CarComparison home

Compare cars on reliability and running costs, and check any car by its reg

Ford Focus vs SEAT Leon

Figures updated

The Ford Focus and SEAT Leon are two of the UK's most popular family hatchbacks. We compare the Mk4 (2018–2025) Focus and the Mk4 (2020–) Leon on price, size, boot space, performance, safety and running costs, plus how reliable each has been across 1,087,247 real MOT tests.

Change cars or mileage

The short answer

Pick the Ford Focus for more performance, or the SEAT Leon for the better MOT record.

FigureFord FocusMk4 (2018–2025), 5-door hatchbackSEAT LeonMk4 (2020–), 5-door hatchback
Price and practicality
Price newUK list prices, across the range–£25,995 to £40,165July 2026 price list
Body5-door hatchback5-door hatchback
Seats55
BootSeats up / folded375 litres / 1,354380 litres
Length4,382mm4,368mm
WidthWithout mirrors1,825mm1,800mm
Height1,471mm1,456mm
Performance
Power85–280 PS (best)115–204 PS
0–62mph5.7–13.5 sec (best)7.7–10.4 sec
Safety
Euro NCAP ratingTests get tougher each year★★★★★ (2018)★★★★★ (2025)
Economy and emissions
Fuel typesDiesel, Hybrid, PetrolDiesel, Petrol, Plug-in hybrid
Official economyVersions of this generation35.8–70.6 mpg47.9–65.7 mpg
CO2106–180 g/km28–134 g/km
Running costs at 7,500 miles a year
Petrol or hybrid171.7p a litre, today's UK average£1,180 (49.6 mpg)£1,162 (50.4 mpg)
Diesel198.4p a litre£1,054 (64.2 mpg) (best)£1,102 (61.4 mpg)
Cheapest version to fuelWhichever fuel costs least£1,054 (diesel)£1,102 (diesel)
Car tax a yearCars registered from April 2017£200£200£640 in years 2–6 for versions listed over £40,000
Reliability from real MOT tests
Reliability score101Average116Well above average (best)
Failed MOT first time (ages 3–20)31.5%23.6% (best)
Failed at 3 years old11.4% (best)12.3%
Failed at 5 years old17.0% (best)18.3%
Failed at 10 years old34.1%24.3% (best)
Most common MOT faultPosition lamp (3.8% of tests)Coil spring (2.8% of tests)
Fails more than average onNothing stands outNothing stands out
MOT tests analysed905,513181,734
About the cars
TypeFamily hatchbackFamily hatchback
Owners' average miles a year8,0009,400
On sale2018–20252020 on

Green marks the better figure where the difference is more than 3%. Reliability figures cover every version of each model tested in the year. Running costs use the typical official economy of recent versions (WLTP where available); real-world economy is usually a little worse for every car.

More comparisons

Frequently asked questions

›Is the Ford Focus or the SEAT Leon more reliable?

The SEAT Leon. Like for like on age and mileage, the Ford Focus fails its MOT about 15% more often (reliability scores 116 and 101, where 100 is average). 23.6% of SEAT Leons and 31.5% of Ford Focuses failed first time in 2024.

›Which is bigger, the Ford Focus or the SEAT Leon?

They're almost the same length (4,382mm and 4,368mm). Their boots are much the same: 375 and 380 litres.

›Which is cheaper to run, the Ford Focus or the SEAT Leon?

Comparing petrol versions, fuel costs are within £18 a year of each other at 7,500 miles, using typical official economy and current UK average fuel prices.

›Which is safer, the Ford Focus or the SEAT Leon?

Euro NCAP gave the Ford Focus 5 stars (2018) and the SEAT Leon 5 stars (2025). Euro NCAP makes its tests tougher every few years, so ratings from different years aren't directly comparable.

›Should I buy the Ford Focus or the SEAT Leon?

Pick the Ford Focus for more performance, or the SEAT Leon for the better MOT record. The comparison above sets out price, space, performance, safety, running costs and reliability side by side.

Sources: manufacturers' UK specifications and price lists and Euro NCAP (listed on each model's page); DVSA anonymised MOT tests 2024 (Open Government Licence v3.0); Vehicle Certification Agency car fuel data, © Crown copyright, VCA cannot accept liability for its accuracy; fuel prices from the GOV.UK Fuel Finder scheme. Photos from Wikimedia Commons, credited under each picture.