Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 340/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 34.06 (865.2) | -1.97 (-49.98) -5.5% |
| Width inches (mm) | 12.52 (318) | 13.39 (340) | 0.87 (22) 6.9% |
| Circum. inches (mm) | 113.19 (2875.12) | 107.01 (2718.11) | -6.18 (-157.02) -5.5% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 8.03 (204) | -1.73 (-44.04) -17.8% |
| Revolutions per mile (km) | 559.75 (347.81) | 592.08 (367.9) | 32.33 (20.09) 5.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.91 mph (30.43 km/h) |
| 25 mph (40.23 km/h) | 23.63 mph (38.04 km/h) |
| 30 mph (48.28 km/h) | 28.36 mph (45.64 km/h) |
| 35 mph (56.33 km/h) | 33.09 mph (53.25 km/h) |
| 40 mph (64.37 km/h) | 37.82 mph (60.86 km/h) |
| 45 mph (72.42 km/h) | 42.54 mph (68.47 km/h) |
| 50 mph (80.47 km/h) | 47.27 mph (76.07 km/h) |
| 55 mph (88.51 km/h) | 52 mph (83.68 km/h) |
| 60 mph (96.56 km/h) | 56.72 mph (91.29 km/h) |
| 65 mph (104.61 km/h) | 61.45 mph (98.89 km/h) |
| 70 mph (112.65 km/h) | 66.18 mph (106.5 km/h) |
| 75 mph (120.7 km/h) | 70.9 mph (114.11 km/h) |
| 80 mph (128.75 km/h) | 75.63 mph (121.72 km/h) |
| 85 mph (136.79 km/h) | 80.36 mph (129.32 km/h) |
| 90 mph (144.84 km/h) | 85.08 mph (136.93 km/h) |
| 95 mph (152.89 km/h) | 89.81 mph (144.54 km/h) |
| 100 mph (160.93 km/h) | 94.54 mph (152.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1507 | 1750 | 1885 | 1968 | 2058 | 2122 | 2193 | 2276 | 2392 | 2507 | 2635 | 2738 | 2924 | 3129 | 3289 | 3392 | 3449 | 3661 | 3956 | 4597 |
Better Fuel Economy Factory Ratios Increased Power
