CADILLAC BLS (2009)
Running costs, reliability data, and common problems from 41 real MOT tests.
Annual Cost
£1,707
£142/month
MOT Pass Rate
80%
Good
Road Tax
£265
Based on CC/year
Insurance
Grp 18-32
1998cc Diesel
Solid Option
80% pass rate, £1707/year to run. Close to the national average.
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Annual Running Costs
~48 mpg
Based on 1998cc
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
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the CADILLAC brand average of 88%.
At 17 years old, 80% of CADILLAC BLSs from 2009 passed their MOT first time in 2026. That's based on 41 tests across the UK. The average mileage at this age is 110,132 miles.
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Mileage Analysis
110,132
Average miles
125,800
Expected for age
The average 2009 CADILLAC BLS has 110,132 miles on the clock, which is in line with the expected 125,800 miles for a 17-year-old car, suggesting normal everyday use.
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About the 2009 CADILLAC BLS
The 2009 CADILLAC BLS is a family car with a 1998cc diesel engine. 41 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2009, the average MOT pass rate is 75%, and this model beats that benchmark.
With an average of 110,132 miles at 17 years old, CADILLAC BLS owners drive about as much as the UK average.
2009 CADILLAC BLS Fuel Costs
The 1998cc 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 2009 CADILLAC BLS?
Total estimated annual running cost is £1,707 (£142/month), broken down as £1037 fuel, £265 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 80% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2009 CADILLAC BLS
At 17 years old, the CADILLAC BLS 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. Note: with only 41 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2009 CADILLAC BLS's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Watch outDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
EGR Valve
Watch outExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
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
Watch outWith an average of 110k 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 2009 CADILLAC BLS stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| CADILLAC BLS(2009) | 80% | £1037 | £265 | Grp 18-32 | £1707 |
| VOLKSWAGEN GOLF(2011) | 78% | £1037 | £135 | Grp 18-32 | £1727+£20 |
| VAUXHALL ASTRA(2010) | 74% | £1037 | £135 | Grp 18-32 | £1727+£20 |
| VOLKSWAGEN POLO(2010) | 74% | £905 | £135 | Grp 12-25 | £1595-£112 |
| BMW 3 SERIES(2011) | 81% | £1037 | £135 | Grp 18-32 | £1577-£130 |
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.
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