Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 135/55-23 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 28.85 (732.7) | -3.76 (-95.5) -11.5% |
| Width inches (mm) | 12.01 (305) | 5.31 (135) | -6.69 (-170) -55.7% |
| Circum. inches (mm) | 102.44 (2601.87) | 90.62 (2301.84) | -11.81 (-300.02) -11.5% |
| Sidewall Height inches (mm) | 4.8 (122) | 2.92 (74.25) | -1.88 (-47.75) -39.1% |
| Revolutions per mile (km) | 618.53 (384.34) | 699.15 (434.43) | 80.62 (50.09) 13% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.69 mph (28.48 km/h) |
| 25 mph (40.23 km/h) | 22.12 mph (35.59 km/h) |
| 30 mph (48.28 km/h) | 26.54 mph (42.71 km/h) |
| 35 mph (56.33 km/h) | 30.96 mph (49.83 km/h) |
| 40 mph (64.37 km/h) | 35.39 mph (56.95 km/h) |
| 45 mph (72.42 km/h) | 39.81 mph (64.07 km/h) |
| 50 mph (80.47 km/h) | 44.23 mph (71.19 km/h) |
| 55 mph (88.51 km/h) | 48.66 mph (78.31 km/h) |
| 60 mph (96.56 km/h) | 53.08 mph (85.43 km/h) |
| 65 mph (104.61 km/h) | 57.5 mph (92.55 km/h) |
| 70 mph (112.65 km/h) | 61.93 mph (99.66 km/h) |
| 75 mph (120.7 km/h) | 66.35 mph (106.78 km/h) |
| 80 mph (128.75 km/h) | 70.78 mph (113.9 km/h) |
| 85 mph (136.79 km/h) | 75.2 mph (121.02 km/h) |
| 90 mph (144.84 km/h) | 79.62 mph (128.14 km/h) |
| 95 mph (152.89 km/h) | 84.05 mph (135.26 km/h) |
| 100 mph (160.93 km/h) | 88.47 mph (142.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1779 | 2067 | 2226 | 2324 | 2430 | 2506 | 2589 | 2688 | 2824 | 2960 | 3112 | 3233 | 3452 | 3695 | 3884 | 4005 | 4073 | 4323 | 4671 | 5428 |
Better Fuel Economy Factory Ratios Increased Power
