Audi is a brand that sets the standard for interior quality, and this, combined with its vast and ever-growing model line-up, has helped it become one of the ‘big three’ German prestige car makers, along with BMW and Mercedes-Benz.

The A3 hatchback, A4 executive saloon and Q7 SUV are all common - yet upmarket - sights on UK roads.

At least some of Audi's success over the past 30 years can be attributed to the growth in sales of vehicles with four-wheel drive; the company arguably led the way in bringing 4x4 technology into the mainstream, with its Quattro coupé in the early 1980s.

Today, most Audis are available with at least the option of four-wheel drive, while the list of SUVs from the brand includes the Q2, Q3, Q5 and Q7.

AUDI

In many ways, modern Bentleys offer the best of both worlds, blending traditional British craftsmanship with modern mechanicals developed with the help of the company’s owner, Volkswagen.

The Bentayga SUV, for example, is closely related to Audi’s brilliantly engineered Q7 (another VW Group car). Yet the Bentayga still feels every inch a Bentley, thanks to its hand-finished interior and sonorous V8 engine.

Other Bentleys you can buy today include the Flying Spur&nbsp;saloon&nbsp;and the Continental GT coupé and convertible.

BENTLEY

Munich-based BMW is most famous for its sports saloons, in particular the 3 Series and 5 Series. However, it actually builds almost every type of car imaginable: everything from two-seat convertibles to seven-seat MPVs.

The cheapest model in the BMW range is the 1 Series hatchback, which is a rival to the Audi A3, Mercedes-Benz A-Class and Volkswagen Golf. Meanwhile, at the other extreme is the M8&nbsp;grand tourer, which costs more than £120,000.

BMW was also quick to capitalise on the rise of the SUV and now has ten in its range: the X1, X2, X3, X4, X5, X6, X7 and XM, plus the electric iX3 and iX.

All of this makes it one of the big three German prestige brands, along with Audi and Mercedes-Benz.

Alpina has produced high-performance versions of BMW's range since the 1960s, and is now considered to be a manufacturer in its own right.

Whilst it cars are typically fast, and are often considered alternatives to BMW's M models, they are typically more comfortable with engines that provide a more relaxed power delivery.

Its models have similar naming conventions to the equivalent BMW: the B3 is based on the BMW 3 Series and the B4 Gran Coupé started life as a 4 Series Gran Coupé, for example.

BMW ALPINA

DS has only existed as a standalone manufacturer since 2015&nbsp;(prior to that the badge was used on upmarket&nbsp;Citroëns), but it is now the premium brand in the Stellantis group, which also includes&nbsp;Citroën, Peugeot and Vauxhall.

The first DS models were essentially rebadged Citroëns, but more recently its cars are now standalone models in their own right. Yet under the skin, they're still very closely related.

Its models are&nbsp;influenced by the French fashion industry and are designed&nbsp;to take on the ubiquitous offerings of Audi, BMW and Mercedes.

GENESIS

In the same way that Infiniti acts as Nissan’s premium arm, Lexus has a similar tie-in with Toyota. And since most of Toyota’s models are offered as hybrids, it’s no surprise to see the same from Lexus, although there are some traditional petrol engines, too.

The brand focuses heavily on SUVs – namely the NX and RX – but also has the CT hatchback, ES executive saloon and LS luxury car among its portfolio. More small and large SUVs are expected in the future.

Like Toyota, Lexus has built a very strong reputation for reliability and regularly finishes very close to the top of our annual Reliability Survey.

LEXUS

Do you look at the models of Audi, BMW and Mercedes-Benz and find them all a bit too… common? Well then, Maserati might be up your street.

This Italian car maker has one SUV in its line-up – the Porsche Cayenne-rivalling Levante – but also the Ghibli and Quattroporte saloons, GranTurismo coupé and GranCabrio drop-top.

Despite its long history, Maserati has been through several periods of inactivity but is now in better health thanks to being part of the large Fiat Chrysler Automobiles group.

In the future, we’re expecting to see Maserati grow its SUV range with new models to sit above and below the Levante, as well as a new range-topping sports car.

MASERATI

Mercedes’ line-up is vast – ranging from the A-Class family hatchback through to staple saloons such as the C-Class and E-Class, and onwards towards multiple SUVs, luxury saloons and even sports cars. Coupés and convertibles are thrown into the mix as well.

As one of the ‘big three’ German brands, Mercedes most often finds itself competing with Audi and BMW but more recently has found itself fending off Jaguar and Volvo, too.

Mercedes models are known for comfort. One example of this is the E-Class, because while the Audi A6 has a plusher interior and the BMW 5 Series handles better, the E-Class is probably the most comfortable for a long motorway journey.

MERCEDES-BENZ

Porsche is best known as the quintessential sports car maker, but its line-up is increasingly diverse, interesting and successful, from its SUV family to the Panamera hatchback and shooting brake and, in time, a planned family of electric vehicles.

Whatever your choice, What Car?’s testers rate the cars highly; Porsche has an unusually high percentage of five and four-star cars.

Without exception, its sports cars are class leaders or among the class leaders, standing out for combining driving thrills with surprising luxury and comfort. Likewise, its SUVs are among the sharpest handling, as well as offering high levels of practicality and quality. Meanwhile, the Panamera is a true rival to the very best large executive saloons.

Porsche also sees itself as an electric car pioneer and has already enjoyed sales success with its plug-in hybrid range. Its first all-electric sports car is imminent, signalling the firm’s intent to stay relevant for many years to come.

PORSCHE

When it comes to making a statement about how successful you are, there is no brand that shouts “I’ve made it!” more emphatically than Rolls-Royce.

If that’s all you want from your car, look no further. The firm has expanded its range in recent years, with the top-of-the-range Phantom saloon being joined by the Cullinan SUV, and other models including the Wraith and Ghost.

Whichever way you go, if you have to ask how much it costs, the chances are you can’t afford it. And, even then, the base price is unlikely to be what you end up spending, such is the list of alluring options on offer.

It’s also a moot point whether the cars themselves – rather than the image they portray – represents the very best way to spend your money. What Car?’s testers rate all of them positively but reckon that – if you’re buying with your head rather than your heart – there are other cars that you should also consider.

ROLLS-ROYCE

The Lexus ES has a well-made interior and a hybrid engine but it's outclassed by most luxury car rivals

Lexus ES

The G80 is worth a look if you’re bored of the big-selling European luxury car alternatives

Genesis G80

The DS 9 is a&nbsp;sharp-looking&nbsp;alternative to the usual luxury saloon choices

DS 9

The E-Class is an elegant, well equipped and good to drive executive car that's available as a plug-in hybrid

Mercedes E-Class

The LM&nbsp;does exactly what it says on the tin, but could do with more power options

Lexus LM

The 7 Series is a fine luxury limo&nbsp;but the all-electric i7 offers much lower tax bills&nbsp;as do some PHEV rivals

BMW 7 Series

Luxury car is fast with a beautiful interior,&nbsp;but it's very pricey and could be better to drive

Bentley Flying Spur

Sporty limo&nbsp;can't quite match rivals in the performance or luxury stakes, making it hard to recommend – but the V8 engine is wonderful

Maserati Quattroporte

The A8’s blend of performance, comfort and serenity make it the most relaxing limo you can buy. It's also beautifully built, practical and well equipped

Audi A8

Crushingly fast yet comfortable and refined. Just don’t expect sports car cornering thrills.

Audi S8

Well equipped and distinctive but too flawed in key areas to recommend

Lexus LS

Rapid and comfortable grand tourer, but not a sports car

BMW M8

Impressive luxury car is quiet, comfortable and&nbsp;spacious, but not quite as thrilling to drive as the class best

Audi A6

Luxury car from Porsche is comfortable and superb to drive

Porsche Panamera

More practical than the&nbsp;regular Panamera. Still has huge badge appeal and&nbsp;effortless performance

Porsche Panamera Sport Turismo

The Mercedes S-Class is a comfortable&nbsp;luxury saloon with lots of tech and a fabulously appointed, roomy&nbsp;interior

Mercedes S-Class

Looks swanky and now has a mild-hybrid option, but is off the pace in most other areas.

Maserati Ghibli

Fuel consumption aside, the Alpina B5 combines everyday comfort and usability with staggering performance and exclusivity, even if it can’t quite match the BMW M5

BMW Alpina B5

Those who can afford to buy this exquisite luxury saloon will not be disappointed

Rolls-Royce Ghost

The most luxurious car in the world is exceedingly hard to fault. You’ll need very deep pockets to buy and run one, though.

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