2015 Suzuki SX4 petrol: common problems and MOT failures
What MOT testers find on the petrol Suzuki SX4 first registered in 2015 (petrol cars only): we looked at the 8,935 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2015 Suzuki SX4 petrol?
Parts flagged at MOT more often on the 2015 Suzuki SX4 petrol than on all cars registered in 2015.
- Rigid brake pipes2.6× usualSuzuki SX45.4% All 2015 cars2.1%
Failed outright at MOT: 0.7%, against 0.3% of all 2015 cars. The rest were advisories or minor defects.
Rough price £100–£400 our estimateAt the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.
- Braking performance2.1× usualSuzuki SX46.3% All 2015 cars3%
Failed outright at MOT: 1.2%, against 1.1% of all 2015 cars. The rest were advisories or minor defects.
Rough price £100–£350 our estimateAt the viewing: On a quiet road, brake firmly from about 30mph. The car should stop straight without pulling.
Suspension arm bushes and joints: 1.3% here, against 5.9% of all 2015 cars. Coil springs: 0.7% here, against 4.3% of all 2015 cars.
Common 2015 Suzuki SX4 petrol MOT failures and advisories
The share of 2015 Suzuki SX4 petrol MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres30% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Brakes27% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Lights and electrics11% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Suspension8% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Wipers, windscreen and mirrors7% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Seats and seatbelts3% of testsRough price £80–£250
At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.
Known faults on the 2015 Suzuki SX4 petrol
Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.
- All engines
Squeaks and rattles
Some owners complain about interior squeaks and rattles, and the plastics scratch easily.
At the viewing: Listen on a rough road.
Source: What Car?: used Suzuki SX4 S-Cross (2013-2021) reliability
Questions to ask the seller before buying a 2015 Suzuki SX4 petrol
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the rigid brake pipes? (Flagged at MOT 2.6× as often on the 2015 Suzuki SX4 petrol as on other cars the same age.)
- Any recent work on the braking performance? (Flagged at MOT 2.1× as often on the 2015 Suzuki SX4 petrol as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Suzuki SX4?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Suzuki SX4 compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2025 | – | Too new for MOT data |
| 2024 | – | Too new for MOT data |
| 2023 | 273 | Tyres 18% |
| 2022 | 2,763 | Tyres 15% |
| 2021 | 3,424 | Tyres 18% |
| 2020 | 2,696 | Tyres 20% |
| 2019 | 6,041 | Tyres 23% |
| 2018 | 8,039 | Tyres 27% |
| 2017 | 9,612 | Tyres 27% |
| 2016 | 10,093 | Tyres 29% |
| 2014 | 19,136 | Brakes 32% |
| 2013 | 9,933 | Brakes 36% |
| 2012 | 5,827 | Suspension 48% |
| 2011 | 6,671 | Suspension 50% |
| 2010 | 6,077 | Suspension 52% |
| 2009 | 5,778 | Suspension 55% |
| 2008 | 7,373 | Suspension 56% |
| 2007 | 6,942 | Suspension 54% |
| 2006 | 2,776 | Suspension 53% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Suzuki SX4 cars first registered in 2015. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score