CarCostCheck

RENAULT KADJAR GT LINE BLUE DCI 4X4 (2020)

Running costs, reliability data, and common problems from 40 real MOT tests.

Annual Cost

£1,637

£136/month

MOT Pass Rate

85%

Good

Road Tax

£195

Flat rate/year

Insurance

Grp 18-32

1749cc Diesel

Solid Option

85% pass rate, £1637/year to run. Close to the national average.

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Diesel1749cc6 years old40 tests44k miles avg

Annual Running Costs

Fuel (Diesel, 1749cc)

~48 mpg

£1,037
Road Tax

Flat rate (post-2017)

£195
MOT Test
£55
Predicted Repairs
£350
Total per year£1,637
Per month£136/mo
Per week£31/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

85% 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%. It also outperforms the RENAULT brand average of 80%.

At 6 years old, 85% of RENAULT KADJAR GT LINE BLUE DCI 4X4s from 2020 passed their MOT first time in 2026. That's based on 40 tests across the UK. The average mileage at this age is 44,248 miles.

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How Does It Compare?

Rank among 2020 cars2402th of 2,596(top 93%)
Rank among RENAULT models255th of 636(top 40%)
vs national average+3%(82% avg)
vs 2020 cars average-7%(92% avg)
vs RENAULT average+5%(80% avg)

Mileage Analysis

44,248

Average miles

vs

44,400

Expected for age

The average 2020 RENAULT KADJAR GT LINE BLUE DCI 4X4 has 44,248 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.

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RENAULT KADJAR GT LINE BLUE DCI 4X4 by Year

YearPass RateTestsAvg Mileage
202085%4044,248 mi
201993%4235,591 mi

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About the 2020 RENAULT KADJAR GT LINE BLUE DCI 4X4

The 2020 RENAULT KADJAR GT LINE BLUE DCI 4X4 is a family car with a 1749cc diesel engine. 40 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 93% of 2020 cars for MOT pass rates.

With an average of 44,248 miles at 6 years old, RENAULT KADJAR GT LINE BLUE DCI 4X4 owners drive about as much as the UK average.

2020 RENAULT KADJAR GT LINE BLUE DCI 4X4 Fuel Costs

The 1749cc 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 2020 RENAULT KADJAR GT LINE BLUE DCI 4X4?

Total estimated annual running cost is £1,637 136/month), broken down as £1037 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 85% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2020 RENAULT KADJAR GT LINE BLUE DCI 4X4

At 6 years old, the RENAULT KADJAR GT LINE BLUE DCI 4X4 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 40 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2020 RENAULT KADJAR GT LINE BLUE DCI 4X4'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

Watch out

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 2020 RENAULT KADJAR GT LINE BLUE DCI 4X4 stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
RENAULT KADJAR GT LINE BLUE DCI 4X4(2020)85%£1037£195Grp 18-32£1637
VOLKSWAGEN GOLF(2018)92%£1037£190Grp 18-32£1482-£155
FORD FOCUS(2019)89%£905£190Grp 12-25£1500-£137
MERCEDES A(2019)91%£905£190Grp 12-25£1350-£287
MERCEDES A-CLASS(2018)89%£905£190Grp 12-25£1500-£137

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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