Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-23 | 285/35-23 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.2 (767.2) | 30.85 (783.7) | 0.65 (16.5) 2.2% |
| Width inches (mm) | 12.01 (305) | 11.22 (285) | -0.79 (-20) -6.6% |
| Circum. inches (mm) | 94.89 (2410.23) | 96.93 (2462.07) | 2.04 (51.84) 2.2% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 3.93 (99.75) | 0.32 (8.25) 9% |
| Revolutions per mile (km) | 667.71 (414.9) | 653.66 (406.16) | -14.06 (-8.74) -2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.43 mph (32.88 km/h) |
| 25 mph (40.23 km/h) | 25.54 mph (41.1 km/h) |
| 30 mph (48.28 km/h) | 30.65 mph (49.32 km/h) |
| 35 mph (56.33 km/h) | 35.75 mph (57.54 km/h) |
| 40 mph (64.37 km/h) | 40.86 mph (65.76 km/h) |
| 45 mph (72.42 km/h) | 45.97 mph (73.98 km/h) |
| 50 mph (80.47 km/h) | 51.08 mph (82.2 km/h) |
| 55 mph (88.51 km/h) | 56.18 mph (90.42 km/h) |
| 60 mph (96.56 km/h) | 61.29 mph (98.64 km/h) |
| 65 mph (104.61 km/h) | 66.4 mph (106.86 km/h) |
| 70 mph (112.65 km/h) | 71.51 mph (115.08 km/h) |
| 75 mph (120.7 km/h) | 76.61 mph (123.3 km/h) |
| 80 mph (128.75 km/h) | 81.72 mph (131.52 km/h) |
| 85 mph (136.79 km/h) | 86.83 mph (139.74 km/h) |
| 90 mph (144.84 km/h) | 91.94 mph (147.96 km/h) |
| 95 mph (152.89 km/h) | 97.04 mph (156.18 km/h) |
| 100 mph (160.93 km/h) | 102.15 mph (164.4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1663 | 1932 | 2081 | 2173 | 2272 | 2343 | 2421 | 2513 | 2640 | 2768 | 2909 | 3022 | 3228 | 3454 | 3631 | 3744 | 3808 | 4042 | 4367 | 5075 |
Better Fuel Economy Factory Ratios Increased Power
