Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-17 | 275/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.88 (809.8) | 33.24 (844.3) | 1.36 (34.5) 4.3% |
| Width inches (mm) | 10.63 (270) | 10.83 (275) | 0.2 (5) 1.9% |
| Circum. inches (mm) | 100.16 (2544.06) | 104.43 (2652.45) | 4.27 (108.38) 4.3% |
| Sidewall Height inches (mm) | 7.44 (189) | 8.12 (206.25) | 0.68 (17.25) 9.1% |
| Revolutions per mile (km) | 632.59 (393.07) | 606.74 (377.01) | -25.85 (-16.06) -4.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.85 mph (33.56 km/h) |
| 25 mph (40.23 km/h) | 26.07 mph (41.95 km/h) |
| 30 mph (48.28 km/h) | 31.28 mph (50.34 km/h) |
| 35 mph (56.33 km/h) | 36.49 mph (58.73 km/h) |
| 40 mph (64.37 km/h) | 41.7 mph (67.12 km/h) |
| 45 mph (72.42 km/h) | 46.92 mph (75.51 km/h) |
| 50 mph (80.47 km/h) | 52.13 mph (83.9 km/h) |
| 55 mph (88.51 km/h) | 57.34 mph (92.29 km/h) |
| 60 mph (96.56 km/h) | 62.56 mph (100.67 km/h) |
| 65 mph (104.61 km/h) | 67.77 mph (109.06 km/h) |
| 70 mph (112.65 km/h) | 72.98 mph (117.45 km/h) |
| 75 mph (120.7 km/h) | 78.2 mph (125.84 km/h) |
| 80 mph (128.75 km/h) | 83.41 mph (134.23 km/h) |
| 85 mph (136.79 km/h) | 88.62 mph (142.62 km/h) |
| 90 mph (144.84 km/h) | 93.83 mph (151.01 km/h) |
| 95 mph (152.89 km/h) | 99.05 mph (159.4 km/h) |
| 100 mph (160.93 km/h) | 104.26 mph (167.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1544 | 1794 | 1932 | 2017 | 2109 | 2175 | 2247 | 2332 | 2451 | 2569 | 2700 | 2806 | 2996 | 3206 | 3371 | 3476 | 3535 | 3752 | 4054 | 4711 |
Better Fuel Economy Factory Ratios Increased Power
