2018 BMW 540I vs 2018 Hyundai Elantra
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2018 BMW 540I | 2018 Hyundai Elantra |
|---|---|---|
| NHTSA complaints | 29 | 280 |
| Recall campaigns | 2 | 0 |
| Service bulletins (TSBs) | 286 | 120 |
| Investigations | 0 | 0 |
| Crash reports | 3 | 12 |
| Fire reports | 0 | 7 |
| NCAP overall rating | — | 4/5 |
| EPA MPG (combined) | 24 | 25–35 |
| Median reported incident mileage | — | 35,000 mi |
Reported problems side by side
| Component | BMW 540I | Hyundai Elantra |
|---|---|---|
| Engine | 3 | 139 |
| Electrical System | 4 | 43 |
| Air Bags | 14 | 12 |
| Power Train | 2 | 24 |
| Fuel/propulsion System | 0 | 19 |
| Service Brakes | 1 | 15 |
| Exterior Lighting | 0 | 16 |
| Steering | 0 | 15 |
Symptoms owners describe
| Stalling | 0 | 47 |
| Check engine light | 0 | 35 |
| Misfire / rough idle | 0 | 13 |
| Oil consumption | 0 | 12 |
| Clunking / rattling | 0 | 12 |
| Loss of power | 0 | 11 |
| Vibration / shaking | 0 | 11 |
| Rust / corrosion | 0 | 9 |
2018 BMW 540I
2018 Hyundai Elantra
Compare all BMW 540I vs Hyundai Elantra years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.