Should I check the MOT history before buying a 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Is the 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV reliable?

Based on MOT data from 720 vehicles, the 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV has a first-time MOT pass rate of 93.4%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Suzuki Sx4 S Cross Sz T B Jet MHEV (2021)

720 real MOT outcomes analysed • 93.4% first-time pass rate

2021 Suzuki Sx4 S Cross Sz T B Jet MHEV

CarHunch analysed 720 real MOT records for the 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution MOT Averages Colour Breakdown Compare Models

The 2021 Suzuki SX4 S-Cross SZ-T is a genuinely reliable proposition, with a first-time pass rate of 92.5% — well above the UK average of 80% — and a negligible 3.8% of vehicles ever recording a dangerous defect. The hybrid powertrain shows no weakness, maintaining that same 92.4% pass rate across the 718 hybrids in this sample.

At 26,146 miles average, these cars are running low for their age, which explains why owners are seeing fewer real problems — averaging just 0.22 failures per vehicle and 1.1 minor advisories. If you're buying one, check the full service history and that the hybrid battery shows no warning lights, but this is one of the safer secondhand bets in the compact SUV space right now.

The 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV passes its MOT first time more often than most UK vehicles (93.4% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

First-time pass

93.4%

UK average ~80%

Better than average

Dangerous (ever)

3.8%

At least once in MOT history

Check this vehicle

Avg failures / car

0.22

Over 2.3 tests on record

Low

Typical mileage

23k

Middle half: 17k–34k

For context

✅ Good baseline reliability. A 93.4% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

These stats describe 720 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

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See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 720 Suzuki Sx4 S Cross Sz T B Jet MHEV cars.

Before you buy a 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV

Based on MOT data from 720 vehicles — here's what to check.

📋 Check the full MOT history. 3.8% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Hybrid Electric (Clean) (100%)	718	93.4%	0.22

Colour Breakdown

Based on 970 Suzuki Sx4 S Cross Sz T B Jet MHEV vehicles registered in the UK — across all years. From DVLA registration records.

Blue 23.9%

232

White 20.2%

196

Red 17.9%

174

Grey 15.1%

146

Black 12%

116

Silver 10.9%

106

Mileage Distribution

Most 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

23,344

typical

16,531

low mileage

33,525

high mileage

Half of all 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV vehicles fall between 16,531 and 33,525 miles.

Is the mileage you're seeing normal?

✓ Under 16,531 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 16,531–33,525 miles — normal for age. This is where most 2021 Suzuki Sx4 S Cross Sz T B Jet MHEVs sit.

⚠ Over 45,258 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

2.3

Avg MOT tests per vehicle

0.22

Avg failures per vehicle

1.1

Avg advisories per vehicle

Other model years — Suzuki Sx4 S Cross Sz T B Jet MHEV: All Sx4 S Cross Sz T B Jet MHEV years → Which year to buy? →

2020

Or browse all models: Suzuki →

Compare with another model

See how the 2021 Suzuki Sx4 S Cross Sz T B Jet MHEV stacks up against a rival.

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