Suzuki Sx4 S Cross Sz T Boosterjet A (2018)
2018 Suzuki Sx4 S Cross Sz T Boosterjet A
CarHunch analysed 189 real MOT records for the 2018 Suzuki Sx4 S Cross Sz T Boosterjet A. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
This 2018 Suzuki SX4 S-Cross is a serious reliability concern: only 12.4% pass first time against the UK average of 80%, and the petrol version manages just 0.6% on first attempt—a catastrophic failure rate that suggests systemic issues across this cohort. No dangerous defects have been recorded, which is the only bright spot, but the scale of the problem makes this an urgent red flag for any prospective buyer.
The median mileage of 43,750 miles is reasonable for a six-year-old car, yet these vehicles are still racking up an average of 0.01 failures each, pointing to recurring mechanical problems rather than age-related wear. Before buying any example of this model, get a pre-purchase inspection focused on the specific failure patterns affecting this generation—the MOT data suggests widespread design or manufacturing issues that standard checks might miss.
What to check before buying a 2018 Suzuki Sx4 S Cross Sz T Boosterjet A
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Suzuki Sx4 S Cross Sz T Boosterjet A
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (88%) | 166 | 0.6% | 0 |
| Other (12%) | 23 | 97.5% | 0.09 |
Mileage Distribution
Most 2018 Suzuki Sx4 S Cross Sz T Boosterjet A vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2018 Suzuki Sx4 S Cross Sz T Boosterjet A vehicles fall between 43,750 and 43,750 miles.
2018 Suzuki Sx4 S Cross Sz T Boosterjet A — Still on the Road
Numbers are declining — 10 vehicles still getting MOTs in 2025 (45% of peak).
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2022–2025.
MOT History Averages
Found a specific Suzuki Sx4 S Cross Sz T Boosterjet A?
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