Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/40-19 | 265/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.98 (710.6) | 27.35 (694.6) | -0.63 (-16) -2.3% |
| Width inches (mm) | 11.22 (285) | 10.43 (265) | -0.79 (-20) -7% |
| Circum. inches (mm) | 87.89 (2232.42) | 85.91 (2182.15) | -1.98 (-50.27) -2.3% |
| Sidewall Height inches (mm) | 4.49 (114) | 4.17 (106) | -0.31 (-8) -7% |
| Revolutions per mile (km) | 720.9 (447.94) | 737.5 (458.26) | 16.61 (10.32) 2.3% |
265/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.55 mph (31.46 km/h) |
| 25 mph (40.23 km/h) | 24.44 mph (39.33 km/h) |
| 30 mph (48.28 km/h) | 29.32 mph (47.19 km/h) |
| 35 mph (56.33 km/h) | 34.21 mph (55.06 km/h) |
| 40 mph (64.37 km/h) | 39.1 mph (62.92 km/h) |
| 45 mph (72.42 km/h) | 43.99 mph (70.79 km/h) |
| 50 mph (80.47 km/h) | 48.87 mph (78.66 km/h) |
| 55 mph (88.51 km/h) | 53.76 mph (86.52 km/h) |
| 60 mph (96.56 km/h) | 58.65 mph (94.39 km/h) |
| 65 mph (104.61 km/h) | 63.54 mph (102.25 km/h) |
| 70 mph (112.65 km/h) | 68.42 mph (110.12 km/h) |
| 75 mph (120.7 km/h) | 73.31 mph (117.98 km/h) |
| 80 mph (128.75 km/h) | 78.2 mph (125.85 km/h) |
| 85 mph (136.79 km/h) | 83.09 mph (133.71 km/h) |
| 90 mph (144.84 km/h) | 87.97 mph (141.58 km/h) |
| 95 mph (152.89 km/h) | 92.86 mph (149.45 km/h) |
| 100 mph (160.93 km/h) | 97.75 mph (157.31 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1877 | 2180 | 2348 | 2452 | 2564 | 2644 | 2731 | 2835 | 2979 | 3123 | 3282 | 3410 | 3642 | 3897 | 4097 | 4225 | 4297 | 4560 | 4928 | 5726 |
Better Fuel Economy Factory Ratios Increased Power
