Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-16.5 | 265/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.86) | 31.56 (801.7) | -1.46 (-37.16) -4.4% |
| Width inches (mm) | 12.52 (318) | 10.43 (265) | -2.09 (-53) -16.7% |
| Circum. inches (mm) | 103.75 (2635.36) | 99.16 (2518.61) | -4.6 (-116.74) -4.4% |
| Sidewall Height inches (mm) | 8.26 (209.88) | 6.78 (172.25) | -1.48 (-37.63) -17.9% |
| Revolutions per mile (km) | 610.67 (379.45) | 638.98 (397.04) | 28.31 (17.59) 4.6% |
265/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.11 mph (30.76 km/h) |
| 25 mph (40.23 km/h) | 23.89 mph (38.45 km/h) |
| 30 mph (48.28 km/h) | 28.67 mph (46.14 km/h) |
| 35 mph (56.33 km/h) | 33.45 mph (53.83 km/h) |
| 40 mph (64.37 km/h) | 38.23 mph (61.52 km/h) |
| 45 mph (72.42 km/h) | 43.01 mph (69.21 km/h) |
| 50 mph (80.47 km/h) | 47.79 mph (76.9 km/h) |
| 55 mph (88.51 km/h) | 52.56 mph (84.59 km/h) |
| 60 mph (96.56 km/h) | 57.34 mph (92.28 km/h) |
| 65 mph (104.61 km/h) | 62.12 mph (99.97 km/h) |
| 70 mph (112.65 km/h) | 66.9 mph (107.66 km/h) |
| 75 mph (120.7 km/h) | 71.68 mph (115.35 km/h) |
| 80 mph (128.75 km/h) | 76.46 mph (123.04 km/h) |
| 85 mph (136.79 km/h) | 81.23 mph (130.73 km/h) |
| 90 mph (144.84 km/h) | 86.01 mph (138.43 km/h) |
| 95 mph (152.89 km/h) | 90.79 mph (146.12 km/h) |
| 100 mph (160.93 km/h) | 95.57 mph (153.81 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
