Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/66-17 | 300/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.77 (781.6) | 32.54 (826.4) | 1.76 (44.8) 5.7% |
| Width inches (mm) | 10.43 (265) | 11.81 (300) | 1.38 (35) 13.2% |
| Circum. inches (mm) | 96.67 (2455.47) | 102.21 (2596.21) | 5.54 (140.74) 5.7% |
| Sidewall Height inches (mm) | 6.89 (174.9) | 8.27 (210) | 1.38 (35.1) 20.1% |
| Revolutions per mile (km) | 655.41 (407.25) | 619.88 (385.18) | -35.53 (-22.08) -5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.15 mph (34.03 km/h) |
| 25 mph (40.23 km/h) | 26.43 mph (42.54 km/h) |
| 30 mph (48.28 km/h) | 31.72 mph (51.05 km/h) |
| 35 mph (56.33 km/h) | 37.01 mph (59.56 km/h) |
| 40 mph (64.37 km/h) | 42.29 mph (68.06 km/h) |
| 45 mph (72.42 km/h) | 47.58 mph (76.57 km/h) |
| 50 mph (80.47 km/h) | 52.87 mph (85.08 km/h) |
| 55 mph (88.51 km/h) | 58.15 mph (93.59 km/h) |
| 60 mph (96.56 km/h) | 63.44 mph (102.1 km/h) |
| 65 mph (104.61 km/h) | 68.73 mph (110.6 km/h) |
| 70 mph (112.65 km/h) | 74.01 mph (119.11 km/h) |
| 75 mph (120.7 km/h) | 79.3 mph (127.62 km/h) |
| 80 mph (128.75 km/h) | 84.59 mph (136.13 km/h) |
| 85 mph (136.79 km/h) | 89.87 mph (144.64 km/h) |
| 90 mph (144.84 km/h) | 95.16 mph (153.14 km/h) |
| 95 mph (152.89 km/h) | 100.45 mph (161.65 km/h) |
| 100 mph (160.93 km/h) | 105.73 mph (170.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1577 | 1833 | 1974 | 2061 | 2155 | 2222 | 2296 | 2383 | 2504 | 2625 | 2759 | 2866 | 3061 | 3276 | 3444 | 3551 | 3611 | 3833 | 4142 | 4813 |
Better Fuel Economy Factory Ratios Increased Power
