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Review

Last updated: 14th October 2016

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Review

BMW 3 Series Saloon (2015 - ) review

The BMW 3 Series has set the standard for a generation of sporty saloons, but now has more competition to face than ever before. Is the latest version still top-dog?

Last updated: 14th October 2016
The Auto Trader expert verdict: 4.1 The latest 3 Series sticks obediently to the tried and tested formula. It offers keen drivers plenty of reward, has a brilliant automatic gearbox, and some of the lowest running costs for any company car. However, it's not quite as thrilling to drive as the Jaguar XE, nor as refined as the latest Audi A4. Still, it has such a wide range of abilities that, as an all-rounder, it's still one of the best small saloons.

Pros

  • Entertaining handling
  • Strong performance
  • Wide range of engines

Cons

  • Gruff diesels
  • Misses out some safety kit
  • Not as plush inside as rivals

Interested in buying BMW 3 Series?

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Exterior Our rating 3/5

2015 BMW 320d ED Plus auto If you look closely, the slim headlights are now further apart than before, and come with the option of full LED illumination

The BMW 3 Series is a car that has evolved steadily over time, and the bulk of the changes for 2015 are rather hard to spot unless you’re a brand historian. If you do look closely, though, the slim headlights are now set further apart than before, and come with the option of full LED illumination for the first time. There’s a pair of larger air-intakes integrated into the front bumper, and the two 'kidney' grilles can be had in different trims, including chrome, silver or black. The 3 Series has three distinct design themes. Sport models have a more aggressive look courtesy of gloss black air intakes, grilles and tailpipes. Cars in Luxury trim have more chrome details and multi-spoke alloys. The priciest M Sport versions get deeper and more aggressive bumpers and lightweight alloy wheels. Efficient Dynamics models also feature a subtly tweaked front end to maximise the aerodynamics, though you’d have to be eagle-eyed to spot the changes, even up close.

Interior Our rating 4/5

Interior quality is marginally improved, but the 3 Series is no longer the class benchmark in this area; that honour falls to the Audi A4. A standard 6.5-inch screen sits above the central air vents, adding to the visual appeal and functionality of the cabin. The latest model has a few extra smatterings of gloss black plastic and chrome on the climate and stereo control clusters. On lower trim levels, though, major touch points like the steering wheel and seat adjusters don't feel as premium as they should. Design themes are carried over from the exterior, so Sport models get gloss black trim with red highlights, chrome rings around the dials and red stitching. The Luxury trim adds Dakota leather and chrome interior trim, with wood door cappings. M Sport buyers will love its black interior with numerous ‘M’ logos and the thick-rimmed three-spoke steering wheel. The driving position is good, especially with the wonderfully supportive sports seats fitted, and visibility is excellent, especially compared with thick-pillared rivals like the Jaguar XE.

Practicality Our rating 4/5

2015 BMW 320d ED Plus auto The 3 Series has always done a decent job of catering for the driver and three adults

None of the cars in this class manage to offer the kind of space you'd find in their larger equivalents, which aren't too far away on price, but the 3 Series has always done a decent job of catering for the driver and three adults. It offers more generous head- and legroom in the back than a lot of its competitors, and doesn’t feel narrow or cramped up front like a Jaguar XE. Still, a raised transmission tunnel does mean fitting three across the rear bench is a little tricky. Unlike in the new Audi A4, if you want folding rear seats backs for added flexibility, they are a costly optional extra. It compares well against its rivals for boot space, though, with a well-shaped and roomy 480 litres of luggage space; exactly the same as you get from the A4 and the C-Class.

Ride and handling Our rating 4/5

BMW has set the pace for ride and handling in this class for as long as anyone can remember. Now, though, the Jaguar XE has stolen that mantle, offering a sweeter balance between a cushy motorway ride and sharp, agile cornering. Make no mistake, the BMW is still a really good car to drive, but the optional steering systems (there are two to choose from) don’t add much to the overall experience and the ride is just a touch firmer at low speeds than in the Jaguar. The 3 Series always feels balanced and composed, making it a pleasure to drive, even on tricky roads, but the size of wheels - and the type of tyres they are shod in - will have a big impact on the amount of grip available. So will your choice of rear-wheel drive or four-wheel drive (known as xDrive); both are grippy, but the xDrive appreciably more so. As impressive as the 3 Series is, however, we must temper our praise with a caveat. So far, we've only driven it on the optional Adaptive suspension, which stiffens the suspension and sharpens the steering and throttle response according to which driving mode you select. It's very effective, but we don't yet know how the car rides or handles on its standard suspension setup. If it's anything like the pre-facelift car, it won't be nearly as impressive on either count.

Performance Our rating 5/5

2015 BMW 320d ED Plus auto Even in eco-friendly trim, the 320d feels strong, accelerating from 0-62mph a fair bit quicker than its rivals

The 3 Series really does have an enviable line-up of power plants to choose from, all of which perform well. On the diesel side, the range goes from a modest 114bhp in the four-cylinder 316d, to a towering 309bhp in the straight-six, twin-turbo 335d. Most buyers are likely to pick the 320d, with 187bhp, or the de-tuned 161bhp version in the 320d ED. Still, even in eco-friendly trim, the 320d feels strong, accelerating from 0-62mph a fair bit quicker than its rivals. It feels punchy, too, especially when paired with the optional eight-speed automatic gearbox, which delivers lightning-fast changes without any awkward delays. The six-speed manual is fine, but the springy clutch won’t suit those who want to relax while behind the wheel. On the petrol side, there’s now a three-cylinder 1.5-litre unit (borrowed from Mini) in the entry-level 318i. We’ve not yet tried this model, or the 340i, which produces an M3-worrying 318bhp.

Running costs Our rating 4/5

Company car drivers love the 3 Series, and that’s partly because it costs so little to run. Most rivals do offer models that emit less than 100g/km of CO2, but the 3 Series is the only one that does so with an automatic gearbox fitted. The 320d ED on low-rolling resistance tyres and 16-inch alloys also returns 74.3mpg, right up there with the best saloons in this class. Even the four-wheel drive 320d xDrive manages to dip below 120g/km. Low leasing costs, robust residual values and reasonable insurance groups also make welcome reading for fleet buyers. The generous spec of the ED Plus versions also means there is no need to fork out more for options, keeping your monthly bills lower.

Reliability Our rating 4/5

2015 BMW 320d ED Plus auto Trawl the owners reviews on our own website and it’s hard to find a dissatisfied customer

Sadly, the Warranty Direct Reliability Index still doesn’t provide much useful information on the previous 3 Series, but as a brand, BMW outperforms its major competitors like Jaguar, Mercedes and Audi, all of which sit lower in the manufacturer table. Trawl the owner reviews on our own website and it’s hard to find a dissatisfied customer. Whilst a few report the odd electrical gremlin with the iDrive system, and make note of the noisy engine, none say they have had any major mechanical issues, which is hopefully a good indicator of the robustness of the latest version. BMW has several reasonable fixed-price service plans to choose from to keep the worry of large bills away, and three-year/60,000-mile standard warranty cover.

Safety Our rating 4/5

The 3 Series has all the usual equipment you’d expect to find, including Isofix mounting points for child seats, six airbags and two types of clever electronic safety nets for when the road gets slippery, to name a few. It can be upgraded to include a brilliant head-up display that projects key info onto the windscreen, or the ‘Driving Assistant’ pack, which includes loads of different sensors and monitors, such as lane departure warning and forward collision assist. It also has a system that’ll brake for you at speeds below 35mph if it senses you’re about to hit something, to prevent the kind of nasty shunts that often occur on clogged city commutes. However, this kit is optional, where rival cars include it as standard, and the Merc C-Class goes one (well, two) better, with eight standard airbags.

Equipment Our rating 4/5

2015 BMW 320d ED Plus auto BMW has simplified the situation by giving every 3 Series its Business sat-nav

Picking the options on your premium saloon is a devilishly tricky art; which are going to give you the best value, and which will needlessly push up the list price? BMW has simplified this situation somewhat by giving every 3 Series its Business sat-nav as standard. Every model also has reversing sensors, cruise control, automatic lights and wipers, DAB radio and Bluetooth connectivity. The frugal ED Plus versions get full leather upholstery and heated front seats, while Sport variants have larger alloys, a sportier steering wheel and supportive seats. Top of the range M Sport models get a lot of visual flair but not much in the way of added interior kit. As with any premium model, though, we’d advise against going too mad with the options, as the price will quickly start to spiral upwards.

Why buy? Our rating 5/5

The 3 Series is as good to drive as ever, and even in its most frugal guise, it has the performance to outrun most of its rivals. Low emissions, decent practicality and an excellent infotainment system all make it a fine all-rounder. The Jag XE is a slightly sharper driver’s car, the Mercedes C-Class feels that bit nicer inside and the Audi A4 is more refined, so make sure you choose between them wisely.

Interested in buying BMW 3 Series?

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Our recommendations

Pick of the range
BMW 320d ED Sport auto
A strong engine and lots of grip make this the best 3 to drive, but it's frugal, too
Most economical
BMW 320d ED Plus auto
CO2 emissions of 99g/km and an official 74.3mpg, but it comes on dinky wheels
Blow the budget
BMW 330d xDrive M Sport
Weapons-grade performance, excellent refinement and reasonable running costs