LEXUS IS300 (2015)
Running costs, common problems, and reliability data based on 45 real MOT tests in 2024.
MOT Pass Rate
93%
Total Tests (2024)
45
Avg Mileage
108,740 mi
Est. Annual Cost
£2,097
Is the 2015 LEXUS IS300 reliable?
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the LEXUS brand average of 87%.
At 9 years old, 93% of LEXUS IS300s from 2015 passed their MOT first time in 2024. That's based on 45 tests across the UK. The average mileage at this age is 108,740 miles.
How does the 2015 LEXUS IS300 compare?
Mileage Analysis
The average 2015 LEXUS IS300 has 108,740 miles on the clock, which is well above the expected 66,600 miles for a 9-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
Best year to buy a LEXUS IS300?
The most reliable year is the 2016 model with a 98% MOT pass rate, while the 2001 model has the lowest at 73%. The 2015 sits between the two at 93%.
How much does a 2015 LEXUS IS300 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
LEXUS IS300 by Year
Checking a specific LEXUS IS300?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2015 LEXUS IS300
The 2015 LEXUS IS300 is a premium with a 2494cc hybrid engine. 45 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 20% of all 2015 cars for reliability.
With an average of 108,740 miles at 9 years old, LEXUS IS300 owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2015 LEXUS IS300 Fuel Costs
The 2494cc hybrid engine offers a reasonable balance between performance and economy. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 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 2015 LEXUS IS300?
Total estimated annual running cost is £2,097 (£175/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
LEXUS IS300 Reliability Trend
Newer LEXUS IS300s show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2015 LEXUS IS300
At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2016 model has the highest pass rate at 98%. Note: with only 45 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2015 LEXUS IS300
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable hybrid cars with similar engines:
- MITSUBISHI OUTLANDER (2015) 83% pass rate (-10%) from 22,913 tests
- BMW X5 (2016) 92% pass rate (-1%) from 14,826 tests
- LEXUS NX (2017) 94% pass rate (+1%) from 6,538 tests
- KIA OPTIMA (2017) 87% pass rate (-6%) from 5,853 tests