bay is nearly flat. Another neat touch if the 70-30 split luggage cover. 

If you are desperate to get hold of a first generation Audi A5 before they go off sale you have predominantly three trims to choose from - S line, Black Edition and S5. The S line trim is hardly an entry-level model, so expect a host of equipment such as - 18in alloys, 6.5in MMI infotainment system with sat nav, DAB and Bluetooth, front and rear parking sensors, xenon headlights, auto lights and wipers, Nappa leather seats, heated front seats and an aggressive S line bodykit.

The Black Edition models get a black styling kit and Audi's music interface, along with 19in alloys and a Bang & Olfsen speaker system. The S5 is a different animal to the standard A5s, with a more aggressive bodykit, an electronic limited slip differential, cruise control, a chrome twin exhaust system. But the headline addition to the S5 is the turbocharged 3.0-litre V6 engine.

The 2017 models will be available in four trims - SE, Sport, S line and S5. The entry-level SE trim comes with 17in alloys, the latest 7in MMI infotainment system with DAB and two USB ports. It will also be equipped with a leather upholstery, three-zone climate control and heated front seats. Opt for the mid-range Sport spec and you will receive sat nav with a three month trial to Audi Connect and electrically adjustable front seats, while the range topper S line trim gets sports suspension and an aggressive bodykit.

The hot S5 gets 19in alloys, a sportier bodykit and suspension, 8.3in MMI infotainment system with 3D mapping and a three-year subscription to Audi Connect, massaging front seats and quad-exhaust system. But new to the Audi A5 range is a range of new safety technology including Audi Pre Sense City, which includes a collision warning system and pedestrian protection system.

ENGINES & PERFORMANCE

Audi A5 fast cornering

As in any Audi, the A5’s engine range is extensive. The entry-level model for all A5s is a four-cylinder petrol 1.8 TFSI with 168bhp. Other petrol motors include a 211bhp 2.0 TFSI and a 268bhp supercharged 3.0 TFSI V6. S5 models get a 328bhp supercharged 3.0-litre V6.

The 175bhp 2.0 TDI is the entry-level diesel. Two V6 engines complete the A5’s diesel line-up; a 3.0 TDI is available with either 201bhp or 242bhp.

The 3.0 TDI feels particularly well suited to the car, delivering appropriately effortless performance and impressive refinement

Despite being the entry-level option, the 1.8 TFSI isn’t found wanting in any department; the 236lb ft of torque means there’s impressive low-end shove for a petrol unit and a 0-62mph sprint of 7.9sec means acceleration is perfectly adequate for most real-world driving situations.

The 2.0 TFSI is best avoided if specced with the seven-speed dual-clutch gearbox and quattro all-wheel drive. Right from the off the (somewhat droning) engine never felt anything like delivering the promised punch at lower revs, though when properly provoked for an overtaking manoeuvre it did come alive.

A supercharged six is an esoteric engine in this type of car but it’s easily one of the best things about the S5, especially when paired to the DSG ’box. It’s lusty and linear right up to the red line and provides explosive overtaking potential from pretty much any speed. No, it doesn’t sound quite as spirited as the V8 that used to power the S-badged Audis. But it’s hardly shy and retiring at full chat, either, and there are clear fuel economy and emissions advantages.

The base common-rail 175bhp 2.0 TDI unit’s spread of usable power is relatively wide, too. And although it’s the least powerful version in the range, it strolls along at a reasonable gait and is still responsive at motorway speeds.

The pair of 3.0 TDI engines feel particularly well suited to the car, delivering appropriately effortless performance and impressive refinement.

RIDE & HANDLING

Audi A5 cornering

The first pothole you take is enough to show that there’s been something of a revelation in Audi’s ride department. The A5 coupé’s long wheelbase and improved weight distribution gives it an impressive secondary ride quality. The second discovery is the A5’s agility; the A5 is very eager to change direction.

The truth is that for all the A5’s advancements it still just trails the BMW 3 Series in driver enjoyment terms if nothing else. Equally the A5’s ride quality may be much better than we’ve come to expect from recent Audis, but on the most demanding of B-roads the A5 can’t match the 3-series’ supple primary ride and taught body control.

S-line models look great, but it comes with a compromise in ride quality

As the A5 cabriolet shares all of its major suspension components with the A5 coupé, you would be justified in expecting the drop-top to put in a similarly composed dynamic performance. The problem, as so often in open-top cars, is torsional rigidity. The body can be felt flexing over bumps and undulations, with noticeable scuttle shake manifesting itself as vibrations in the steering column and a trembling rear-view mirror. It’s a problem at low speeds in town and over uneven country lanes, and it’s bad enough to become the car’s defining dynamic characteristic on most surfaces.

Most frustrating in the bigger and heavier Sportback is a ride that sometimes manages to feel both inelastic and overdamped despite softenings of dampers and anti-roll bars. This, coupled to the A5’s dull reluctance to slice through tight bends, produces a chassis that falls well short of its BMW and Mercedes-Benz opposition. Which is a shame, given how good the standard coupé is. 

MPG & RUNNING COSTS

Audi A5

While BMW may be leading the way in offering more power and performance from its engines, while still lowering CO2 emissions and improving fuel economy, Audi is not very far behind. Recent revisions to the A5 have ensured it remains very competitive.

The changes meant CO2 emissions were down by as much as 22 per cent in some models, and fuel consumption has fallen by 11 per cent on average.

Drive Select switch looks surprisingly low rent for an Audi interior

The entry-level 2.0 TDI coupé returns a remarkable 60.1mpg and emits 122g/km of CO2 when mated to a six-speed manual gearbox. The 168bhp 1.8 TFSI is also impressively frugal in the A5 coupé, economy being rated at 49.6mpg (up from 39.8mpg) and CO2 emissions 134g/km (down from 164g/km at the start of its life).

The 1.8 TFSI A5 Sportback is the cheapest model in the A5 range and its size and style makes it puts it directly up against the BMW 3 Series GT, 4 Series and Mercedes-Benz C-Class CoupéThe same engine is similarly cost-effective in the coupé and cabriolet. Again, there are no real rivals from the opposition.

Generally, the A5 range is better equipped as standard than equivalent BMWs. But as with all these cars it’s easily possible to spend substantially more (one of our test cars had almost £10,000 of toys added to it).

VERDICT

Audi A5 rear quarter

That the A5 is an exceptionally competent and beautifully finished car comes as no real surprise; for Audi to produce anything but would be an absolute shocker.

The A5’s revelation is just how comprehensively Audi has nailed the coupé desirability factor, both inside and out. BMW may still have the edge, but in coupé guise at least the A5 is no longer burdened with the remote and frustrating drive of old Audis.

Audi A5 is a fine coupe model, but cabriolet and Sportback are not as well dynamically executed

In short, the A5 coupé is good enough for even an enthusiast to consider it as a credible rival to the genre-defining 4 Series coupé, and for BMW that should be reason to worry.

As for the A5 cabriolet, it is a fine car that is worthy of serious consideration for those in need of a stylish, practical convertible, except for one significant flaw. In our experience the S-line’s excessively stiff springs ask structural questions that the car’s body isn’t up to answering on rough British roads, so we’d heartily recommend steering clear of it and opt for the softer SE springs instead.

The Sportback, too, suffers similar dynamic shortcomings; it’s undoubtedly a desirable machine, but while its dynamic shortfalls remain unaddressed it’s left well adrift of its domestic rivals.

Generally with A5 models then, less is more. The four-wheel-drive variants at the expensive end of the A5 range may provide better headline-grabbing performance figures, but the entry-level versions offer a sensible all-round proposition at a competitive price – and a much more compelling dynamic proposition to match the desirability. 

It will be interesting to see whether the new A5 and S5 can take the stylish coupé forward, especially in the face in increasing pressure from the BMW 4 Series and the Mercedes-Benz C-Class Coupé.

 

Audi A5 2007-2016 First drives