CarCostCheck

VAUXHALL INSIGNIA (2018)

Running costs, common problems, and reliability data based on 22,193 real MOT tests in 2024.

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MOT Pass Rate

88%

Total Tests (2024)

22,193

Avg Mileage

64,781 mi

Est. Annual Cost

£1,632

Is the 2018 VAUXHALL INSIGNIA reliable?

Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%. It also outperforms the VAUXHALL brand average of 84%.

At 6 years old, 88% of VAUXHALL INSIGNIAs from 2018 passed their MOT first time in 2024. That's based on 22,193 tests across the UK. The average mileage at this age is 64,781 miles.

How does the 2018 VAUXHALL INSIGNIA compare?

Rank among all 2018 cars434th out of 649(top 67%)
Rank among all VAUXHALL models364th out of 882(top 41%)
vs national average+6% (82% avg)
vs 2018 cars average-1% (89% avg)
vs VAUXHALL average+4% (84% avg)

Mileage Analysis

The average 2018 VAUXHALL INSIGNIA has 64,781 miles on the clock, which is above the expected 44,400 miles for a 6-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 2018 VAUXHALL INSIGNIA cost to run?

⛽Fuel (Diesel, 1956cc)
£1,037
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,632
Per month£136/mo

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

YearPass RateTestsAvg Mileage
202184%83144,508 mi
202088%2,46043,298 mi
201988%13,96958,557 mi
201888%22,19364,781 mi
201785%28,38274,907 mi
201681%40,68387,026 mi
201580%52,530100,077 mi
201478%47,126110,129 mi
201379%39,443115,689 mi
201278%37,494119,018 mi
201177%42,781117,437 mi
201075%26,420117,904 mi
200974%18,505117,419 mi
200870%20398,026 mi

Checking a specific VAUXHALL INSIGNIA?

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About the 2018 VAUXHALL INSIGNIA

The 2018 VAUXHALL INSIGNIA is a family car with a 1956cc diesel engine. 22,193 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model falls short of that benchmark.

With an average of 64,781 miles at 6 years old, VAUXHALL INSIGNIA owners cover more miles than the average driver.

2018 VAUXHALL INSIGNIA Fuel Costs

The 1956cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2018 VAUXHALL INSIGNIA?

Total estimated annual running cost is £1,632 (£136/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% 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 2018 VAUXHALL INSIGNIA

At 6 years old, the VAUXHALL INSIGNIA offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. With 22,193 MOT tests in our data, there's strong statistical confidence in these figures.

Alternatives to the 2018 VAUXHALL INSIGNIA

If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines: