CarCostCheck

KIA SPORTAGE GT-LINE S ISG (2021)

Running costs, common problems, and reliability data based on 602 real MOT tests in 2024.

MOT Pass Rate

92%

Total Tests (2024)

602

Avg Mileage

23,293 mi

Est. Annual Cost

£1,582

Is the 2021 KIA SPORTAGE GT-LINE S ISG reliable?

Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the KIA brand average of 86%.

At 3 years old, 92% of KIA SPORTAGE GT-LINE S ISGs from 2021 passed their MOT first time in 2024. That's based on 602 tests across the UK. The average mileage at this age is 23,293 miles.

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

Rank among all 2021 cars1954th out of 3,373(top 58%)
Rank among all KIA models161th out of 472(top 34%)
vs national average+10% (82% avg)
vs 2021 cars average+0% (92% avg)
vs KIA average+6% (86% avg)

Mileage Analysis

The average 2021 KIA SPORTAGE GT-LINE S ISG has 23,293 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.

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

The most reliable year is the 2020 model with a 93% MOT pass rate, while the 2021 model has the lowest at 92%. Consider a different year if reliability is a priority.

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

Fuel (Petrol, 1591cc)
£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 S ISG by Year

YearPass RateTestsAvg Mileage
202192%60223,293 mi
202093%28929,594 mi

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About the 2021 KIA SPORTAGE GT-LINE S ISG

The 2021 KIA SPORTAGE GT-LINE S ISG is a small family car with a 1591cc petrol engine. 602 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.

With an average of 23,293 miles at 3 years old, KIA SPORTAGE GT-LINE S ISG owners drive about as much as the UK average.

2021 KIA SPORTAGE GT-LINE S ISG Fuel Costs

The 1591cc petrol 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 petrol prices of 142p per litre (based on 7,400 miles per year).

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

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 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 KIA SPORTAGE GT-LINE S ISG

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.

Alternatives to the 2021 KIA SPORTAGE GT-LINE S ISG

If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines: