VAUXHALL ASTRA (2021)
Running costs, common problems, and reliability data based on 2,970 real MOT tests in 2024.
MOT Pass Rate
93%
Total Tests (2024)
2,970
Avg Mileage
27,427 mi
Est. Annual Cost
£1,400
Is the 2021 VAUXHALL ASTRA reliable?
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the VAUXHALL brand average of 84%.
At 3 years old, 93% of VAUXHALL ASTRAs from 2021 passed their MOT first time in 2024. That's based on 2,970 tests across the UK. The average mileage at this age is 27,427 miles.
How does the 2021 VAUXHALL ASTRA compare?
Mileage Analysis
The average 2021 VAUXHALL ASTRA has 27,427 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
How much does a 2021 VAUXHALL ASTRA cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
VAUXHALL ASTRA by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 93% | 2,970 | 27,427 mi |
| 2020 | 92% | 4,475 | 26,991 mi |
| 2019 | 89% | 33,060 | 42,098 mi |
| 2018 | 87% | 51,686 | 52,807 mi |
| 2017 | 87% | 75,171 | 60,945 mi |
| 2016 | 85% | 92,988 | 67,472 mi |
| 2015 | 80% | 81,105 | 75,336 mi |
| 2014 | 79% | 90,897 | 83,696 mi |
| 2013 | 79% | 101,969 | 92,423 mi |
| 2012 | 78% | 91,949 | 99,582 mi |
| 2011 | 76% | 80,762 | 103,274 mi |
| 2010 | 74% | 92,611 | 101,930 mi |
| 2009 | 72% | 70,480 | 103,723 mi |
| 2008 | 72% | 73,447 | 110,589 mi |
| 2007 | 71% | 71,923 | 112,772 mi |
| 2006 | 70% | 44,771 | 110,721 mi |
| 2005 | 69% | 29,377 | 109,353 mi |
| 2004 | 71% | 15,813 | 105,208 mi |
| 2003 | 72% | 13,965 | 107,198 mi |
| 2002 | 69% | 10,704 | 106,657 mi |
| 2001 | 71% | 5,902 | 102,050 mi |
| 2000 | 70% | 3,065 | 102,733 mi |
| 1999 | 69% | 3,316 | 102,882 mi |
| 1998 | 70% | 1,873 | 95,727 mi |
| 1997 | 71% | 1,790 | 90,370 mi |
| 1996 | 72% | 988 | 94,211 mi |
| 1995 | 74% | 1,055 | 96,905 mi |
| 1994 | 77% | 750 | 95,369 mi |
| 1993 | 77% | 540 | 96,579 mi |
| 1992 | 84% | 207 | 90,202 mi |
| 1991 | 89% | 290 | 82,574 mi |
| 1990 | 86% | 293 | 81,120 mi |
Checking a specific VAUXHALL ASTRA?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 VAUXHALL ASTRA
The 2021 VAUXHALL ASTRA is a city car with a 1199cc petrol engine. 2,970 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 27,427 miles at 3 years old, VAUXHALL ASTRA owners cover more miles than the average driver.
2021 VAUXHALL ASTRA Fuel Costs
The modest 1199cc petrol engine keeps fuel costs low, which is a real advantage for a city car. Expect around 50 mpg in mixed driving, which works out to roughly £955 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 VAUXHALL ASTRA?
Total estimated annual running cost is £1,400 (£117/month), broken down as £955 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
VAUXHALL ASTRA Reliability Trend
Newer VAUXHALL ASTRAs show better MOT pass rates than older ones, with an average improvement of 6 percentage points.
Buying a Used 2021 VAUXHALL ASTRA
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet.
Alternatives to the 2021 VAUXHALL ASTRA
The VAUXHALL ASTRA is actually the most reliable option among similar petrol city cars from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2019) 91% pass rate (-2%) from 124,950 tests
- VOLKSWAGEN GOLF (2019) 92% pass rate (-1%) from 89,653 tests
- VAUXHALL CORSA (2019) 88% pass rate (-5%) from 68,639 tests
- NISSAN QASHQAI (2020) 93% pass rate (same) from 52,321 tests