Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 30/9.5-15 | 265/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.99 (761.78) | 29.61 (752) | -0.39 (-9.78) -1.3% |
| Width inches (mm) | 9.49 (241) | 10.43 (265) | 0.94 (24) 10% |
| Circum. inches (mm) | 94.22 (2393.2) | 93.01 (2362.48) | -1.21 (-30.72) -1.3% |
| Sidewall Height inches (mm) | 7.5 (190.39) | 7.3 (185.5) | -0.19 (-4.89) -2.6% |
| Revolutions per mile (km) | 672.46 (417.85) | 681.21 (423.28) | 8.75 (5.43) 1.3% |
265/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.74 mph (31.77 km/h) |
| 25 mph (40.23 km/h) | 24.68 mph (39.72 km/h) |
| 30 mph (48.28 km/h) | 29.61 mph (47.66 km/h) |
| 35 mph (56.33 km/h) | 34.55 mph (55.6 km/h) |
| 40 mph (64.37 km/h) | 39.49 mph (63.55 km/h) |
| 45 mph (72.42 km/h) | 44.42 mph (71.49 km/h) |
| 50 mph (80.47 km/h) | 49.36 mph (79.43 km/h) |
| 55 mph (88.51 km/h) | 54.29 mph (87.38 km/h) |
| 60 mph (96.56 km/h) | 59.23 mph (95.32 km/h) |
| 65 mph (104.61 km/h) | 64.17 mph (103.26 km/h) |
| 70 mph (112.65 km/h) | 69.1 mph (111.21 km/h) |
| 75 mph (120.7 km/h) | 74.04 mph (119.15 km/h) |
| 80 mph (128.75 km/h) | 78.97 mph (127.09 km/h) |
| 85 mph (136.79 km/h) | 83.91 mph (135.04 km/h) |
| 90 mph (144.84 km/h) | 88.84 mph (142.98 km/h) |
| 95 mph (152.89 km/h) | 93.78 mph (150.93 km/h) |
| 100 mph (160.93 km/h) | 98.72 mph (158.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1734 | 2014 | 2169 | 2265 | 2368 | 2442 | 2523 | 2619 | 2752 | 2884 | 3032 | 3150 | 3364 | 3600 | 3784 | 3902 | 3969 | 4212 | 4551 | 5289 |
Better Fuel Economy Factory Ratios Increased Power
