Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-17 | 265/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.88 (809.8) | 32.65 (829.3) | 0.77 (19.5) 2.4% |
| Width inches (mm) | 10.63 (270) | 10.43 (265) | -0.2 (-5) -1.9% |
| Circum. inches (mm) | 100.16 (2544.06) | 102.57 (2605.32) | 2.41 (61.26) 2.4% |
| Sidewall Height inches (mm) | 7.44 (189) | 7.82 (198.75) | 0.38 (9.75) 5.2% |
| Revolutions per mile (km) | 632.59 (393.07) | 617.71 (383.83) | -14.87 (-9.24) -2.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.48 mph (32.96 km/h) |
| 25 mph (40.23 km/h) | 25.6 mph (41.2 km/h) |
| 30 mph (48.28 km/h) | 30.72 mph (49.44 km/h) |
| 35 mph (56.33 km/h) | 35.84 mph (57.68 km/h) |
| 40 mph (64.37 km/h) | 40.96 mph (65.92 km/h) |
| 45 mph (72.42 km/h) | 46.08 mph (74.16 km/h) |
| 50 mph (80.47 km/h) | 51.2 mph (82.41 km/h) |
| 55 mph (88.51 km/h) | 56.32 mph (90.65 km/h) |
| 60 mph (96.56 km/h) | 61.44 mph (98.89 km/h) |
| 65 mph (104.61 km/h) | 66.57 mph (107.13 km/h) |
| 70 mph (112.65 km/h) | 71.69 mph (115.37 km/h) |
| 75 mph (120.7 km/h) | 76.81 mph (123.61 km/h) |
| 80 mph (128.75 km/h) | 81.93 mph (131.85 km/h) |
| 85 mph (136.79 km/h) | 87.05 mph (140.09 km/h) |
| 90 mph (144.84 km/h) | 92.17 mph (148.33 km/h) |
| 95 mph (152.89 km/h) | 97.29 mph (156.57 km/h) |
| 100 mph (160.93 km/h) | 102.41 mph (164.81 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1572 | 1826 | 1967 | 2054 | 2147 | 2214 | 2288 | 2375 | 2495 | 2615 | 2749 | 2856 | 3050 | 3264 | 3432 | 3539 | 3599 | 3820 | 4127 | 4796 |
Better Fuel Economy Factory Ratios Increased Power
