Generations
L550 — First Generation
2014–2024
2.0 Turbo Petrol, 2.0 TD4, 2.0 Diesel, 2.2 SD4
Top issues to watch for
The most serious Land Rover Discovery Sport problems ranked by severity. We track 5 known issues — here are the ones you need to know about first.
Major
DPF blockage and excessive smoke opacity (L550)
The diesel particulate filter (DPF) blocks with soot on Discovery Sport diesel engines, particularly on vehicles used for short urban journeys that do not reach full operating temperature regularly. MOT data shows this model fails smoke opacity tests at up to 9.1x the fleet average, indicating widespread DPF problems. The regeneration process requires sustained high exhaust temperatures that are not achieved during stop-start driving. This affects all diesel variants but is most severe on the 2.0 TD4 engine.
What happens if ignoredA completely blocked DPF will cause the vehicle to enter limp mode with severely restricted performance. DPF replacement costs £1,500-£3,000 at a main dealer. Some specialists offer cleaning services for £300-£600 but success rates vary. The car may be driven short distances in limp mode but should not be used for long journeys.
Independent garage
£300–£600
Specialist
£400–£800
Main dealer
£1,500–£3,000
Parts only
£800–£1,800
Major
Premature suspension component wear (L550)
Discovery Sport models experience premature wear of suspension bushes, ball joints, and control arm components. The issue affects front and rear suspension components and appears related to the vehicle's weight and suspension design rather than driving conditions. This leads to poor handling, uneven tyre wear, and MOT failures at relatively low mileages.
What happens if ignoredWorn suspension components cause poor handling, increased stopping distances, and uneven tyre wear that can cost £600+ to replace. Failed components will cause MOT failure. Severely worn ball joints can separate causing loss of control. The vehicle remains driveable with minor wear but should be inspected promptly.
Independent garage
£300–£800
Specialist
£400–£1,000
Main dealer
£600–£1,500
Parts only
£150–£500
Major
9-speed automatic transmission malfunction (L550)
The 9-speed automatic transmission fitted to Discovery Sport models can suffer from internal component failures leading to complete loss of drive or transmission entering failsafe mode. NHTSA complaints document sudden transmission failures with no prior warning, displaying 'Gearbox Failed' messages on the dashboard. The issue appears to affect the valve body and torque converter, with some failures occurring during routine driving rather than under stress. This transmission shares components with other Jaguar Land Rover models that experience similar problems.
What happens if ignoredComplete transmission failure leaves the vehicle immobilised and requires recovery. Transmission rebuild costs £3,000-£6,000 at specialists or £8,000+ at main dealers. Some failures can be repaired with valve body replacement for £1,500-£2,500. The vehicle should not be driven if transmission warning messages appear as continued operation can cause additional internal damage.
Independent garage
£2,500–£4,000
Specialist
£3,000–£5,000
Main dealer
£6,000–£10,000
Parts only
£2,000–£4,000
Minor
Exhaust system corrosion and leaks (L550)
Discovery Sport models suffer from premature exhaust system corrosion and component failure. MOT data shows this model fails exhaust security and leakage tests at up to 9.2x the fleet average, with failures occurring on relatively new vehicles from 20,000 miles. The issue affects the exhaust pipe joints, silencer boxes, and mounting brackets. Corrosion appears accelerated compared to similar vehicles, possibly due to design factors or material specifications affecting the exhaust system longevity.
What happens if ignoredExhaust leaks can cause carbon monoxide to enter the cabin creating a health hazard. Failed exhaust components will cause MOT failure. Complete exhaust system replacement costs £800-£1,500. Minor leaks can often be temporarily repaired with exhaust paste but permanent repair requires component replacement.
Independent garage
£200–£600
Specialist
£250–£800
Main dealer
£400–£1,200
Parts only
£150–£500
1 more known issues tracked
Including wear items, electrical niggles, and generation-specific problems. Check a specific car to see which issues apply to its age and mileage.
Check a specific car →MOT failure hotspots
Based on DVSA MOT test data. These are the items where the Land Rover Discovery Sport fails at a significantly higher rate than the average car.
Front or rear fog lamp with a multiple light so...
Lights & Electrics · 0-20k miles
MOT failure rate: 83x the fleet average
Sample: 24,982 tests
Obligatory rear fog lamp missing, or a front or...
Lights & Electrics · 20-40k miles
MOT failure rate: 59x the fleet average
Sample: 106,188 tests
Headlight fault
Lights & Electrics · 100-120k miles
MOT failure rate: 18x the fleet average
Sample: 6,545 tests
Service brake efficiency below minimum requirement
Brakes · 20-40k miles
MOT failure rate: 14x the fleet average
Sample: 136,695 tests
Lens defective which has no effect on emitted l...
Lights & Electrics · 0-20k miles
MOT failure rate: 14x the fleet average
Sample: 29,006 tests
Front or rear fog lamp emitted colour, position...
Lights & Electrics · 80-100k miles
MOT failure rate: 14x the fleet average
Sample: 21,425 tests
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Related
Land Rover Discovery Sport reliability FAQs
What are the most common problems with the Land Rover Discovery Sport?
The Land Rover Discovery Sport has 5 known issues across 2 severity levels. The most common problems relate to DPF blockage and excessive smoke opacity (L550) and Premature suspension component wear (L550).
Is the Land Rover Discovery Sport reliable?
The Land Rover Discovery Sport has 0 dangerous and 3 major known issues. No dangerous issues are tracked, which is a positive sign.
How much does it cost to fix Land Rover Discovery Sport problems?
Repair costs range widely. The most significant issue (DPF blockage and excessive smoke opacity (L550)) costs £300–£600 at an independent garage. Minor issues can be under £200. Always get a full inspection before buying.