Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 385/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 33.16 (842.2) | -2.87 (-72.98) -8% |
| Width inches (mm) | 12.52 (318) | 15.16 (385) | 2.64 (67) 21.1% |
| Circum. inches (mm) | 113.19 (2875.12) | 104.17 (2645.85) | -9.03 (-229.27) -8% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 7.58 (192.5) | -2.19 (-55.54) -22.4% |
| Revolutions per mile (km) | 559.75 (347.81) | 608.25 (377.95) | 48.5 (30.14) 8.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.41 mph (29.62 km/h) |
| 25 mph (40.23 km/h) | 23.01 mph (37.03 km/h) |
| 30 mph (48.28 km/h) | 27.61 mph (44.43 km/h) |
| 35 mph (56.33 km/h) | 32.21 mph (51.84 km/h) |
| 40 mph (64.37 km/h) | 36.81 mph (59.24 km/h) |
| 45 mph (72.42 km/h) | 41.41 mph (66.65 km/h) |
| 50 mph (80.47 km/h) | 46.01 mph (74.05 km/h) |
| 55 mph (88.51 km/h) | 50.61 mph (81.46 km/h) |
| 60 mph (96.56 km/h) | 55.22 mph (88.86 km/h) |
| 65 mph (104.61 km/h) | 59.82 mph (96.27 km/h) |
| 70 mph (112.65 km/h) | 64.42 mph (103.67 km/h) |
| 75 mph (120.7 km/h) | 69.02 mph (111.08 km/h) |
| 80 mph (128.75 km/h) | 73.62 mph (118.48 km/h) |
| 85 mph (136.79 km/h) | 78.22 mph (125.89 km/h) |
| 90 mph (144.84 km/h) | 82.82 mph (133.29 km/h) |
| 95 mph (152.89 km/h) | 87.42 mph (140.7 km/h) |
| 100 mph (160.93 km/h) | 92.03 mph (148.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1548 | 1798 | 1937 | 2022 | 2114 | 2180 | 2253 | 2338 | 2457 | 2575 | 2707 | 2813 | 3004 | 3214 | 3379 | 3484 | 3544 | 3761 | 4064 | 4723 |
Better Fuel Economy Factory Ratios Increased Power
