Based on 1,292 MOT tests from 84 vehicles analysed by VehicleScore®. The figures below describe that VehicleScore® sample. Recurring issues seen in VehicleScore® MOT data are not a claim that every TOYOTA IQ has the same fault.
TOYOTA IQ's have a very good reliability rating of 695/999. The score was calculated from the average of every TOYOTA IQ that has had a registered MOT.
We calculated all of the below figures by getting the score from each vehicle make/model/year/fuel, which are each calculated a score. We then generate the average score, taking into account factors such as mileage and emissions.
Also check BHP & performance, road tax, fuel economy, and CO2 emissions for the TOYOTA IQ.
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| Fuel Type | Year | Reliability Score | Avg Mileage | Sample Size |
|---|---|---|---|---|
| Petrol | 2013 | 745/999Very good | 92,299 miles | 601 vehicles |
| Petrol | 2012 | 721/999Very good | 85,438 miles | 1,287 vehicles |
| Petrol | 2011 | 700/999Very good | 84,003 miles | 1,364 vehicles |
| Petrol | 2010 | 674/999Good | 72,064 miles | 1,513 vehicles |
| Petrol | 2009 | 635/999Good | 68,410 miles | 1,603 vehicles |
Based on 1,292 MOT tests from 84 vehicles analysed by VehicleScore®.
Vehicles
84
MOT tests
1,292
Pass rate
83.4%
Median mileage
78,184 mi
Recurring issues seen in VehicleScore® MOT data are inspection findings from this sample. They are not a statement that every TOYOTA IQ has the same fault. The median VehicleScore® in this sample is 634 out of 999.
These groups combine equivalent MOT comments, such as the same tyre note on different corners. Counts are comment occurrences in the sample, not a percentage of cars.
VehicleScore® MOT data includes 233 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.
These MOT comments record tyres that were worn, damaged, or close to the legal tread depth when the car was inspected.
What to inspect
Check the tread depth and look for uneven wear, cracking, or damage on all four tyres.
Example MOT wording: OFFSIDE REAR TYRE SLIGHTLY DAMAGED/CRACKING OR PERISHING (5.2.3 (D) (II))
VehicleScore® MOT data includes 49 advisory comments and 11 failure comments in this group. Seen as both an advisory and a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record corrosion the tester could see on the body or structure. Corrosion already named on a spring, brake, or other component is counted with that component.
What to inspect
Inspect the underside, sills, and subframe for heavy corrosion, especially where an advisory mentions it.
Example MOT wording: OFFSIDE REAR BRAKE PIPE CORRODED, COVERED IN GREASE OR OTHER MATERIAL (1.1.11 (C))
VehicleScore® MOT data includes 44 advisory comments and 6 failure comments in this group. Seen as both an advisory and a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record brake pads that were worn or below the inspection limit.
What to inspect
Ask for recent pad replacement and look at the remaining pad thickness.
Example MOT wording: FRONT BRAKE PAD(S) WEARING THIN (1.1.13 (A) (II))
VehicleScore® MOT data includes 47 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.
These MOT comments record coil springs that were corroded, fractured, or otherwise defective. They are counted separately from shock absorbers.
What to inspect
Look for a broken or heavily corroded spring and compare the ride height on both sides.
Example MOT wording: NEARSIDE REAR COIL SPRING CORRODED (5.3.1 (B) (I))
VehicleScore® MOT data includes 22 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.
These MOT comments record brake discs that were worn, scored, pitted, or corroded.
What to inspect
Look at the disc faces for deep scoring, a lip at the edge, and corrosion.
Example MOT wording: REAR BRAKE DISC WORN, PITTED OR SCORED, BUT NOT SERIOUSLY WEAKENED (1.1.14 (A) (II))
VehicleScore® MOT data includes 20 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record chips, cracks, or other windscreen damage in the driver’s view.
What to inspect
Look for chips and cracks, especially in the area swept by the wipers.
Example MOT wording: NEARSIDE FRONT WINDSCREEN WIPER DOES NOT CLEAR THE WINDSCREEN EFFECTIVELY (3.4 (B) (II))
VehicleScore® MOT data includes 15 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record a lamp or bulb other than a headlamp or indicator.
What to inspect
Switch on the side, brake, fog, and number-plate lamps.
Example MOT wording: ELECTRONIC STABILITY CONTROL WARNING LAMP INDICATES A FAULT (7.12 (E))
VehicleScore® MOT data includes 9 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.
These MOT comments record an engine warning lamp that was on, or did not work, during the inspection.
What to inspect
Switch on the ignition and confirm the lamp comes on and then goes out. Ask what was diagnosed if it stayed on.
Example MOT wording: ENGINE MIL INOPERATIVE OR INDICATES A MALFUNCTION (8.2.1.2 (H))
A model year is only commented on when VehicleScore® has at least 5 vehicles from that year.
| Year | Vehicles | MOT tests | Pass rate | Recurring issues seen |
|---|---|---|---|---|
| 2013 | 5 | 49 | 87.8% | Tyre wear, Brake disc wear |
| 2012 | 10 | 139 | 86.3% | Exhaust, Tyre wear |
| 2011 | 17 | 247 | 85.4% | Tyre wear, Brake pad wear |
| 2010 | 17 | 267 | 80.1% | Tyre wear, Brake pad wear |
| 2009 | 31 | 544 | 82.5% | Tyre wear, Corrosion |
This is an inspection checklist based on MOT comments in the VehicleScore® sample. It does not mean the car you are looking at has these defects.
Tyre wear. Check the tread depth and look for uneven wear, cracking, or damage on all four tyres.
Corrosion. Inspect the underside, sills, and subframe for heavy corrosion, especially where an advisory mentions it.
Brake pad wear. Ask for recent pad replacement and look at the remaining pad thickness.
Coil spring issues. Look for a broken or heavily corroded spring and compare the ride height on both sides.
Brake disc wear. Look at the disc faces for deep scoring, a lip at the edge, and corrosion.
Windscreen damage. Look for chips and cracks, especially in the area swept by the wipers.
Lamp and bulb faults. Switch on the side, brake, fog, and number-plate lamps.
Engine warning lamp. Switch on the ignition and confirm the lamp comes on and then goes out. Ask what was diagnosed if it stayed on.
Common problems tell you what can affect TOYOTA IQs generally. VehicleScore® can check the history of the actual car you're considering.
VehicleScore® analyses MOT histories from vehicles in its own dataset. Sample sizes vary by model, and a small sample is labelled as such. MOT data records roadworthiness and inspection defects. It does not capture every mechanical or electronic problem a car can have, and a comment on one test is not proof that the model has an inherent fault.