Skip advert
Advertisement

BMW 520d SE

This is the model that will account for over 70 per cent of 5-Series sales. How good is it?

THIS is the moment of truth for BMW’s executive contender. While the 530d has already beaten all-comers in the sector – including the Jaguar XF and Mercedes E-Class – the 520d is expected to account for 72 per cent of 5-Series sales, making it the most popular variant.

One thing the entry-level diesel shares with other models in the line-up is its conservative, understated styling. But the flared kidney grille nostrils and distinctive headlamps provide the newcomer with a purposeful face.

Advertisement - Article continues below

The low-key approach extends to the cabin. Anyone familiar with the larger 7-Series will feel immediately at home inside, as the interior has a high-class, luxury air. Leather upholstery and Bluetooth connectivity are standard.

The excellent driving position offers unrivalled scope for adjustment, and the latest iDrive cabin control set-up is more intuitive than ever – although Audi’s MMI system is easier to get to grips with.

We don’t have many criticisms, but cubby storage is limited and the steering wheel rim is unnaturally thick. What’s more, there’s nowhere to put the key – and as you need to plip the fob to get in (the car has keyless start, but not entry), this is irritating. A final gripe is revealed as you try to pull away, because the electronic handbrake doesn’t release automatically, like most rival systems.

Strong

Once up and running, the four-cylinder common-rail engine is hushed and gives excellent pace. It’s a superb performer, with 181bhp, and peak torque of 380Nm arrives at 1,900rpm – so the BMW pulls strongly and smoothly across the range.

Skip advert
Advertisement
Skip advert
Advertisement - Article continues below

Used - available now

X5

2023 BMW

X5

34,245 milesAutomaticDiesel3.0L

Cash £49,990
View X5
3 Series

2025 BMW

3 Series

7,103 milesAutomaticPetrol3.0L

Cash £46,788
View 3 Series
Q2

2020 Audi

Q2

41,087 milesManualPetrol1.5L

Cash £13,697
View Q2
C-Class Saloon

2018 Mercedes

C-Class Saloon

58,191 milesManualPetrol2.0L

Cash £12,997
View C-Class Saloon

At the track, the superior traction off the line gave the 520d an advantage. It left its rivals trailing with a 0-60mph time of 8.1 seconds. On the road, the performance gap is much smaller, as indicated by our in-gear tests.

It really scores at the pumps, as BMW’s EfficientDynamics technology works a treat. Stop/start is standard on manual models, and the 520d has brake regeneration, low-rolling-resistance tyres and electric power-steering. The result is a class-leading CO2 output of 129g/km and an excellent 37.4mpg fuel return. Yet this doesn’t come at the expense of the sharp responses, agility and grip we expect from the brand. It feels like a smaller car from behind the wheel, and is the most engaging choice along twisty roads.

But it’s not perfect. Run-flat tyres are standard and, on our car’s optional 18-inch rims, they provide a firm ride – even though the model has variable dampers. When you’re going faster, the power-steering is heavy, too, and to stay on course on motorways, you find yourself making minor adjustments which aren’t needed in rivals.

For a car that’s designed to spend much of its time cruising, this is a pity.

The rest of the package is incredibly polished, though, and it makes as much sense on paper as it does on tarmac.

Details

Chart position: 1
WHY: Impressively low emissions mark out new 520d as something special. Does it make too many sacrifices in name of efficiency?

Skip advert
Advertisement

New & used car deals

Dacia Spring

Dacia Spring

RRP £14,995Avg. savings £2,674 off RRP*
Skoda Kodiaq

Skoda Kodiaq

RRP £39,045Avg. savings £3,528 off RRP*Used from £8,970
MG MG4

MG MG4

RRP £27,005Avg. savings £6,250 off RRP*Used from £10,377
Kia Sportage

Kia Sportage

RRP £28,085Avg. savings £3,028 off RRP*Used from £13,290
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Most Popular

Used Cupra Born (Mk1, 2021-date) buyer's guide: the EV the VW ID.3 wishes it was
Used Cupra Born - front

Used Cupra Born (Mk1, 2021-date) buyer's guide: the EV the VW ID.3 wishes it was

A full used buyer's guide on the Cupra Born that's been on sale in the UK since 2021
Used car tests
6 Apr 2026
Best car engines of all time
Best car engines - header image

Best car engines of all time

What makes a great internal-combustion motor? We explain why these petrols, diesels and even a hybrid made the list
Features
3 Apr 2026
Long-term test: Dacia Bigster Journey hybrid 155
Dacia Bigster Journey hybrid 155 - header

Long-term test: Dacia Bigster Journey hybrid 155

First report: New SUV joins our fleet and starts life with a road trip to Kent
Long-term tests
6 Apr 2026