Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 100/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 20.12 (511) | -2.32 (-59) -10.4% |
| Width inches (mm) | 5.31 (135) | 3.94 (100) | -1.38 (-35) -25.9% |
| Circum. inches (mm) | 70.5 (1790.71) | 63.2 (1605.35) | -7.3 (-185.35) -10.4% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 2.56 (65) | -1.16 (-29.5) -31.2% |
| Revolutions per mile (km) | 898.72 (558.44) | 1002.49 (622.91) | 103.77 (64.48) 11.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.93 mph (28.86 km/h) |
| 25 mph (40.23 km/h) | 22.41 mph (36.07 km/h) |
| 30 mph (48.28 km/h) | 26.89 mph (43.28 km/h) |
| 35 mph (56.33 km/h) | 31.38 mph (50.5 km/h) |
| 40 mph (64.37 km/h) | 35.86 mph (57.71 km/h) |
| 45 mph (72.42 km/h) | 40.34 mph (64.92 km/h) |
| 50 mph (80.47 km/h) | 44.82 mph (72.14 km/h) |
| 55 mph (88.51 km/h) | 49.31 mph (79.35 km/h) |
| 60 mph (96.56 km/h) | 53.79 mph (86.57 km/h) |
| 65 mph (104.61 km/h) | 58.27 mph (93.78 km/h) |
| 70 mph (112.65 km/h) | 62.75 mph (100.99 km/h) |
| 75 mph (120.7 km/h) | 67.24 mph (108.21 km/h) |
| 80 mph (128.75 km/h) | 71.72 mph (115.42 km/h) |
| 85 mph (136.79 km/h) | 76.2 mph (122.64 km/h) |
| 90 mph (144.84 km/h) | 80.68 mph (129.85 km/h) |
| 95 mph (152.89 km/h) | 85.17 mph (137.06 km/h) |
| 100 mph (160.93 km/h) | 89.65 mph (144.28 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
