Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-16 | 270/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.88 (784.4) | 25.5 (647.8) | -5.38 (-136.6) -17.4% |
| Width inches (mm) | 10.63 (270) | 10.63 (270) | 0 (0) 0% |
| Circum. inches (mm) | 97.02 (2464.27) | 80.12 (2035.12) | -16.9 (-429.14) -17.4% |
| Sidewall Height inches (mm) | 7.44 (189) | 4.25 (108) | -3.19 (-81) -42.9% |
| Revolutions per mile (km) | 653.07 (405.8) | 790.78 (491.37) | 137.71 (85.57) 21.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.52 mph (26.58 km/h) |
| 25 mph (40.23 km/h) | 20.65 mph (33.23 km/h) |
| 30 mph (48.28 km/h) | 24.78 mph (39.87 km/h) |
| 35 mph (56.33 km/h) | 28.9 mph (46.52 km/h) |
| 40 mph (64.37 km/h) | 33.03 mph (53.16 km/h) |
| 45 mph (72.42 km/h) | 37.16 mph (59.81 km/h) |
| 50 mph (80.47 km/h) | 41.29 mph (66.45 km/h) |
| 55 mph (88.51 km/h) | 45.42 mph (73.1 km/h) |
| 60 mph (96.56 km/h) | 49.55 mph (79.75 km/h) |
| 65 mph (104.61 km/h) | 53.68 mph (86.39 km/h) |
| 70 mph (112.65 km/h) | 57.81 mph (93.04 km/h) |
| 75 mph (120.7 km/h) | 61.94 mph (99.68 km/h) |
| 80 mph (128.75 km/h) | 66.07 mph (106.33 km/h) |
| 85 mph (136.79 km/h) | 70.2 mph (112.97 km/h) |
| 90 mph (144.84 km/h) | 74.33 mph (119.62 km/h) |
| 95 mph (152.89 km/h) | 78.46 mph (126.26 km/h) |
| 100 mph (160.93 km/h) | 82.59 mph (132.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | 2338 | 2518 | 2629 | 2749 | 2834 | 2929 | 3040 | 3194 | 3348 | 3520 | 3657 | 3905 | 4179 | 4393 | 4530 | 4607 | 4890 | 5284 | 6140 |
Better Fuel Economy Factory Ratios Increased Power
