VAUXHALL INSIGNIA (2021)
Running costs, common problems, and reliability data based on 831 real MOT tests in 2024.
MOT Pass Rate
84%
Total Tests (2024)
831
Avg Mileage
44,508 mi
Est. Annual Cost
£1,500
Is the 2021 VAUXHALL INSIGNIA reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 3 years old, 84% of VAUXHALL INSIGNIAs from 2021 passed their MOT first time in 2024. That's based on 831 tests across the UK. The average mileage at this age is 44,508 miles.
How does the 2021 VAUXHALL INSIGNIA compare?
Mileage Analysis
The average 2021 VAUXHALL INSIGNIA has 44,508 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
Best year to buy a VAUXHALL INSIGNIA?
The most reliable year is the 2018 model with a 88% MOT pass rate, while the 2008 model has the lowest at 70%. The 2021 sits between the two at 84%.
How much does a 2021 VAUXHALL INSIGNIA 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 INSIGNIA by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 84% | 831 | 44,508 mi |
| 2020 | 88% | 2,460 | 43,298 mi |
| 2019 | 88% | 13,969 | 58,557 mi |
| 2018 | 88% | 22,193 | 64,781 mi |
| 2017 | 85% | 28,382 | 74,907 mi |
| 2016 | 81% | 40,683 | 87,026 mi |
| 2015 | 80% | 52,530 | 100,077 mi |
| 2014 | 78% | 47,126 | 110,129 mi |
| 2013 | 79% | 39,443 | 115,689 mi |
| 2012 | 78% | 37,494 | 119,018 mi |
| 2011 | 77% | 42,781 | 117,437 mi |
| 2010 | 75% | 26,420 | 117,904 mi |
| 2009 | 74% | 18,505 | 117,419 mi |
| 2008 | 70% | 203 | 98,026 mi |
Checking a specific VAUXHALL INSIGNIA?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 VAUXHALL INSIGNIA
The 2021 VAUXHALL INSIGNIA is a small family car with a 1496cc diesel engine. 831 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It sits in the bottom 94% of 2021 cars for MOT pass rates.
With an average of 44,508 miles at 3 years old, VAUXHALL INSIGNIA owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2021 VAUXHALL INSIGNIA Fuel Costs
The 1496cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £905 per year at current diesel prices of 148p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 VAUXHALL INSIGNIA?
Total estimated annual running cost is £1,500 (£125/month), broken down as £905 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 84% pass rate. Keeping on top of servicing will help avoid surprises.
VAUXHALL INSIGNIA Reliability Trend
Newer VAUXHALL INSIGNIAs show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Buying a Used 2021 VAUXHALL INSIGNIA
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. If you're flexible on year, the 2018 model has the highest pass rate at 88%.
Alternatives to the 2021 VAUXHALL INSIGNIA
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- FORD FOCUS (2019) 89% pass rate (+5%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (+7%) from 89,588 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (+5%) from 65,751 tests
- KIA SPORTAGE (2019) 89% pass rate (+5%) from 58,319 tests