Fault File
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Lexus CT

All generations and engines together · 31,025 MOT tests in the 2025 data · typical mileage at age 7: 60k

First-time failure at age 7
11.9%
Across 2,845 tests. The average across all tracked models is 19.5%.
Rank at age 7
20 of 239
1 = lowest failure rate among the models tracked.
Typical mileage at age 7
60k miles
Check the mileage view below; low-mileage models can look better by age than they are.

How this model wears

Lexus CTClass average, all tracked models

Known issues

Measured

Computed from DVSA MOT results, all of Great Britain, 2025. Nothing here is opinion.

What testers flag

Share of tests where each item was recorded. The dark tick is the class average across all tracked models; bars are scaled within each group.

Faults with the car itself

The rows that judge the model rather than its keeper. 11,187 tests in this band.

A suspension pin, bush or joint excessively worn
Advisory
4.3%class 5.9%
A headlamp or light source missing, inoperative or more than ½ not functioning in the case of LED
Fail
2.1%class 0.8%
A wheel badly distorted or wear between wheel and hub at spigot mounting
Advisory
0.8%class 0.6%
A shock absorber damaged to the extent that it does not function or showing signs of severe leakage
Advisory
0.5%class 2.3%
Parking brake efficiency below minimum requirement
Fail
0.5%class 0.3%
Significant brake effort recorded with no brake applied indicating a binding brake
Advisory
0.4%class 0.7%

Wear, upkeep and luck

Tyres, pads and stone chips say more about how the car was driven and maintained than about how it was built.

Tyre tread depth not in accordance with the requirements
Advisory
22.1%class 22.9%
A tyre seriously damaged
Advisory
20.2%class 13.4%
A brake lining or pad worn below 1.5mm
Advisory
10.9%class 8.7%
Brake disc or drum excessively weakened, insecure or fractured
Advisory
7.1%class 10.1%
Brake disc or drum significantly and obviously worn
Advisory
3.9%class 3.4%
A tyre seriously damaged
Fail
2.9%class 2.5%
Wiper blade missing or obviously not clearing the windscreen
Fail
2.2%class 1.7%
Tyre tread depth not in accordance with the requirements
Fail
1.9%class 2.2%

Unconfirmed issues

Reported

Owner folklore from forums and the motoring press. Most of it never shows up in an MOT, which is why this section exists at all.

Halogen headlight bulbs blowing early

Partly in the MOT data

On 2011-2013 CT200h cars with halogen headlamps, the low-beam bulbs can burn out well before their rated life because the wiring feeds them too much voltage. Lexus ran a Customer Support Program fitting a corrected wiring harness and swapping both bulbs, even when only one side had failed, though that programme has since expired. The measured MOT data for this segment flags lights and electrics as the standout fault too; this harness issue is a real, documented slice of that, but most of the wider signature is probably down to everyday bulb wear rather than this specific fix.

Mainly 2011-2013 halogen cars · programme ran until Oct 2019, now a paid dealer/specialist job · sources: Lexus/NHTSA technical service bulletin filings, Lexus Owners Club UK forum, ct200h forum

1.8 hybrid engine burning oil

Confirmed pattern

The naturally aspirated 1.8 petrol engine, shared with the Prius and Auris of the same era, can use noticeably more oil than it should, sometimes needing a top-up between scheduled services. Toyota and Lexus acknowledged it with a service bulletin covering a redesigned piston and ring set, and dealers would run an oil consumption test if an owner reported the symptom. Worth checking on any secondhand CT, since ignoring it on top of infrequent oil changes is what turns a manageable issue into worn bores.

Reported across 2010-2014-built cars · repair covered under the bulletin where still applicable, otherwise a full engine strip job · sources: Toyota/Lexus technical service bulletin (2ZR-FXE engine), Toyota Nation forum, owner reports on mycarly

12V battery flattens if the car sits

Emerging

Owners repeatedly report the small 12V battery draining if the car is left for a couple of weeks, which can leave the whole car dead because the hybrid system needs that battery to wake up, even with a perfectly healthy main drive battery. It isn't treated as a design fault, more a parasitic-drain quirk, and Lexus's own guidance is to disconnect the negative terminal for long-term storage. A jump-start or trickle charge usually clears it, and battery age is the main variable.

Any age, worse on low-mileage or rarely-driven cars · sources: ct200h forum, ClubLexus, Lexus service documentation

Hybrid drive battery losing capacity

High-mileage cars only

The main hybrid battery pack is generally long-lived, these Toyota-derived units routinely run past 150,000 miles, but on higher-mileage or neglected cars it can lose capacity. That shows up as flatter acceleration and mpg slipping under 50. A dealer or specialist state-of-health check costs roughly £100-150, and a replacement pack (new or reconditioned) runs about £900-2,500 depending on supplier. Only really a concern once a car is well past Lexus's 8-year/100,000-mile hybrid warranty.

Mainly 100k+ miles or 8+ years old · sources: Lexus Owners Club UK forum, UK hybrid battery specialists (Hybrid Repair Service, JK Repair)

Damp boot from a blocked sunroof drain

Emerging

A recurring forum complaint is water pooling in the boot or spare wheel well, traced by dealers to a loose drain line that should carry sunroof water down to the rear wheel arch; when it comes adrift it dumps water into the boot and 12V battery area instead. Symptoms are a musty smell, damp carpet or visible pooling after rain. It's a seal/hose fix rather than a manufacturer campaign, cheap once found, but a boot left wet for months can corrode the battery tray underneath.

Various ages, more common on sunroof-equipped cars · sources: ct200h forum, PistonHeads

Clunky infotainment and Remote Touch controller

Disputed

The screen and mouse-style Remote Touch controller are widely criticised as fiddly and dated, even against rivals from the same era, and the built-in sat-nav is slow to use on the move. It isn't a fault so much as Lexus's electronics ageing badly against smartphone mirroring, and owners are split: some fit a phone holder and ignore it, others rate it as a genuine annoyance day to day. Try it before you buy, since it can't be retrofitted to anything newer.

All model years, more noticeable on pre-facelift cars · sources: Honest John, heycar/What Car review roundups, PistonHeads

Viewing one? Ask this

Built from the two sections above.

Turn on the headlights and compare both low beams for brightness. A dim or recently-replaced bulb points at the voltage harness issue on 2011-13 halogen cars.
Check the service book for any oil top-ups between changes. Frequent top-ups signal the known oil-consumption problem on the 1.8 hybrid engine.
Ask whether the car has sat unused for more than a couple of weeks at a stretch. That's when the 12V battery drain tends to show up as a no-start.
Ask for or arrange a hybrid battery state-of-health check. A reading much below 70% means a costly pack replacement is coming.
Lift the boot floor and check the spare wheel well and battery tray for damp or rust. Staining or corrosion there points to the sunroof drain leak.
Try the sat-nav and Remote Touch controller while moving. If it already feels painfully slow, that's normal for the car, not a fault to negotiate on, but factor it into your view of daily usability.
Pull the full MOT history, not just the pass/fail line. Repeated lighting or electrical advisories match this model's measured weak point.

Others in its class

Same segment (Family hatchbacks), best MOT record first. Compare before you shortlist.