Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-17 | 270/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.88 (809.8) | 30.82 (782.8) | -1.06 (-27) -3.3% |
| Width inches (mm) | 10.63 (270) | 10.63 (270) | 0 (0) 0% |
| Circum. inches (mm) | 100.16 (2544.06) | 96.82 (2459.24) | -3.34 (-84.82) -3.3% |
| Sidewall Height inches (mm) | 7.44 (189) | 6.91 (175.5) | -0.53 (-13.5) -7.1% |
| Revolutions per mile (km) | 632.59 (393.07) | 654.41 (406.63) | 21.82 (13.56) 3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.33 mph (31.11 km/h) |
| 25 mph (40.23 km/h) | 24.17 mph (38.89 km/h) |
| 30 mph (48.28 km/h) | 29 mph (46.67 km/h) |
| 35 mph (56.33 km/h) | 33.83 mph (54.45 km/h) |
| 40 mph (64.37 km/h) | 38.67 mph (62.23 km/h) |
| 45 mph (72.42 km/h) | 43.5 mph (70.01 km/h) |
| 50 mph (80.47 km/h) | 48.33 mph (77.78 km/h) |
| 55 mph (88.51 km/h) | 53.17 mph (85.56 km/h) |
| 60 mph (96.56 km/h) | 58 mph (93.34 km/h) |
| 65 mph (104.61 km/h) | 62.83 mph (101.12 km/h) |
| 70 mph (112.65 km/h) | 67.67 mph (108.9 km/h) |
| 75 mph (120.7 km/h) | 72.5 mph (116.68 km/h) |
| 80 mph (128.75 km/h) | 77.33 mph (124.46 km/h) |
| 85 mph (136.79 km/h) | 82.17 mph (132.23 km/h) |
| 90 mph (144.84 km/h) | 87 mph (140.01 km/h) |
| 95 mph (152.89 km/h) | 91.83 mph (147.79 km/h) |
| 100 mph (160.93 km/h) | 96.67 mph (155.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1665 | 1935 | 2083 | 2176 | 2275 | 2346 | 2424 | 2516 | 2643 | 2771 | 2913 | 3026 | 3231 | 3458 | 3635 | 3749 | 3813 | 4046 | 4372 | 5081 |
Better Fuel Economy Factory Ratios Increased Power
