Vauxhall Astra vs Audi A3
Figures updated
The Vauxhall Astra and Audi A3 are two of the UK's most popular family hatchbacks. We compare the Astra L (2022–) and the A3 8Y Sportback (2020–) on price, size, boot space, performance, safety and running costs, plus how reliable each has been across 1,035,332 real MOT tests.
The short answer
Pick the Vauxhall Astra for the lower price and the bigger boot, or the Audi A3 for the better MOT record.
- The Vauxhall Astra is the cheapest to buy new: from £27,495, £1,155 less than the Audi A3.
- The Vauxhall Astra has the biggest boot: 422 litres, 42 more than the Audi A3.
- Euro NCAP safety: Vauxhall Astra 4 stars (2022), Audi A3 5 stars (2020). Ratings from different years aren't directly comparable, as the tests get tougher.
- The Audi A3 has the better MOT record. Like for like on age and mileage, the Vauxhall Astra fails its MOT about 25% more often.
- Running costs are close: the petrol versions cost within £21 a year of each other to fuel at 7,500 miles a year.
- Watch the exhaust and emissions on a Vauxhall Astra: it fails on them 1.4 times as often as the average car.
| Figure | Vauxhall AstraAstra L (2022–), 5-door hatchback | Audi A3A3 8Y Sportback (2020–), 5-door hatchback (Sportback) |
|---|---|---|
| Price and practicality | ||
| Price newUK list prices, across the range | £27,495 to £33,995May 2026 price list (best) | from £28,650June 2026 price list |
| Body | 5-door hatchback | 5-door hatchback (Sportback) |
| Seats | 5 | 5 |
| BootSeats up / folded | 422 litres / 1,339 (best) | 380 litres / 1,200 |
| Length | 4,374mm | 4,343mm |
| WidthWithout mirrors | 1,859mm | – |
| Height | 1,441mm | – |
| Performance | ||
| Power | 130–195 PS | 110–204 PS (best) |
| 0–62mph | 7.6–9.7 sec | 7.4–10.6 sec |
| Safety | ||
| Euro NCAP ratingTests get tougher each year | ★★★★★ (2022) | ★★★★★ (2020) |
| Economy and emissions | ||
| Fuel types | Electric, Petrol, Plug-in hybrid | Diesel, Hybrid, Petrol, Plug-in hybrid |
| Official economyVersions of this generation | 45.0–62.6 mpg | 50.4–58.9 mpg |
| CO2 | 43–142 g/km | 6–128 g/km |
| Electric range | 237–267 miles | – |
| Running costs at 7,500 miles a year | ||
| Petrol or hybrid171.7p a litre, today's UK average | £1,098 (53.3 mpg) | £1,119 (52.3 mpg) |
| Diesel198.4p a litre | – | £1,148 (58.9 mpg) |
| Electric, charged at home26.3p per kWh standard tariff | £548 (4 mi/kWh) | – |
| Cheapest version to fuelWhichever fuel costs least | £548 (electric) | £1,119 (petrol) |
| Car tax a yearCars registered from April 2017 | £200 | £200 |
| Reliability from real MOT tests | ||
| Reliability score | 99Average | 124Well above average (best) |
| Failed MOT first time (ages 3–20) | 33.8% | 24.9% (best) |
| Failed at 3 years old | 12.4% | 10.7% (best) |
| Failed at 5 years old | 17.9% | 12.3% (best) |
| Failed at 10 years old | 32.8% | 23.6% (best) |
| Most common MOT fault | Coil spring (5.1% of tests) | Tread depth (2.9% of tests) |
| Fails more than average on | Exhaust and emissions (1.4×) | Nothing stands out |
| MOT tests analysed | 624,660 | 410,672 |
| About the cars | ||
| Type | Family hatchback | Family hatchback |
| Owners' average miles a year | 8,000 | 8,900 |
| On sale | 2022 on | 2020 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 Vauxhall Astra or the Audi A3 more reliable?
The Audi A3. Like for like on age and mileage, the Vauxhall Astra fails its MOT about 25% more often (reliability scores 124 and 99, where 100 is average). 24.9% of Audi A3s and 33.8% of Vauxhall Astras failed first time in 2024.
›Which is bigger, the Vauxhall Astra or the Audi A3?
The Vauxhall Astra is 31mm longer (4,374mm against 4,343mm). The Vauxhall Astra has the bigger boot: 422 litres against 380.
›Which is cheaper to buy, the Vauxhall Astra or the Audi A3?
The Vauxhall Astra: new prices start at £27,495, £1,155 less than the Audi A3 (from £28,650). These are manufacturer list prices; dealers and brokers often sell for less.
›Which is cheaper to run, the Vauxhall Astra or the Audi A3?
Comparing petrol versions, fuel costs are within £21 a year of each other at 7,500 miles, using typical official economy and current UK average fuel prices.
›Which is safer, the Vauxhall Astra or the Audi A3?
Euro NCAP gave the Vauxhall Astra 4 stars (2022) and the Audi A3 5 stars (2020). Euro NCAP makes its tests tougher every few years, so ratings from different years aren't directly comparable.
›Should I buy the Vauxhall Astra or the Audi A3?
Pick the Vauxhall Astra for the lower price and the bigger boot, or the Audi A3 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.