Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/55-20 | 265/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.04 (788.5) | 32.52 (826) | 1.48 (37.5) 4.8% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 97.53 (2477.15) | 102.16 (2594.96) | 4.64 (117.81) 4.8% |
| Sidewall Height inches (mm) | 5.52 (140.25) | 6.26 (159) | 0.74 (18.75) 13.4% |
| Revolutions per mile (km) | 649.68 (403.69) | 620.18 (385.36) | -29.5 (-18.33) -4.5% |
265/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.95 mph (33.72 km/h) |
| 25 mph (40.23 km/h) | 26.19 mph (42.15 km/h) |
| 30 mph (48.28 km/h) | 31.43 mph (50.58 km/h) |
| 35 mph (56.33 km/h) | 36.66 mph (59.01 km/h) |
| 40 mph (64.37 km/h) | 41.9 mph (67.44 km/h) |
| 45 mph (72.42 km/h) | 47.14 mph (75.86 km/h) |
| 50 mph (80.47 km/h) | 52.38 mph (84.29 km/h) |
| 55 mph (88.51 km/h) | 57.62 mph (92.72 km/h) |
| 60 mph (96.56 km/h) | 62.85 mph (101.15 km/h) |
| 65 mph (104.61 km/h) | 68.09 mph (109.58 km/h) |
| 70 mph (112.65 km/h) | 73.33 mph (118.01 km/h) |
| 75 mph (120.7 km/h) | 78.57 mph (126.44 km/h) |
| 80 mph (128.75 km/h) | 83.8 mph (134.87 km/h) |
| 85 mph (136.79 km/h) | 89.04 mph (143.3 km/h) |
| 90 mph (144.84 km/h) | 94.28 mph (151.73 km/h) |
| 95 mph (152.89 km/h) | 99.52 mph (160.16 km/h) |
| 100 mph (160.93 km/h) | 104.76 mph (168.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1578 | 1833 | 1974 | 2062 | 2156 | 2223 | 2297 | 2384 | 2505 | 2626 | 2760 | 2868 | 3062 | 3277 | 3445 | 3553 | 3613 | 3835 | 4144 | 4815 |
Better Fuel Economy Factory Ratios Increased Power
