CarCostCheck

RENAULT KANGOO LL21 BNESS + ENERGY DCI (2021)

Running costs, reliability data, and common problems from 248 real MOT tests.

Annual Cost

£1,655

£138/month

MOT Pass Rate

77%

Average

Road Tax

£195

Flat rate/year

Insurance

Grp 12-25

1461cc Diesel

Check Carefully

77% pass rate, £1655/year to run. 5 points below average.

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Diesel1461cc5 years old248 tests54k miles avg

Annual Running Costs

Fuel (Diesel, 1461cc)

~55 mpg

£905
Road Tax

Flat rate (post-2017)

£195
MOT Test
£55
Predicted Repairs
£500
Total per year£1,655
Per month£138/mo
Per week£32/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

77% MOT pass rate(Average)
0%National avg: 82%100%

Average reliability. Expect some repairs as it ages. That's close to the national average of 82%.

At 5 years old, 77% of RENAULT KANGOO LL21 BNESS + ENERGY DCIs from 2021 passed their MOT first time in 2026. That's based on 248 tests across the UK. The average mileage at this age is 54,180 miles.

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How Does It Compare?

Rank among 2021 cars3343th of 3,373(top 99%)
Rank among RENAULT models362th of 636(top 57%)
vs national average-5%(82% avg)
vs 2021 cars average-15%(92% avg)
vs RENAULT average-3%(80% avg)

Mileage Analysis

54,180

Average miles

vs

37,000

Expected for age

The average 2021 RENAULT KANGOO LL21 BNESS + ENERGY DCI has 54,180 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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Best Year to Buy?

The most reliable year is the 2019 model with a 91% MOT pass rate, while the 2021 model has the lowest at 77%. Consider a different year if reliability is a priority.

RENAULT KANGOO LL21 BNESS + ENERGY DCI by Year

YearPass RateTestsAvg Mileage
202177%24854,180 mi
202079%37761,062 mi
201991%17865,547 mi

Similar Cars to Consider

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About the 2021 RENAULT KANGOO LL21 BNESS + ENERGY DCI

The 2021 RENAULT KANGOO LL21 BNESS + ENERGY DCI is a small family car with a 1461cc diesel engine. 248 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. It sits in the bottom 99% of 2021 cars for MOT pass rates.

With an average of 54,180 miles at 5 years old, RENAULT KANGOO LL21 BNESS + ENERGY DCI owners cover more miles than the average driver.

2021 RENAULT KANGOO LL21 BNESS + ENERGY DCI Fuel Costs

The 1461cc 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 RENAULT KANGOO LL21 BNESS + ENERGY DCI?

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 77% pass rate. Keeping on top of servicing will help avoid surprises.

RENAULT KANGOO LL21 BNESS + ENERGY DCI Reliability Trend

Older RENAULT KANGOO LL21 BNESS + ENERGY DCIs tend to have better MOT pass rates than newer ones, with an average decline of 13 percentage points across model years.

Buying a Used 2021 RENAULT KANGOO LL21 BNESS + ENERGY DCI

At 5 years old, the RENAULT KANGOO LL21 BNESS + ENERGY DCI offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.

Common Issues to Watch For

Based on the 2021 RENAULT KANGOO LL21 BNESS + ENERGY DCI'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

Medium risk

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

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Low risk

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

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 2021 RENAULT KANGOO LL21 BNESS + ENERGY DCI stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
RENAULT KANGOO LL21 BNESS + ENERGY DCI(2021)77%£905£195Grp 12-25£1655
FORD FOCUS(2019)89%£905£190Grp 12-25£1500-£155
MERCEDES A(2019)91%£905£190Grp 12-25£1350-£305
VOLKSWAGEN POLO(2019)89%£905£190Grp 12-25£1500-£155
KIA SPORTAGE(2019)89%£905£190Grp 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.

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Explore other Renault cars or similar models in the same category.

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