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FIAT UNCLASSIFIED (2005)

Running costs, reliability data, and common problems from 172 real MOT tests.

Annual Cost

£2,045

£170/month

MOT Pass Rate

81%

Good

Road Tax

£395

Based on CC/year

Insurance

Grp 25-38

2300cc Diesel

Solid Option

81% pass rate, £2045/year to run. Close to the national average.

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Diesel2300cc21 years old172 tests53k miles avg

Annual Running Costs

Fuel (Diesel, 2300cc)

~40 mpg

£1,245
Road Tax

Based on 2300cc

£395
MOT Test
£55
Predicted Repairs
£350
Total per year£2,045
Per month£170/mo
Per week£39/wk

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

81% MOT pass rate(Good)
0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 21 years old, 81% of FIAT UNCLASSIFIEDs from 2005 passed their MOT first time in 2026. That's based on 172 tests across the UK. The average mileage at this age is 52,537 miles.

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How Does It Compare?

Rank among 2005 cars128th of 526(top 24%)
Rank among FIAT models470th of 818(top 57%)
vs national average-1%(82% avg)
vs 2005 cars average+9%(72% avg)
vs FIAT average-2%(83% avg)

Mileage Analysis

52,537

Average miles

vs

155,400

Expected for age

The average 2005 FIAT UNCLASSIFIED has 52,537 miles on the clock, which is significantly below the expected 155,400 miles for a 21-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

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Best Year to Buy?

The most reliable year is the 2021 model with a 97% MOT pass rate, while the 1992 model has the lowest at 45%. The 2005 sits between the two at 81%.

FIAT UNCLASSIFIED by Year

YearPass RateTestsAvg Mileage
202197%68811,393 mi
202094%88215,358 mi
201992%95518,467 mi
201892%71121,477 mi
201793%65224,798 mi
201692%64727,632 mi
201589%74141,259 mi
201491%68133,240 mi
201387%93440,624 mi
201289%48140,887 mi
201184%14153,535 mi
201083%7171,871 mi
200984%9241,943 mi
200882%15555,343 mi
200778%15255,340 mi
200679%20751,872 mi
200581%17252,537 mi
200479%25355,267 mi
200383%15058,852 mi
200272%13762,141 mi
200175%11262,828 mi
200077%14972,270 mi
199972%15472,673 mi
199871%9186,378 mi
199768%6594,547 mi
199583%72138,861 mi
199486%36107,637 mi
199375%69102,759 mi
199245%112129,305 mi
199181%36101,616 mi

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About the 2005 FIAT UNCLASSIFIED

The 2005 FIAT UNCLASSIFIED is a large car with a 2300cc diesel engine. 172 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 24% of all 2005 cars for reliability.

With an average of 52,537 miles at 21 years old, FIAT UNCLASSIFIED owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.

2005 FIAT UNCLASSIFIED Fuel Costs

The 2300cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 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 2005 FIAT UNCLASSIFIED?

Total estimated annual running cost is £2,045 170/month), broken down as £1245 fuel, £395 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 81% pass rate. Keeping on top of servicing will help avoid surprises.

FIAT UNCLASSIFIED Reliability Trend

Newer FIAT UNCLASSIFIEDs show better MOT pass rates than older ones, with an average improvement of 15 percentage points.

Buying a Used 2005 FIAT UNCLASSIFIED

At 21 years old, the FIAT UNCLASSIFIED 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. If you're flexible on year, the 2021 model has the highest pass rate at 97%.

Common Issues to Watch For

Based on the 2005 FIAT UNCLASSIFIED's fuel type, age, and engine size, these are the most likely problem areas to check.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Watch out

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

Rust and Corrosion

Watch out

At 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 out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Service History

Low risk

Always 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 2005 FIAT UNCLASSIFIED stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
FIAT UNCLASSIFIED(2005)81%£1245£395Grp 25-38£2045
VOLKSWAGEN GOLF(2007)73%£1037£135Grp 18-32£1727-£318
HONDA CIVIC(2007)72%£1245£250Grp 25-38£2050+£5
VOLKSWAGEN TRANSPORTER(2007)75%£1245£250Grp 25-38£2050+£5
FORD MONDEO(2007)71%£1037£135Grp 18-32£1727-£318

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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