Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-19 | 33/12.5-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.83 (757.6) | 33.02 (838.76) | 3.2 (81.16) 10.7% |
| Width inches (mm) | 10.83 (275) | 12.52 (318) | 1.69 (43) 15.6% |
| Circum. inches (mm) | 93.7 (2380.07) | 103.74 (2635.04) | 10.04 (254.97) 10.7% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 7.01 (178.08) | 1.6 (40.58) 29.5% |
| Revolutions per mile (km) | 676.17 (420.15) | 610.75 (379.5) | -65.43 (-40.65) -9.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.14 mph (35.64 km/h) |
| 25 mph (40.23 km/h) | 27.68 mph (44.54 km/h) |
| 30 mph (48.28 km/h) | 33.21 mph (53.45 km/h) |
| 35 mph (56.33 km/h) | 38.75 mph (62.36 km/h) |
| 40 mph (64.37 km/h) | 44.29 mph (71.27 km/h) |
| 45 mph (72.42 km/h) | 49.82 mph (80.18 km/h) |
| 50 mph (80.47 km/h) | 55.36 mph (89.09 km/h) |
| 55 mph (88.51 km/h) | 60.89 mph (98 km/h) |
| 60 mph (96.56 km/h) | 66.43 mph (106.91 km/h) |
| 65 mph (104.61 km/h) | 71.96 mph (115.81 km/h) |
| 70 mph (112.65 km/h) | 77.5 mph (124.72 km/h) |
| 75 mph (120.7 km/h) | 83.03 mph (133.63 km/h) |
| 80 mph (128.75 km/h) | 88.57 mph (142.54 km/h) |
| 85 mph (136.79 km/h) | 94.11 mph (151.45 km/h) |
| 90 mph (144.84 km/h) | 99.64 mph (160.36 km/h) |
| 95 mph (152.89 km/h) | 105.18 mph (169.27 km/h) |
| 100 mph (160.93 km/h) | 110.71 mph (178.18 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 | 1806 | 1944 | 2030 | 2123 | 2189 | 2262 | 2348 | 2467 | 2586 | 2718 | 2824 | 3016 | 3228 | 3393 | 3499 | 3558 | 3776 | 4081 | 4742 |
Better Fuel Economy Factory Ratios Increased Power
