Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/35-15 | 135/20-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.58 (573.5) | 22.13 (562) | -0.45 (-11.5) -2% |
| Width inches (mm) | 10.83 (275) | 5.31 (135) | -5.51 (-140) -50.9% |
| Circum. inches (mm) | 70.93 (1801.7) | 69.51 (1765.58) | -1.42 (-36.13) -2% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 1.06 (27) | -2.73 (-69.25) -71.9% |
| Revolutions per mile (km) | 893.23 (555.03) | 911.51 (566.39) | 18.28 (11.36) 2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.6 mph (31.54 km/h) |
| 25 mph (40.23 km/h) | 24.5 mph (39.43 km/h) |
| 30 mph (48.28 km/h) | 29.4 mph (47.31 km/h) |
| 35 mph (56.33 km/h) | 34.3 mph (55.2 km/h) |
| 40 mph (64.37 km/h) | 39.2 mph (63.08 km/h) |
| 45 mph (72.42 km/h) | 44.1 mph (70.97 km/h) |
| 50 mph (80.47 km/h) | 49 mph (78.85 km/h) |
| 55 mph (88.51 km/h) | 53.9 mph (86.74 km/h) |
| 60 mph (96.56 km/h) | 58.8 mph (94.62 km/h) |
| 65 mph (104.61 km/h) | 63.7 mph (102.51 km/h) |
| 70 mph (112.65 km/h) | 68.6 mph (110.4 km/h) |
| 75 mph (120.7 km/h) | 73.5 mph (118.28 km/h) |
| 80 mph (128.75 km/h) | 78.4 mph (126.17 km/h) |
| 85 mph (136.79 km/h) | 83.3 mph (134.05 km/h) |
| 90 mph (144.84 km/h) | 88.2 mph (141.94 km/h) |
| 95 mph (152.89 km/h) | 93.1 mph (149.82 km/h) |
| 100 mph (160.93 km/h) | 97.99 mph (157.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2320 | 2695 | 2902 | 3030 | 3169 | 3267 | 3376 | 3504 | 3682 | 3859 | 4057 | 4215 | 4501 | 4817 | 5064 | 5222 | 5310 | 5636 | 6090 | 7077 |
Better Fuel Economy Factory Ratios Increased Power
