Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 33/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 33.03 (838.92) | -3 (-76.26) -8.3% |
| Width inches (mm) | 12.52 (318) | 12.52 (318) | 0 (0) 0% |
| Circum. inches (mm) | 113.19 (2875.12) | 103.76 (2635.54) | -9.43 (-239.58) -8.3% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 9.01 (228.96) | -0.75 (-19.08) -7.7% |
| Revolutions per mile (km) | 559.75 (347.81) | 610.63 (379.43) | 50.88 (31.62) 9.1% |
33/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.33 mph (29.5 km/h) |
| 25 mph (40.23 km/h) | 22.92 mph (36.88 km/h) |
| 30 mph (48.28 km/h) | 27.5 mph (44.26 km/h) |
| 35 mph (56.33 km/h) | 32.08 mph (51.63 km/h) |
| 40 mph (64.37 km/h) | 36.67 mph (59.01 km/h) |
| 45 mph (72.42 km/h) | 41.25 mph (66.39 km/h) |
| 50 mph (80.47 km/h) | 45.83 mph (73.76 km/h) |
| 55 mph (88.51 km/h) | 50.42 mph (81.14 km/h) |
| 60 mph (96.56 km/h) | 55 mph (88.51 km/h) |
| 65 mph (104.61 km/h) | 59.58 mph (95.89 km/h) |
| 70 mph (112.65 km/h) | 64.17 mph (103.27 km/h) |
| 75 mph (120.7 km/h) | 68.75 mph (110.64 km/h) |
| 80 mph (128.75 km/h) | 73.33 mph (118.02 km/h) |
| 85 mph (136.79 km/h) | 77.92 mph (125.4 km/h) |
| 90 mph (144.84 km/h) | 82.5 mph (132.77 km/h) |
| 95 mph (152.89 km/h) | 87.08 mph (140.15 km/h) |
| 100 mph (160.93 km/h) | 91.67 mph (147.52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1554 | 1805 | 1944 | 2030 | 2123 | 2189 | 2261 | 2347 | 2466 | 2585 | 2718 | 2824 | 3015 | 3227 | 3392 | 3498 | 3558 | 3776 | 4080 | 4741 |
Better Fuel Economy Factory Ratios Increased Power
