KIA SPORTAGE PLATINUM EDITION ISG (2021)
Running costs, reliability data, and common problems from 62 real MOT tests.
Annual Cost
£1,587
£132/month
MOT Pass Rate
90%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 12-25
1591cc Petrol
Great Choice
90% pass rate, £1587/year to run. 8 points above average.
Check a specific KIA SPORTAGE PLATINUM EDITION ISG
Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.
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.
Get an insurance quote for this KIA SPORTAGE PLATINUM EDITION ISG
Compare quotes and find the best deal
Reliability Verdict
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 5 years old, 90% of KIA SPORTAGE PLATINUM EDITION ISGs from 2021 passed their MOT first time in 2026. That's based on 62 tests across the UK. The average mileage at this age is 21,444 miles.
Got a KIA SPORTAGE PLATINUM EDITION ISG you're looking at?
Enter the reg plate to check its specific MOT history, mileage, and health score.
How Does It Compare?
Mileage Analysis
21,444
Average miles
37,000
Expected for age
The average 2021 KIA SPORTAGE PLATINUM EDITION ISG has 21,444 miles on the clock, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Looking at a specific KIA SPORTAGE PLATINUM EDITION ISG?
Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.
Best Year to Buy?
The most reliable year is the 2020 model with a 92% MOT pass rate, while the 2021 model has the lowest at 90%. Consider a different year if reliability is a priority.
KIA SPORTAGE PLATINUM EDITION ISG by Year
Similar Cars to Consider
Check a Specific Kia Sportage platinum edition isg
Enter a reg plate to get the full MOT history, health score, and mileage verification.
Upgrade to Premium (£4.99) for stolen, finance, and write-off checks.
About the 2021 KIA SPORTAGE PLATINUM EDITION ISG
The 2021 KIA SPORTAGE PLATINUM EDITION ISG is a small family car with a 1591cc petrol engine. 62 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 78% of 2021 cars for MOT pass rates.
With an average of 21,444 miles at 5 years old, KIA SPORTAGE PLATINUM EDITION ISG owners tend to use this car less than the typical driver.
2021 KIA SPORTAGE PLATINUM EDITION 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 PLATINUM EDITION ISG?
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 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
KIA SPORTAGE PLATINUM EDITION ISG Reliability Trend
The KIA SPORTAGE PLATINUM EDITION ISG has maintained consistent MOT pass rates across model years, varying by only 0 percentage points.
Buying a Used 2021 KIA SPORTAGE PLATINUM EDITION ISG
At 5 years old, the KIA SPORTAGE PLATINUM EDITION ISG 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 62 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2021 KIA SPORTAGE PLATINUM EDITION ISG's fuel type, age, and engine size, these are the most likely problem areas to check.
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 2021 KIA SPORTAGE PLATINUM EDITION ISG stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| KIA SPORTAGE PLATINUM EDITION ISG(2021) | 90% | £1137 | £195 | Grp 12-25 | £1587 |
| VOLKSWAGEN GOLF(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582-£5 |
| VAUXHALL CORSA(2019) | 88% | £1137 | £190 | Grp 8-20 | £1732+£145 |
| NISSAN QASHQAI(2020) | 93% | £1137 | £190 | Grp 12-25 | £1582-£5 |
| MINI COOPER(2019) | 92% | £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
VOLKSWAGEN GOLF
2019 · 1498cc Petrol
VAUXHALL CORSA
2019 · 1398cc Petrol
NISSAN QASHQAI
2020 · 1598cc Petrol
Related Guides
In-depth articles relevant to the Kia Sportage platinum edition isg.
Cheapest Cars to Insure in the UK: Insurance Groups 1-10
9 min read
Running CostsCheapest Cars to Run in the UK: A Complete Cost Breakdown
11 min read
Running CostsCheapest Cars to Run in 2026: Real Data from 19.8 Million MOT Tests
9 min read
ComparisonKia Sportage vs Nissan Qashqai 2026: Which is £427/yr Cheaper?
14 min read
Buying GuideFord Fiesta Common Problems (2026): What to Check Before Buying
13 min read
Check a specific KIA SPORTAGE PLATINUM EDITION ISG
Enter the reg to see its MOT history, mileage check, and predicted costs.
Premium History Check
Buying a KIA SPORTAGE PLATINUM EDITION ISG? Our premium check covers:
- Stolen check (PNC)
- Outstanding finance
- Write-off history (Cat A/B/N/S)
- Previous owners count
Competitors charge £10-£20 for the same data