Lexus
CT
Lexus
NX
Lexus CT vs Lexus NX: 2021 Comparison
The short answer
Based on available data, the Lexus NX comes out ahead of the Lexus CT on fuel economy and power. Check the specs table and owner sentiment below for the full comparison before deciding between the two. Both are covered by real owner reports on CarWizz.
Specs side by side
What owners say
CT
Overall
The sentiment among owners is overwhelmingly positive, centered on exceptional reliability, low running costs, and high fuel economy. The vehicle is consistently described as a "superb commuter car" and a "luxury Prius," offering a more engaging driving experience, better interior quality, and superior sound insulation compared to its Toyota counterpart. The primary trade-off is universally acknowledged as a lack of power and acceleration, with the hybrid powertrain described as "slow" but adequate for daily commuting and highway merging.
Best version to buy
Insufficient owner data available to declare a consensus "best" trim. The F-Sport trim is mentioned for its stiffer suspension and sportier aesthetics, but one owner notes that professional reviewers found even the base suspension to be stiff, and the F-Sport's setup is not necessarily "better." The Premier/Premium trim levels are sought for their additional features.
Known issues
- ⚠Head gasket failure: A known issue on higher-mileage examples (typically above 150,000 miles) related to the shared Prius 1.8L engine. Can be a costly repair. Frequency: recurrent.
- ⚠Excessive oil consumption: Linked to piston ring wear on high-mileage vehicles, with one report of burning 1 quart every 1,000 miles. Frequency: isolated.
- ⚠Hybrid battery aging: Acknowledged as a potential long-term wear item with replacement costs around $2,000 (USD), but batteries are reported to be very dependable, often lasting well beyond 200,000 kilometers.
NX
Overall
Mixed to positive sentiment, heavily dependent on model year and powertrain. The vehicle is widely praised for its exceptional long-term reliability, with the 2015-2021 generation specifically highlighted as "bulletproof." Owners of the post-2022 redesign appreciate the updated technology, smoother ride quality, quieter cabin, and refined interior. However, significant criticism is directed at specific, recurring issues: a very frequent and severe 12V battery drain problem in NX 350h hybrid models, leading to repeated dead batteries; various electrical gremlins and rattles in multiple generations; and a powertrain in earlier turbo models (200t/300) described as underwhelming, with sluggish acceleration and a requirement for premium fuel.
Best version to buy
Insufficient owner data available to declare a single "best" trim or version. Feedback is split by powertrain: the hybrid (350h) is favored for its fuel efficiency and smoothness, but is plagued by battery issues.
Known issues
- ⚠12V Battery Drain (Hybrid Models): Chronic and severe issue causing dead batteries, requiring frequent jumps or trickle chargers, occurs even with regular driving. Owners report multiple roadside assistance calls. Frequency: very frequent.
- ⚠Various Electrical Gremlins: Includes malfunctioning power liftgate (faulty pinch sensors), non-working window switches, delayed key fob response, hands-free microphone failure, "reduced engine power" warnings with no drivability loss, and…
- ⚠Interior Rattles and Build Quality: Rattles from dashboard, center console, infotainment screen, seatbelt area, overhead light, and doors. Loose trim pieces and poorly finished components (e.g., paddle shifter edges).
The verdict
The Lexus NX is the better choice for most buyers.
It has better fuel economy on its best-equipped version than the Lexus CT, based on the data above. If power matters more to you than running costs, the Lexus CT is worth a closer look instead.
Explore further
Other comparisons
Not sure which one fits you?
Answer a few questions and get a personalized recommendation.
Frequently asked questions
Which is more reliable, the Lexus CT or the Lexus NX?
Owner reports show similar reliability sentiment for the Lexus CT and the Lexus NX. Check the known issues listed above for specific differences between the two.
Which is better for families, the Lexus CT or the Lexus NX?
Both seat a similar number of passengers based on our data. The Lexus CT is classed as a Hatchback, the Lexus NX as a SUV, which affects cargo space and ride height for family use.
Which has better fuel economy, the Lexus CT or the Lexus NX?
The Lexus NX is more fuel-efficient on paper: 0.9-1.1 L/100km combined versus 4.1 L/100km for the Lexus CT, based on the best-equipped catalogued version of each.
Which is cheaper to maintain, the Lexus CT or the Lexus NX?
Exact maintenance costs aren't in our data, but reliability signals above are the closest proxy: fewer reported issues generally means lower repair costs over time.