The 2023 What Car? Reliability Survey is a survey conducted by What Car? in association with MotorEasy that asks readers to rate the dependability of cars aged up to five years old. The survey provides a rating for each model based on the data collected throughout the year from thousands of drivers, making it the most trusted and authoritative car reliability survey in the UK. The survey includes data for 178 models (up to five years old) from 32 brands, and where there is a large enough sample size, petrol, diesel, and hybrid versions of each model are separated to provide the most detailed analysis of car reliability.
According to the 2023 What Car? Reliability Survey, the most reliable cars are:
- Lexus CT family hatchback (99.3% reliability rating)
- Lexus IS executive car (98.3% reliability rating)
- Toyota (97.2% reliability rating)
- Mini (97.2% reliability rating)
- Suzuki (96.9% reliability rating)
- Mitsubishi (96.2% reliability rating)
- Honda (95.9% reliability rating)
- Hyundai (94.3% reliability rating)
- Kia (93.8% reliability rating)
The survey also includes the least reliable cars, which are:
- Jeep Wrangler (24 reliability score)
- Mercedes-Benz GLE (23 reliability score)
- Jeep Gladiator (21 reliability score)
- Chevrolet Silverado 1500/GMC Sierra 1500 (19 reliability score)
- Chevrolet Bolt (17 reliability score)
- Tesla Model X (16 reliability score)
- Land Rover Range Rover Velar (15 reliability score)
- Land Rover Discovery Sport (14 reliability score)
- Land Rover Range Rover Sport (13 reliability score)
- Land Rover Range Rover (12 reliability score)
It is important to note that other surveys, such as the J.D. Power 2023 U.S. Vehicle Dependability Study, may have different results and rankings.
