FIAT DOBLO 16V SX MULTIJET II (2021)
Running costs, reliability data, and common problems from 44 real MOT tests.
Annual Cost
£1,655
£138/month
MOT Pass Rate
73%
Average
Road Tax
£195
Flat rate/year
Insurance
Grp 12-25
1598cc Diesel
Check Carefully
73% pass rate, £1655/year to run. 9 points below average.
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Annual Running Costs
~55 mpg
Flat rate (post-2017)
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 9 points below the national average of 82%. It falls below the FIAT brand average of 83%.
At 5 years old, 73% of FIAT DOBLO 16V SX MULTIJET IIs from 2021 passed their MOT first time in 2026. That's based on 44 tests across the UK. The average mileage at this age is 52,093 miles.
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How Does It Compare?
Mileage Analysis
52,093
Average miles
37,000
Expected for age
The average 2021 FIAT DOBLO 16V SX MULTIJET II has 52,093 miles on the clock, which is above the expected 37,000 miles for a 5-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
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About the 2021 FIAT DOBLO 16V SX MULTIJET II
The 2021 FIAT DOBLO 16V SX MULTIJET II is a small family car with a 1598cc diesel engine. 44 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 100% of 2021 cars for MOT pass rates.
With an average of 52,093 miles at 5 years old, FIAT DOBLO 16V SX MULTIJET II owners cover more miles than the average driver.
2021 FIAT DOBLO 16V SX MULTIJET II Fuel Costs
The 1598cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £905 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 2021 FIAT DOBLO 16V SX MULTIJET II?
Total estimated annual running cost is £1,655 (£138/month), broken down as £905 fuel, £195 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 73% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2021 FIAT DOBLO 16V SX MULTIJET II
At 5 years old, the FIAT DOBLO 16V SX MULTIJET II offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 44 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2021 FIAT DOBLO 16V SX MULTIJET II'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
Medium riskDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
AdBlue System
Medium riskPost-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.
EGR Valve
Low riskExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
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 2021 FIAT DOBLO 16V SX MULTIJET II stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| FIAT DOBLO 16V SX MULTIJET II(2021) | 73% | £905 | £195 | Grp 12-25 | £1655 |
| FORD FOCUS(2019) | 89% | £905 | £190 | Grp 12-25 | £1500-£155 |
| MERCEDES A(2019) | 91% | £905 | £190 | Grp 12-25 | £1350-£305 |
| FORD KUGA(2019) | 91% | £1037 | £190 | Grp 18-32 | £1482-£173 |
| VOLKSWAGEN POLO(2019) | 89% | £905 | £190 | Grp 12-25 | £1500-£155 |
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 Fiat Models
Explore other Fiat cars or similar models in the same category.
FIAT 500
2014 · 1248cc Diesel
FIAT 500X
2016 · 1598cc Petrol
FIAT PANDA
2009 · 1248cc Petrol
FORD FOCUS
2019 · 1499cc Diesel
MERCEDES A
2019 · 1461cc Diesel
FORD KUGA
2019 · 1997cc Diesel
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