Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 82.5/82.5-19 | 120/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.42 (620.38) | 23.61 (599.8) | -0.81 (-20.58) -3.3% |
| Width inches (mm) | 3.27 (83) | 4.72 (120) | 1.46 (37) 44.6% |
| Circum. inches (mm) | 76.73 (1948.98) | 74.19 (1884.33) | -2.55 (-64.65) -3.3% |
| Sidewall Height inches (mm) | 2.71 (68.89) | 3.31 (84) | 0.59 (15.11) 21.9% |
| Revolutions per mile (km) | 825.74 (513.09) | 854.07 (530.69) | 28.33 (17.6) 3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.34 mph (31.12 km/h) |
| 25 mph (40.23 km/h) | 24.17 mph (38.9 km/h) |
| 30 mph (48.28 km/h) | 29 mph (46.68 km/h) |
| 35 mph (56.33 km/h) | 33.84 mph (54.46 km/h) |
| 40 mph (64.37 km/h) | 38.67 mph (62.24 km/h) |
| 45 mph (72.42 km/h) | 43.51 mph (70.02 km/h) |
| 50 mph (80.47 km/h) | 48.34 mph (77.8 km/h) |
| 55 mph (88.51 km/h) | 53.18 mph (85.58 km/h) |
| 60 mph (96.56 km/h) | 58.01 mph (93.36 km/h) |
| 65 mph (104.61 km/h) | 62.84 mph (101.14 km/h) |
| 70 mph (112.65 km/h) | 67.68 mph (108.92 km/h) |
| 75 mph (120.7 km/h) | 72.51 mph (116.7 km/h) |
| 80 mph (128.75 km/h) | 77.35 mph (124.48 km/h) |
| 85 mph (136.79 km/h) | 82.18 mph (132.26 km/h) |
| 90 mph (144.84 km/h) | 87.01 mph (140.04 km/h) |
| 95 mph (152.89 km/h) | 91.85 mph (147.82 km/h) |
| 100 mph (160.93 km/h) | 96.68 mph (155.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2173 | 2525 | 2719 | 2839 | 2969 | 3061 | 3163 | 3283 | 3450 | 3616 | 3801 | 3949 | 4217 | 4513 | 4745 | 4893 | 4976 | 5281 | 5706 | 6631 |
Better Fuel Economy Factory Ratios Increased Power
