CarCostCheck

KIA SPORTAGE GT-LINE CRDI ISG MHEV (2021)

Running costs, common problems, and reliability data based on 2,263 real MOT tests in 2024.

MOT Pass Rate

90%

Total Tests (2024)

2,263

Avg Mileage

29,211 mi

Est. Annual Cost

£1,582

Is the 2021 KIA SPORTAGE GT-LINE CRDI ISG MHEV reliable?

Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%. It also outperforms the KIA brand average of 86%.

At 3 years old, 90% of KIA SPORTAGE GT-LINE CRDI ISG MHEVs from 2021 passed their MOT first time in 2024. That's based on 2,263 tests across the UK. The average mileage at this age is 29,211 miles.

How does the 2021 KIA SPORTAGE GT-LINE CRDI ISG MHEV compare?

Rank among all 2021 cars2453th out of 3,373(top 73%)
Rank among all KIA models229th out of 472(top 49%)
vs national average+8% (82% avg)
vs 2021 cars average-2% (92% avg)
vs KIA average+4% (86% avg)

Mileage Analysis

The average 2021 KIA SPORTAGE GT-LINE CRDI ISG MHEV has 29,211 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.

Best year to buy a KIA SPORTAGE GT-LINE CRDI ISG MHEV?

The most reliable year is the 2020 model with a 92% MOT pass rate, while the 2019 model has the lowest at 78%. The 2021 sits between the two at 90%.

How much does a 2021 KIA SPORTAGE GT-LINE CRDI ISG MHEV cost to run?

Fuel (Hybrid, 1598cc)
£1,137
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,582
Per month£132/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

KIA SPORTAGE GT-LINE CRDI ISG MHEV by Year

YearPass RateTestsAvg Mileage
202292%13726,016 mi
202190%2,26329,211 mi
202092%1,06635,540 mi
201978%17439,751 mi

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About the 2021 KIA SPORTAGE GT-LINE CRDI ISG MHEV

The 2021 KIA SPORTAGE GT-LINE CRDI ISG MHEV is a small family car with a 1598cc hybrid engine. 2,263 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.

With an average of 29,211 miles at 3 years old, KIA SPORTAGE GT-LINE CRDI ISG MHEV owners cover more miles than the average driver.

2021 KIA SPORTAGE GT-LINE CRDI ISG MHEV Fuel Costs

The 1598cc hybrid engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 per year at current hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.

What does it cost to own a 2021 KIA SPORTAGE GT-LINE CRDI ISG MHEV?

Total estimated annual running cost is £1,582 132/month), broken down as £1137 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

KIA SPORTAGE GT-LINE CRDI ISG MHEV Reliability Trend

Newer KIA SPORTAGE GT-LINE CRDI ISG MHEVs show better MOT pass rates than older ones, with an average improvement of 6 percentage points.

Buying a Used 2021 KIA SPORTAGE GT-LINE CRDI ISG MHEV

At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. If you're flexible on year, the 2020 model has the highest pass rate at 92%.

Alternatives to the 2021 KIA SPORTAGE GT-LINE CRDI ISG MHEV

If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable hybrid cars with similar engines: