Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 265/45-23 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 32.39 (822.7) | -0.22 (-5.5) -0.7% |
| Width inches (mm) | 12.01 (305) | 10.43 (265) | -1.57 (-40) -13.1% |
| Circum. inches (mm) | 102.44 (2601.87) | 101.76 (2584.59) | -0.68 (-17.28) -0.7% |
| Sidewall Height inches (mm) | 4.8 (122) | 4.69 (119.25) | -0.11 (-2.75) -2.3% |
| Revolutions per mile (km) | 618.53 (384.34) | 622.67 (386.91) | 4.14 (2.57) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.87 mph (31.97 km/h) |
| 25 mph (40.23 km/h) | 24.83 mph (39.97 km/h) |
| 30 mph (48.28 km/h) | 29.8 mph (47.96 km/h) |
| 35 mph (56.33 km/h) | 34.77 mph (55.95 km/h) |
| 40 mph (64.37 km/h) | 39.73 mph (63.95 km/h) |
| 45 mph (72.42 km/h) | 44.7 mph (71.94 km/h) |
| 50 mph (80.47 km/h) | 49.67 mph (79.93 km/h) |
| 55 mph (88.51 km/h) | 54.63 mph (87.93 km/h) |
| 60 mph (96.56 km/h) | 59.6 mph (95.92 km/h) |
| 65 mph (104.61 km/h) | 64.57 mph (103.91 km/h) |
| 70 mph (112.65 km/h) | 69.54 mph (111.91 km/h) |
| 75 mph (120.7 km/h) | 74.5 mph (119.9 km/h) |
| 80 mph (128.75 km/h) | 79.47 mph (127.89 km/h) |
| 85 mph (136.79 km/h) | 84.44 mph (135.89 km/h) |
| 90 mph (144.84 km/h) | 89.4 mph (143.88 km/h) |
| 95 mph (152.89 km/h) | 94.37 mph (151.87 km/h) |
| 100 mph (160.93 km/h) | 99.34 mph (159.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1585 | 1841 | 1982 | 2070 | 2164 | 2232 | 2306 | 2394 | 2515 | 2636 | 2771 | 2879 | 3075 | 3291 | 3459 | 3567 | 3628 | 3850 | 4160 | 4835 |
Better Fuel Economy Factory Ratios Increased Power
