KIA SPORTAGE GT-LINE ISG HEV AUTO (2023)
Running costs, reliability data, and common problems from 35 real MOT tests.
Annual Cost
£1,587
£132/month
MOT Pass Rate
91%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 12-25
1598cc Hybrid
Great Choice
91% pass rate, £1587/year to run. 9 points above average.
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Annual Running Costs
~42 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
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
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%. It also outperforms the KIA brand average of 86%.
At 3 years old, 91% of KIA SPORTAGE GT-LINE ISG HEV AUTOs from 2023 passed their MOT first time in 2026. That's based on 35 tests across the UK. The average mileage at this age is 23,087 miles.
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How Does It Compare?
Mileage Analysis
23,087
Average miles
22,200
Expected for age
The average 2023 KIA SPORTAGE GT-LINE ISG HEV AUTO has 23,087 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
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KIA SPORTAGE GT-LINE ISG HEV AUTO by Year
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About the 2023 KIA SPORTAGE GT-LINE ISG HEV AUTO
The 2023 KIA SPORTAGE GT-LINE ISG HEV AUTO is a small family car with a 1598cc hybrid engine. 35 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 84% of 2023 cars for MOT pass rates.
With an average of 23,087 miles at 3 years old, KIA SPORTAGE GT-LINE ISG HEV AUTO owners drive about as much as the UK average.
2023 KIA SPORTAGE GT-LINE ISG HEV AUTO 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 2023 KIA SPORTAGE GT-LINE ISG HEV AUTO?
Total estimated annual running cost is £1,587 (£132/month), broken down as £1137 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2023 KIA SPORTAGE GT-LINE ISG HEV AUTO
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. Note: with only 35 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2023 KIA SPORTAGE GT-LINE ISG HEV AUTO's fuel type, age, and engine size, these are the most likely problem areas to check.
Hybrid Battery Health
Low riskAfter 3 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.
Inverter and Power Electronics
Low riskThe inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.
Regenerative Braking
Low riskBrake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.
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 2023 KIA SPORTAGE GT-LINE ISG HEV AUTO stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| KIA SPORTAGE GT-LINE ISG HEV AUTO(2023) | 91% | £1137 | £195 | Grp 12-25 | £1587 |
| VOLVO XC40(2021) | 93% | £1137 | £190 | Grp 12-25 | £1582-£5 |
| TOYOTA C-HR(2021) | 95% | £1327 | £190 | Grp 18-32 | £1772+£185 |
| HYUNDAI IONIQ(2021) | 91% | £1137 | £190 | Grp 12-25 | £1582-£5 |
| MINI COOPER S(2021) | 93% | £1137 | £190 | Grp 12-25 | £1582-£5 |
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 Kia Models
Explore other Kia cars or similar models in the same category.
KIA SPORTAGE
2016 · 1700cc Diesel
KIA PICANTO
2018 · 998cc Petrol
KIA CEED
2012 · 1591cc Diesel
VOLVO XC40
2021 · 1470cc Hybrid
TOYOTA C-HR
2021 · 1987cc Hybrid
HYUNDAI IONIQ
2021 · 1580cc Hybrid
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