Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 175/90-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 25.4 (645.2) | 4.96 (126) 24.3% |
| Width inches (mm) | 5.31 (135) | 6.89 (175) | 1.57 (40) 29.6% |
| Circum. inches (mm) | 64.22 (1631.11) | 79.8 (2026.96) | 15.58 (395.84) 24.3% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 6.2 (157.5) | 2.48 (63) 66.7% |
| Revolutions per mile (km) | 986.65 (613.08) | 793.97 (493.35) | -192.68 (-119.73) -19.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.85 mph (40 km/h) |
| 25 mph (40.23 km/h) | 31.07 mph (50 km/h) |
| 30 mph (48.28 km/h) | 37.28 mph (60 km/h) |
| 35 mph (56.33 km/h) | 43.49 mph (70 km/h) |
| 40 mph (64.37 km/h) | 49.71 mph (80 km/h) |
| 45 mph (72.42 km/h) | 55.92 mph (90 km/h) |
| 50 mph (80.47 km/h) | 62.13 mph (100 km/h) |
| 55 mph (88.51 km/h) | 68.35 mph (109.99 km/h) |
| 60 mph (96.56 km/h) | 74.56 mph (119.99 km/h) |
| 65 mph (104.61 km/h) | 80.77 mph (129.99 km/h) |
| 70 mph (112.65 km/h) | 86.99 mph (139.99 km/h) |
| 75 mph (120.7 km/h) | 93.2 mph (149.99 km/h) |
| 80 mph (128.75 km/h) | 99.41 mph (159.99 km/h) |
| 85 mph (136.79 km/h) | 105.63 mph (169.99 km/h) |
| 90 mph (144.84 km/h) | 111.84 mph (179.99 km/h) |
| 95 mph (152.89 km/h) | 118.05 mph (189.99 km/h) |
| 100 mph (160.93 km/h) | 124.27 mph (199.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 2347 | 2528 | 2640 | 2760 | 2846 | 2940 | 3052 | 3207 | 3362 | 3534 | 3671 | 3921 | 4196 | 4411 | 4548 | 4626 | 4909 | 5305 | 6165 |
Better Fuel Economy Factory Ratios Increased Power
