Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/40-10 | 175/70-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.03 (458) | 19.65 (499) | 1.61 (41) 9% |
| Width inches (mm) | 10.04 (255) | 6.89 (175) | -3.15 (-80) -31.4% |
| Circum. inches (mm) | 56.65 (1438.85) | 61.72 (1567.65) | 5.07 (128.81) 9% |
| Sidewall Height inches (mm) | 4.02 (102) | 4.82 (122.5) | 0.81 (20.5) 20.1% |
| Revolutions per mile (km) | 1118.49 (695) | 1026.59 (637.89) | -91.9 (-57.1) -8.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.79 mph (35.07 km/h) |
| 25 mph (40.23 km/h) | 27.24 mph (43.84 km/h) |
| 30 mph (48.28 km/h) | 32.69 mph (52.6 km/h) |
| 35 mph (56.33 km/h) | 38.13 mph (61.37 km/h) |
| 40 mph (64.37 km/h) | 43.58 mph (70.14 km/h) |
| 45 mph (72.42 km/h) | 49.03 mph (78.9 km/h) |
| 50 mph (80.47 km/h) | 54.48 mph (87.67 km/h) |
| 55 mph (88.51 km/h) | 59.92 mph (96.44 km/h) |
| 60 mph (96.56 km/h) | 65.37 mph (105.2 km/h) |
| 65 mph (104.61 km/h) | 70.82 mph (113.97 km/h) |
| 70 mph (112.65 km/h) | 76.27 mph (122.74 km/h) |
| 75 mph (120.7 km/h) | 81.71 mph (131.51 km/h) |
| 80 mph (128.75 km/h) | 87.16 mph (140.27 km/h) |
| 85 mph (136.79 km/h) | 92.61 mph (149.04 km/h) |
| 90 mph (144.84 km/h) | 98.06 mph (157.81 km/h) |
| 95 mph (152.89 km/h) | 103.5 mph (166.57 km/h) |
| 100 mph (160.93 km/h) | 108.95 mph (175.34 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
