Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/30-24 | 285/30-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.02 (762.6) | 30.73 (780.6) | 0.71 (18) 2.4% |
| Width inches (mm) | 10.04 (255) | 11.22 (285) | 1.18 (30) 11.8% |
| Circum. inches (mm) | 94.32 (2395.78) | 96.55 (2452.33) | 2.23 (56.55) 2.4% |
| Sidewall Height inches (mm) | 3.01 (76.5) | 3.37 (85.5) | 0.35 (9) 11.8% |
| Revolutions per mile (km) | 671.74 (417.4) | 656.25 (407.78) | -15.49 (-9.62) -2.3% |
285/30-24 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.47 mph (32.95 km/h) |
| 25 mph (40.23 km/h) | 25.59 mph (41.18 km/h) |
| 30 mph (48.28 km/h) | 30.71 mph (49.42 km/h) |
| 35 mph (56.33 km/h) | 35.83 mph (57.66 km/h) |
| 40 mph (64.37 km/h) | 40.94 mph (65.89 km/h) |
| 45 mph (72.42 km/h) | 46.06 mph (74.13 km/h) |
| 50 mph (80.47 km/h) | 51.18 mph (82.37 km/h) |
| 55 mph (88.51 km/h) | 56.3 mph (90.6 km/h) |
| 60 mph (96.56 km/h) | 61.42 mph (98.84 km/h) |
| 65 mph (104.61 km/h) | 66.53 mph (107.08 km/h) |
| 70 mph (112.65 km/h) | 71.65 mph (115.31 km/h) |
| 75 mph (120.7 km/h) | 76.77 mph (123.55 km/h) |
| 80 mph (128.75 km/h) | 81.89 mph (131.79 km/h) |
| 85 mph (136.79 km/h) | 87.01 mph (140.02 km/h) |
| 90 mph (144.84 km/h) | 92.12 mph (148.26 km/h) |
| 95 mph (152.89 km/h) | 97.24 mph (156.5 km/h) |
| 100 mph (160.93 km/h) | 102.36 mph (164.73 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1670 | 1940 | 2089 | 2182 | 2281 | 2352 | 2430 | 2523 | 2651 | 2779 | 2921 | 3034 | 3241 | 3468 | 3646 | 3759 | 3823 | 4058 | 4385 | 5095 |
Better Fuel Economy Factory Ratios Increased Power
