Skip advert
Advertisement

New SEAT Leon ST Cupra 300 Carbon Edition 2018 review

If you’re after a fast estate car the SEAT Leon ST Cupra is a top choice, but fewer than 50 of this limited run are UK-bound

Find your SEAT Leon
Compare deals from trusted partners on this car and previous models.
Or are you looking to sell your car?
Value my car
Fast, no-nonsense car selling
Value my car

Even in its advancing years, the SEAT Leon ST Cupra remains a fine choice for those after a fast estate car. We’d argue whether this Carbon Edition model is worth the extra cash, but many will favour it on exclusivity alone. Fewer than 50 will come to the UK, so if you want one you’ll need to act fast.

Advertisement - Article continues below

It’s not uncommon for car makers to launch revenue generating special editions as a model reaches the end of production.

Late last year, SEAT presented the limited run Leon Cupra R – a kit-laden, tuned version of the standard hot hatch. Now it’s the turn of the Leon ST estate, driven here for the first time in Carbon Edition trim.

SEAT Leon ST estate in-depth review

The tweaks are less extensive than those on the Cupra R, but exclusivity is on par. SEAT won’t divulge exactly how many are reserved for British buyers, but we’re told “fewer than 50” will reach UK showrooms. Priced from £35,575, that’s £2,400 more than the 4DRIVE and DSG-equipped model on which it is based.

For your extra cash you get – as the name suggests – plenty of carbon trinkets. Available only in Monsoon Grey, the Cupra 300 Carbon Edition gets carbon fibre side blades, as well as carbon fibre front and rear diffusers. There’s a set of unique 19-inch alloy wheels, and quad-exit exhausts.

Skip advert
Advertisement
Skip advert
Advertisement - Article continues below

Used - available now

Duster

2022 Dacia

Duster

32,850 milesManualPetrol1.0L

Cash £11,995
View Duster
Jogger

2023 Dacia

Jogger

23,011 milesManualPetrol1.0L

Cash £14,595
View Jogger
EQC

2023 Mercedes

EQC

39,561 milesAutomaticElectric

Cash £23,000
View EQC
Golf

2024 Volkswagen

Golf

57,816 milesManualPetrol1.0L

Cash £14,300
View Golf

Unlike the Cupra hatch, which recently saw a 10bhp power dip due to the latest WLTP emissions regulations, the estate version retains its 296bhp 2.0-litre turbo engine. The only mechanical alterations for the Carbon Edition, in fact, are the Brembo brakes, which add fierce stopping power to the ST’s performance roster.

Advertisement - Article continues below

Otherwise, this Leon drives just like the standard Cupra. It feels ferociously quick, but with the added security of all-wheel drive, the wagon doesn’t squirm quite like the hatch. It offers traction in spades, with very little body roll through fast corners.

Despite using the older six-speed DSG transmission, the gearbox shifts quickly and smoothly. The short paddles aren’t as tactile as those in some of the SEAT’s rivals, however, and even in manual mode it’ll change cogs automatically as it hits the redline. In Cupra mode, full throttle upshifts are accompanied by a fabricated rasp from the exhaust.

The ride isn’t quite as accomplished as in a Volkswagen Golf R Estate, and refinement – especially on these 19-inch wheels – is particularly poor. Road noise is apparent from little more than town speeds, while rough motorways create an intrusive din. Still, the Cupra-branded bucket seats are supportive and comfortable on longer runs.

Along with all the carbon add-ons, this was our first opportunity to try SEAT’s Audi-inspired digital cockpit dials. While they are easily configurable using the steering wheel-mounted controls, the graphics aren’t as sophisticated and the fonts feel less premium. It’s a shame, because functionality is fantastic, with the ability to show full-screen mapping, trip detail and media info – all in place of the conventional speedo and rev counter.

Elsewhere, quality is good, if (again) a little way shy of the equivalent Volkswagen. The biggest problem, however, is the Golf is ever so slightly cheaper than this limited run Leon, too.

Skip advert
Advertisement
Deputy editor

Richard has been part of the team for over a decade. During this time he has covered a huge amount of news and reviews for Auto Express, as well as being the face of Carbuyer and DrivingElectric on Youtube. In his current role as deputy editor, he is now responsible for keeping our content flowing and managing our team of talented writers.

New & used car deals

Volkswagen Tiguan

Volkswagen Tiguan

RRP £38,030Avg. savings £3,517 off RRP*Used from £11,250
Toyota Yaris Cross

Toyota Yaris Cross

RRP £27,245Avg. savings £2,053 off RRP*Used from £15,202
MG MG4

MG MG4

RRP £27,005Avg. savings £6,825 off RRP*Used from £9,113
Vauxhall Corsa

Vauxhall Corsa

RRP £19,690Avg. savings £5,988 off RRP*Used from £10,549
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Most Popular

Jaecoo 7 recalled: a quarter of all brand’s 2025 UK cars going back to dealers
Jaecoo 7 - front action

Jaecoo 7 recalled: a quarter of all brand’s 2025 UK cars going back to dealers

The Chinese brand has initiated a recall for roughly 7,500 Jaecoo 7 models due to an incorrectly attached wiring harness clip
News
6 Mar 2026
New Dacia Jogger Hybrid 155 review: frugal family car makes tons of sense in town
Dacia Jogger Hybrid 155 - front tracking

New Dacia Jogger Hybrid 155 review: frugal family car makes tons of sense in town

Dacia's MPV goes well with hybrid power, but it can get a bit thirsty on longer trips
Road tests
6 Mar 2026
New Mazda CX-5 2026 review: spacious SUV is a step in the wrong direction
Auto Express news reporter Ellis Hyde standing next to a Mazda CX-5

New Mazda CX-5 2026 review: spacious SUV is a step in the wrong direction

The new CX-5 a fair bit different to the old model, but that's not necessarily a good thing
Road tests
6 Mar 2026