Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 400/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 33.75 (857.2) | -2.28 (-57.98) -6.3% |
| Width inches (mm) | 12.52 (318) | 15.75 (400) | 3.23 (82) 25.8% |
| Circum. inches (mm) | 113.19 (2875.12) | 106.02 (2692.97) | -7.17 (-182.15) -6.3% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 7.87 (200) | -1.89 (-48.04) -19.4% |
| Revolutions per mile (km) | 559.75 (347.81) | 597.61 (371.34) | 37.86 (23.53) 6.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.73 mph (30.15 km/h) |
| 25 mph (40.23 km/h) | 23.42 mph (37.68 km/h) |
| 30 mph (48.28 km/h) | 28.1 mph (45.22 km/h) |
| 35 mph (56.33 km/h) | 32.78 mph (52.76 km/h) |
| 40 mph (64.37 km/h) | 37.47 mph (60.3 km/h) |
| 45 mph (72.42 km/h) | 42.15 mph (67.83 km/h) |
| 50 mph (80.47 km/h) | 46.83 mph (75.37 km/h) |
| 55 mph (88.51 km/h) | 51.52 mph (82.91 km/h) |
| 60 mph (96.56 km/h) | 56.2 mph (90.44 km/h) |
| 65 mph (104.61 km/h) | 60.88 mph (97.98 km/h) |
| 70 mph (112.65 km/h) | 65.57 mph (105.52 km/h) |
| 75 mph (120.7 km/h) | 70.25 mph (113.05 km/h) |
| 80 mph (128.75 km/h) | 74.93 mph (120.59 km/h) |
| 85 mph (136.79 km/h) | 79.61 mph (128.13 km/h) |
| 90 mph (144.84 km/h) | 84.3 mph (135.67 km/h) |
| 95 mph (152.89 km/h) | 88.98 mph (143.2 km/h) |
| 100 mph (160.93 km/h) | 93.66 mph (150.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1521 | 1767 | 1903 | 1987 | 2077 | 2142 | 2213 | 2297 | 2414 | 2530 | 2660 | 2763 | 2951 | 3158 | 3320 | 3423 | 3482 | 3695 | 3993 | 4640 |
Better Fuel Economy Factory Ratios Increased Power
