Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-17 | 235/20-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.44 (620.8) | 20.7 (525.8) | -3.74 (-95) -15.3% |
| Width inches (mm) | 5.31 (135) | 9.25 (235) | 3.94 (100) 74.1% |
| Circum. inches (mm) | 76.78 (1950.3) | 65.03 (1651.85) | -11.75 (-298.45) -15.3% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 1.85 (47) | -1.87 (-47.5) -50.3% |
| Revolutions per mile (km) | 825.18 (512.74) | 974.27 (605.38) | 149.09 (92.64) 18.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.94 mph (27.26 km/h) |
| 25 mph (40.23 km/h) | 21.17 mph (34.08 km/h) |
| 30 mph (48.28 km/h) | 25.41 mph (40.89 km/h) |
| 35 mph (56.33 km/h) | 29.64 mph (47.71 km/h) |
| 40 mph (64.37 km/h) | 33.88 mph (54.52 km/h) |
| 45 mph (72.42 km/h) | 38.11 mph (61.34 km/h) |
| 50 mph (80.47 km/h) | 42.35 mph (68.15 km/h) |
| 55 mph (88.51 km/h) | 46.58 mph (74.97 km/h) |
| 60 mph (96.56 km/h) | 50.82 mph (81.78 km/h) |
| 65 mph (104.61 km/h) | 55.05 mph (88.6 km/h) |
| 70 mph (112.65 km/h) | 59.29 mph (95.41 km/h) |
| 75 mph (120.7 km/h) | 63.52 mph (102.23 km/h) |
| 80 mph (128.75 km/h) | 67.76 mph (109.05 km/h) |
| 85 mph (136.79 km/h) | 71.99 mph (115.86 km/h) |
| 90 mph (144.84 km/h) | 76.23 mph (122.68 km/h) |
| 95 mph (152.89 km/h) | 80.46 mph (129.49 km/h) |
| 100 mph (160.93 km/h) | 84.7 mph (136.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
