Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/70-15 | 200/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.92 (633) | 26.81 (681) | 1.89 (48) 7.6% |
| Width inches (mm) | 7.09 (180) | 7.87 (200) | 0.79 (20) 11.1% |
| Circum. inches (mm) | 78.29 (1988.63) | 84.23 (2139.42) | 5.94 (150.8) 7.6% |
| Sidewall Height inches (mm) | 4.96 (126) | 5.91 (150) | 0.94 (24) 19% |
| Revolutions per mile (km) | 809.27 (502.86) | 752.23 (467.41) | -57.04 (-35.44) -7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.52 mph (34.63 km/h) |
| 25 mph (40.23 km/h) | 26.9 mph (43.28 km/h) |
| 30 mph (48.28 km/h) | 32.27 mph (51.94 km/h) |
| 35 mph (56.33 km/h) | 37.65 mph (60.6 km/h) |
| 40 mph (64.37 km/h) | 43.03 mph (69.26 km/h) |
| 45 mph (72.42 km/h) | 48.41 mph (77.91 km/h) |
| 50 mph (80.47 km/h) | 53.79 mph (86.57 km/h) |
| 55 mph (88.51 km/h) | 59.17 mph (95.23 km/h) |
| 60 mph (96.56 km/h) | 64.55 mph (103.88 km/h) |
| 65 mph (104.61 km/h) | 69.93 mph (112.54 km/h) |
| 70 mph (112.65 km/h) | 75.31 mph (121.2 km/h) |
| 75 mph (120.7 km/h) | 80.69 mph (129.85 km/h) |
| 80 mph (128.75 km/h) | 86.07 mph (138.51 km/h) |
| 85 mph (136.79 km/h) | 91.45 mph (147.17 km/h) |
| 90 mph (144.84 km/h) | 96.82 mph (155.82 km/h) |
| 95 mph (152.89 km/h) | 102.2 mph (164.48 km/h) |
| 100 mph (160.93 km/h) | 107.58 mph (173.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1914 | 2224 | 2395 | 2501 | 2615 | 2696 | 2786 | 2892 | 3038 | 3185 | 3348 | 3478 | 3715 | 3975 | 4179 | 4309 | 4382 | 4651 | 5026 | 5841 |
Better Fuel Economy Factory Ratios Increased Power
