LEXUS IS300 (2018)
Running costs, common problems, and reliability data based on 31 real MOT tests in 2024.
MOT Pass Rate
100%
Total Tests (2024)
31
Avg Mileage
33,082 mi
Est. Annual Cost
£2,037
Is the 2018 LEXUS IS300 reliable?
Excellent reliability. Very few MOT failures. That's 18 points above the national average of 82%. It also outperforms the LEXUS brand average of 87%.
At 6 years old, 100% of LEXUS IS300s from 2018 passed their MOT first time in 2024. That's based on 31 tests across the UK. The average mileage at this age is 33,082 miles.
How does the 2018 LEXUS IS300 compare?
Mileage Analysis
The average 2018 LEXUS IS300 has 33,082 miles on the clock, which is below the expected 44,400 miles for a 6-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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 2018 sits between the two at 100%.
How much does a 2018 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 2018 LEXUS IS300
The 2018 LEXUS IS300 is a premium with a 2497cc hybrid engine. 31 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 4% of all 2018 cars for reliability.
With an average of 33,082 miles at 6 years old, LEXUS IS300 owners tend to use this car less than the typical driver.
2018 LEXUS IS300 Fuel Costs
The 2497cc 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 2018 LEXUS IS300?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 100% 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 2018 LEXUS IS300
At 6 years old, the LEXUS IS300 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2016 model has the highest pass rate at 98%. Note: with only 31 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2018 LEXUS IS300
The LEXUS IS300 is actually the most reliable option among similar hybrid premiums from this era. Here are comparable hybrid cars with similar engines:
- LAND ROVER RANGE ROVER SPORT (2019) 94% pass rate (-6%) from 33,069 tests
- TOYOTA RAV4 (2020) 95% pass rate (-5%) from 21,063 tests
- MITSUBISHI OUTLANDER (2016) 86% pass rate (-14%) from 19,100 tests
- LAND ROVER RANGE ROVER (2018) 93% pass rate (-7%) from 17,091 tests