Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 256/60-18 | 265/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.09 (764.4) | 31.56 (801.7) | 1.47 (37.3) 4.9% |
| Width inches (mm) | 10.08 (256) | 10.43 (265) | 0.35 (9) 3.5% |
| Circum. inches (mm) | 94.54 (2401.43) | 99.16 (2518.61) | 4.61 (117.18) 4.9% |
| Sidewall Height inches (mm) | 6.05 (153.6) | 6.78 (172.25) | 0.73 (18.65) 12.1% |
| Revolutions per mile (km) | 670.16 (416.42) | 638.98 (397.04) | -31.18 (-19.37) -4.7% |
265/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.98 mph (33.76 km/h) |
| 25 mph (40.23 km/h) | 26.22 mph (42.2 km/h) |
| 30 mph (48.28 km/h) | 31.46 mph (50.64 km/h) |
| 35 mph (56.33 km/h) | 36.71 mph (59.08 km/h) |
| 40 mph (64.37 km/h) | 41.95 mph (67.52 km/h) |
| 45 mph (72.42 km/h) | 47.2 mph (75.95 km/h) |
| 50 mph (80.47 km/h) | 52.44 mph (84.39 km/h) |
| 55 mph (88.51 km/h) | 57.68 mph (92.83 km/h) |
| 60 mph (96.56 km/h) | 62.93 mph (101.27 km/h) |
| 65 mph (104.61 km/h) | 68.17 mph (109.71 km/h) |
| 70 mph (112.65 km/h) | 73.42 mph (118.15 km/h) |
| 75 mph (120.7 km/h) | 78.66 mph (126.59 km/h) |
| 80 mph (128.75 km/h) | 83.9 mph (135.03 km/h) |
| 85 mph (136.79 km/h) | 89.15 mph (143.47 km/h) |
| 90 mph (144.84 km/h) | 94.39 mph (151.91 km/h) |
| 95 mph (152.89 km/h) | 99.64 mph (160.35 km/h) |
| 100 mph (160.93 km/h) | 104.88 mph (168.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1626 | 1889 | 2034 | 2124 | 2221 | 2290 | 2366 | 2456 | 2581 | 2706 | 2844 | 2955 | 3155 | 3377 | 3550 | 3660 | 3723 | 3951 | 4269 | 4961 |
Better Fuel Economy Factory Ratios Increased Power
