How much does a 1999 CITROEN SYNERGIE cost to run?

Estimated annual running cost is £1,857 (£155/month), including £1037 fuel, £265 road tax, £55 MOT, and £500 predicted repairs.

What is the MOT pass rate for a 1999 CITROEN SYNERGIE?

The 1999 CITROEN SYNERGIE has a 70% MOT pass rate based on 46 tests in 2026. This ranks 282 out of 375 cars from 1999.

Which year CITROEN SYNERGIE is most reliable?

The 1998 CITROEN SYNERGIE has the highest MOT pass rate at 66%. The least reliable year is 2001 at 61%.

CITROEN SYNERGIE (1999)

Q: Is the 1999 CITROEN SYNERGIE reliable?

Average reliability. Expect some repairs as it ages. 70% of CITROEN SYNERGIEs from 1999 passed their MOT first time in 2026, based on 46 tests. That's 12 points below the national average of 82%.

Q: What is the average mileage for a 1999 CITROEN SYNERGIE?

The average mileage for a 1999 CITROEN SYNERGIE is 135,262 miles, which is below the expected 199,800 miles for a 27-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 46 real MOT tests.

Annual Cost

£1,857

£155/month

MOT Pass Rate

70%

Average

Road Tax

£265

Based on CC/year

Insurance

Grp 18-32

1905cc Diesel

Check Carefully

70% pass rate, £1857/year to run. 12 points below average.

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Diesel1905cc27 years old46 tests135k miles avg

Annual Running Costs

Fuel (Diesel, 1905cc)

~48 mpg

£1,037

Road Tax

Based on 1905cc

£265

MOT Test

£55

Predicted Repairs

Higher estimate due to low pass rate

£500

Total per year£1,857

Per month£155/mo

Per week£36/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

70% MOT pass rate(Average)

0%National avg: 82%100%

Average reliability. Expect some repairs as it ages. That's 12 points below the national average of 82%. It falls below the CITROEN brand average of 79%.

At 27 years old, 70% of CITROEN SYNERGIEs from 1999 passed their MOT first time in 2026. That's based on 46 tests across the UK. The average mileage at this age is 135,262 miles.

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How Does It Compare?

Rank among 1999 cars282th of 375(top 75%)

Rank among CITROEN models469th of 599(top 78%)

vs national average-12%(82% avg)

vs 1999 cars average-5%(75% avg)

vs CITROEN average-9%(79% avg)

Mileage Analysis

135,262

Average miles

199,800

Expected for age

The average 1999 CITROEN SYNERGIE has 135,262 miles on the clock, which is below the expected 199,800 miles for a 27-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 1998 model with a 66% MOT pass rate, while the 2001 model has the lowest at 61%. The 1999 sits between the two at 70%.

CITROEN SYNERGIE by Year

Year	Pass Rate	Tests	Avg Mileage
2002	65%	37	139,819 mi
2001	61%	105	150,082 mi
2000	64%	50	166,553 mi
1999	70%	46	135,262 mi
1998	66%	65	170,244 mi

Similar Cars to Consider

VOLKSWAGEN GOLF

2001 · 1896cc Diesel

£1,727/year

72%

+2%

BMW 3 SERIES

2000 · 1951cc Diesel

£1,727/year

77%

+7%

FIAT DUCATO

1999 · 1905cc Diesel

£1,727/year

72%

+2%

FORD FIESTA

1998 · 1753cc Diesel

£1,927/year

65%

-5%

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About the 1999 CITROEN SYNERGIE

The 1999 CITROEN SYNERGIE is a family car with a 1905cc diesel engine. 46 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 1999, the average MOT pass rate is 75%, and this model falls short of that benchmark.

With an average of 135,262 miles at 27 years old, CITROEN SYNERGIE owners tend to use this car less than the typical driver.

1999 CITROEN SYNERGIE Fuel Costs

The 1905cc 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 1999 CITROEN SYNERGIE?

Total estimated annual running cost is £1,857 (£155/month), broken down as £1037 fuel, £265 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.

CITROEN SYNERGIE Reliability Trend

Older CITROEN SYNERGIEs tend to have better MOT pass rates than newer ones, with an average decline of 4 percentage points across model years.

Buying a Used 1999 CITROEN SYNERGIE

At 27 years old, the CITROEN SYNERGIE 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 1998 model has the highest pass rate at 66%. Note: with only 46 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 1999 CITROEN SYNERGIE'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.

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.

Clutch Wear

Watch out

With an average of 135k 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 risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

Engine Mounts

Medium risk

Worn engine mounts cause excessive vibration and movement. Replacement costs £150-£400 per mount. Check for vibration at idle with the bonnet open.

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 1999 CITROEN SYNERGIE stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
CITROEN SYNERGIE(1999)	70%	£1037	£265	Grp 18-32	£1857
VOLKSWAGEN GOLF(2001)	72%	£1037	£135	Grp 18-32	£1727-£130
BMW 3 SERIES(2000)	77%	£1037	£135	Grp 18-32	£1727-£130
FIAT DUCATO(1999)	72%	£1037	£135	Grp 18-32	£1727-£130
FORD FIESTA(1998)	65%	£1037	£135	Grp 18-32	£1927+£70

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.