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Audi A3 vs Honda Civic

Figures updated

The Audi A3 and Honda Civic are two of the UK's most popular family hatchbacks. We compare the A3 8Y Sportback (2020–) and the Mk11 e:HEV (2022–) Civic on price, size, boot space, performance, safety and running costs, plus how reliable each has been across 666,344 real MOT tests.

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The short answer

Pick the Audi A3 for the lower price, the better MOT record and lower fuel costs, or the Honda Civic for the bigger boot.

FigureAudi A3A3 8Y Sportback (2020–), 5-door hatchback (Sportback)Honda CivicMk11 e:HEV (2022–), 5-door hatchback
Price and practicality
Price newUK list prices, across the rangefrom £28,650June 2026 price list (best)£34,325 to £39,295October 2026 price list
Body5-door hatchback (Sportback)5-door hatchback
Seats55
BootSeats up / folded380 litres / 1,200410 litres (best)
Length4,343mm4,560mm
WidthWithout mirrors–1,802mm
Height–1,408mm
Performance
Power110–204 PS (best)184 PS
0–62mph7.4–10.6 sec (best)7.8–8.1 sec
Safety
Euro NCAP ratingTests get tougher each year★★★★★ (2020)★★★★★ (2022)
Economy and emissions
Fuel typesDiesel, Hybrid, Petrol, Plug-in hybridHybrid, Petrol
Official economyVersions of this generation50.4–58.9 mpg33.2–60.1 mpg
CO26–128 g/km108–193 g/km
Running costs at 7,500 miles a year
Petrol or hybrid171.5p a litre, today's UK average£1,118 (52.3 mpg) (best)£1,282 (45.6 mpg)
Diesel198.4p a litre£1,148 (58.9 mpg)–
Cheapest version to fuelWhichever fuel costs least£1,118 (petrol)£1,282 (petrol)
Car tax a yearCars registered from April 2017£200£200
Reliability from real MOT tests
Reliability score124Well above average (best)106Above average
Failed MOT first time (ages 3–20)24.9% (best)32.4%
Failed at 3 years old10.7%8.8% (best)
Failed at 5 years old12.3% (best)14.4%
Failed at 10 years old23.6%24.3%
Most common MOT faultTread depth (2.9% of tests)Position lamp (5.3% of tests)
Fails more than average onNothing stands outNothing stands out
MOT tests analysed410,672255,672
About the cars
TypeFamily hatchbackFamily hatchback
Owners' average miles a year8,9007,600
On sale2020 on2022 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.

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Frequently asked questions

›Is the Audi A3 or the Honda Civic more reliable?

The Audi A3. Like for like on age and mileage, the Honda Civic fails its MOT about 17% more often (reliability scores 124 and 106, where 100 is average). 24.9% of Audi A3s and 32.4% of Honda Civics failed first time in 2024.

›Which is bigger, the Audi A3 or the Honda Civic?

The Honda Civic is 217mm longer (4,560mm against 4,343mm). The Honda Civic has the bigger boot: 410 litres against 380.

›Which is cheaper to buy, the Audi A3 or the Honda Civic?

The Audi A3: new prices start at £28,650, £5,675 less than the Honda Civic (from £34,325). These are manufacturer list prices; dealers and brokers often sell for less.

›Which is cheaper to run, the Audi A3 or the Honda Civic?

Comparing petrol versions, the Audi A3 costs about £164 a year less to fuel at 7,500 miles (£1,118 against £1,282), using typical official economy and current UK average fuel prices.

›Which is safer, the Audi A3 or the Honda Civic?

Euro NCAP gave the Audi A3 5 stars (2020) and the Honda Civic 5 stars (2022). Euro NCAP makes its tests tougher every few years, so ratings from different years aren't directly comparable.

›Should I buy the Audi A3 or the Honda Civic?

Pick the Audi A3 for the lower price, the better MOT record and lower fuel costs, or the Honda Civic for the bigger boot. 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.