Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/35-15 | 135/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.58 (573.5) | 26.38 (670) | 3.8 (96.5) 16.8% |
| Width inches (mm) | 10.83 (275) | 5.31 (135) | -5.51 (-140) -50.9% |
| Circum. inches (mm) | 70.93 (1801.7) | 82.87 (2104.87) | 11.94 (303.16) 16.8% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 3.19 (81) | -0.6 (-15.25) -15.8% |
| Revolutions per mile (km) | 893.23 (555.03) | 764.58 (475.09) | -128.65 (-79.94) -14.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.37 mph (37.6 km/h) |
| 25 mph (40.23 km/h) | 29.21 mph (47 km/h) |
| 30 mph (48.28 km/h) | 35.05 mph (56.4 km/h) |
| 35 mph (56.33 km/h) | 40.89 mph (65.81 km/h) |
| 40 mph (64.37 km/h) | 46.73 mph (75.21 km/h) |
| 45 mph (72.42 km/h) | 52.57 mph (84.61 km/h) |
| 50 mph (80.47 km/h) | 58.41 mph (94.01 km/h) |
| 55 mph (88.51 km/h) | 64.25 mph (103.41 km/h) |
| 60 mph (96.56 km/h) | 70.1 mph (112.81 km/h) |
| 65 mph (104.61 km/h) | 75.94 mph (122.21 km/h) |
| 70 mph (112.65 km/h) | 81.78 mph (131.61 km/h) |
| 75 mph (120.7 km/h) | 87.62 mph (141.01 km/h) |
| 80 mph (128.75 km/h) | 93.46 mph (150.41 km/h) |
| 85 mph (136.79 km/h) | 99.3 mph (159.81 km/h) |
| 90 mph (144.84 km/h) | 105.14 mph (169.21 km/h) |
| 95 mph (152.89 km/h) | 110.99 mph (178.61 km/h) |
| 100 mph (160.93 km/h) | 116.83 mph (188.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1946 | 2260 | 2434 | 2542 | 2658 | 2741 | 2832 | 2939 | 3088 | 3237 | 3403 | 3535 | 3776 | 4040 | 4247 | 4380 | 4454 | 4728 | 5109 | 5937 |
Better Fuel Economy Factory Ratios Increased Power
