VAUXHALL INSIGNIA (2008)
Running costs, reliability data, and common problems from 203 real MOT tests.
Annual Cost
£2,197
£183/month
MOT Pass Rate
70%
Average
Road Tax
£315
Based on CC/year
Insurance
Grp 18-32
1998cc Petrol
Check Carefully
70% pass rate, £2197/year to run. 12 points below average.
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Annual Running Costs
~36 mpg
Based on 1998cc
Higher estimate due to low pass rate
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Average reliability. Expect some repairs as it ages. That's 12 points below the national average of 82%. It falls below the VAUXHALL brand average of 84%.
At 18 years old, 70% of VAUXHALL INSIGNIAs from 2008 passed their MOT first time in 2026. That's based on 203 tests across the UK. The average mileage at this age is 98,026 miles.
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How Does It Compare?
Mileage Analysis
98,026
Average miles
133,200
Expected for age
The average 2008 VAUXHALL INSIGNIA has 98,026 miles on the clock, which is below the expected 133,200 miles for a 18-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Best Year to Buy?
The most reliable year is the 2018 model with a 88% MOT pass rate, while the 2008 model has the lowest at 70%. Consider a different year if reliability is a priority.
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 |
Similar Cars to Consider
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About the 2008 VAUXHALL INSIGNIA
The 2008 VAUXHALL INSIGNIA is a family car with a 1998cc petrol engine. 203 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. It sits in the bottom 79% of 2008 cars for MOT pass rates.
With an average of 98,026 miles at 18 years old, VAUXHALL INSIGNIA owners tend to use this car less than the typical driver.
2008 VAUXHALL INSIGNIA Fuel Costs
The 1998cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2008 VAUXHALL INSIGNIA?
Total estimated annual running cost is £2,197 (£183/month), broken down as £1327 fuel, £315 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 70% 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 2008 VAUXHALL INSIGNIA
At 18 years old, the VAUXHALL INSIGNIA is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age.
Common Issues to Watch For
Based on the 2008 VAUXHALL INSIGNIA's fuel type, age, and engine size, these are the most likely problem areas to check.
Timing Chain / Belt
Watch outAt 18 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.
Rust and Corrosion
Watch outAt 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.
Suspension Bushings
Watch outRubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.
Clutch Wear
Medium riskWith an average of 98k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.
Brake Discs and Pads
Medium riskHigh-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2008 VAUXHALL INSIGNIA stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| VAUXHALL INSIGNIA(2008) | 70% | £1327 | £315 | Grp 18-32 | £2197 |
| FORD FOCUS(2009) | 74% | £1137 | £135 | Grp 12-25 | £1827-£370 |
| NISSAN QASHQAI(2010) | 67% | £1137 | £135 | Grp 12-25 | £2027-£170 |
| MINI MINI(2010) | 80% | £1137 | £135 | Grp 12-25 | £1677-£520 |
| BMW 3 SERIES(2007) | 80% | £1327 | £135 | Grp 18-32 | £1867-£330 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Vauxhall Models
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