Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-23 | 33/13.5-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.2 (767.2) | 33.07 (840.06) | 2.87 (72.86) 9.5% |
| Width inches (mm) | 12.01 (305) | 13.5 (343) | 1.5 (38) 12.5% |
| Circum. inches (mm) | 94.89 (2410.23) | 103.9 (2639.13) | 9.01 (228.9) 9.5% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 5.54 (140.63) | 1.93 (49.13) 53.7% |
| Revolutions per mile (km) | 667.71 (414.9) | 609.8 (378.91) | -57.91 (-35.98) -8.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.9 mph (35.24 km/h) |
| 25 mph (40.23 km/h) | 27.37 mph (44.05 km/h) |
| 30 mph (48.28 km/h) | 32.85 mph (52.87 km/h) |
| 35 mph (56.33 km/h) | 38.32 mph (61.68 km/h) |
| 40 mph (64.37 km/h) | 43.8 mph (70.49 km/h) |
| 45 mph (72.42 km/h) | 49.27 mph (79.3 km/h) |
| 50 mph (80.47 km/h) | 54.75 mph (88.11 km/h) |
| 55 mph (88.51 km/h) | 60.22 mph (96.92 km/h) |
| 60 mph (96.56 km/h) | 65.7 mph (105.73 km/h) |
| 65 mph (104.61 km/h) | 71.17 mph (114.54 km/h) |
| 70 mph (112.65 km/h) | 76.65 mph (123.35 km/h) |
| 75 mph (120.7 km/h) | 82.12 mph (132.16 km/h) |
| 80 mph (128.75 km/h) | 87.6 mph (140.97 km/h) |
| 85 mph (136.79 km/h) | 93.07 mph (149.79 km/h) |
| 90 mph (144.84 km/h) | 98.55 mph (158.6 km/h) |
| 95 mph (152.89 km/h) | 104.02 mph (167.41 km/h) |
| 100 mph (160.93 km/h) | 109.5 mph (176.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1552 | 1803 | 1941 | 2027 | 2120 | 2186 | 2258 | 2344 | 2463 | 2582 | 2714 | 2820 | 3011 | 3223 | 3388 | 3493 | 3553 | 3771 | 4074 | 4735 |
Better Fuel Economy Factory Ratios Increased Power
