The 275/40R19 is a common tire size for performance and sports cars such as BMW 3 Series, Volkswagen GTI, and Audi A4.
With a 110.0 mm sidewall (40% aspect ratio), this low-profile tire delivers sharp steering response and precise cornering grip, though the ride feels firmer over rough surfaces.
Compared to the baseline 245/40R19, this tire's overall diameter differs by +3.5% — a speedometer calibrated for 245/40R19 would read 96.6 km/h at an actual 100 km/h.
When replacing, verify that your wheel well can accommodate the 702.6 mm overall diameter. Keep speedometer deviation within ±3% for safety and legal compliance.
| Tire Code | 275/40R19 |
| Section Width | 275 mm |
| Aspect Ratio | 40% |
| Rim Diameter | 19" |
| Sidewall Height | 110.0 mm |
| Overall Diameter | 702.6 mm / 27.66" |
| Circumference | 2207.3 mm / 86.90" |
| Revolutions per km | 453.0 |
| Revolutions per mile | 729.1 |
| Tire Code | OD (mm) | Δ mm | Δ % | Speedo at 100 km/h |
|---|---|---|---|---|
| 275/35R19 | 675.1 | -27.5 | -3.9% | 104.1 |
| 275/40R18 | 677.2 | -25.4 | -3.6% | 103.8 |
| 245/40R19 | 678.6 | -24.0 | -3.4% | 103.5 |
| 255/40R19 | 686.6 | -16.0 | -2.3% | 102.3 |
| 275/40R19 (current) | 702.6 | — | — | 100.0 |