Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/30-19 | 265/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.26 (641.6) | 27.35 (694.6) | 2.09 (53) 8.3% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 79.36 (2015.65) | 85.91 (2182.15) | 6.56 (166.5) 8.3% |
| Sidewall Height inches (mm) | 3.13 (79.5) | 4.17 (106) | 1.04 (26.5) 33.3% |
| Revolutions per mile (km) | 798.43 (496.12) | 737.5 (458.26) | -60.92 (-37.86) -7.6% |
265/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.65 mph (34.85 km/h) |
| 25 mph (40.23 km/h) | 27.07 mph (43.56 km/h) |
| 30 mph (48.28 km/h) | 32.48 mph (52.27 km/h) |
| 35 mph (56.33 km/h) | 37.89 mph (60.98 km/h) |
| 40 mph (64.37 km/h) | 43.3 mph (69.69 km/h) |
| 45 mph (72.42 km/h) | 48.72 mph (78.4 km/h) |
| 50 mph (80.47 km/h) | 54.13 mph (87.11 km/h) |
| 55 mph (88.51 km/h) | 59.54 mph (95.83 km/h) |
| 60 mph (96.56 km/h) | 64.96 mph (104.54 km/h) |
| 65 mph (104.61 km/h) | 70.37 mph (113.25 km/h) |
| 70 mph (112.65 km/h) | 75.78 mph (121.96 km/h) |
| 75 mph (120.7 km/h) | 81.2 mph (130.67 km/h) |
| 80 mph (128.75 km/h) | 86.61 mph (139.38 km/h) |
| 85 mph (136.79 km/h) | 92.02 mph (148.09 km/h) |
| 90 mph (144.84 km/h) | 97.43 mph (156.81 km/h) |
| 95 mph (152.89 km/h) | 102.85 mph (165.52 km/h) |
| 100 mph (160.93 km/h) | 108.26 mph (174.23 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
