Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-15 | 33/13.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.29 (718.5) | 33.1 (840.62) | 4.81 (122.12) 17% |
| Width inches (mm) | 8.86 (225) | 13.5 (343) | 4.65 (118) 52.4% |
| Circum. inches (mm) | 88.87 (2257.23) | 103.97 (2640.89) | 15.1 (383.65) 17% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 9.05 (229.81) | 2.4 (61.06) 36.2% |
| Revolutions per mile (km) | 712.97 (443.02) | 609.4 (378.66) | -103.58 (-64.36) -14.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.4 mph (37.66 km/h) |
| 25 mph (40.23 km/h) | 29.25 mph (47.07 km/h) |
| 30 mph (48.28 km/h) | 35.1 mph (56.49 km/h) |
| 35 mph (56.33 km/h) | 40.95 mph (65.9 km/h) |
| 40 mph (64.37 km/h) | 46.8 mph (75.32 km/h) |
| 45 mph (72.42 km/h) | 52.65 mph (84.73 km/h) |
| 50 mph (80.47 km/h) | 58.5 mph (94.14 km/h) |
| 55 mph (88.51 km/h) | 64.35 mph (103.56 km/h) |
| 60 mph (96.56 km/h) | 70.2 mph (112.97 km/h) |
| 65 mph (104.61 km/h) | 76.05 mph (122.39 km/h) |
| 70 mph (112.65 km/h) | 81.9 mph (131.8 km/h) |
| 75 mph (120.7 km/h) | 87.75 mph (141.22 km/h) |
| 80 mph (128.75 km/h) | 93.6 mph (150.63 km/h) |
| 85 mph (136.79 km/h) | 99.45 mph (160.04 km/h) |
| 90 mph (144.84 km/h) | 105.3 mph (169.46 km/h) |
| 95 mph (152.89 km/h) | 111.15 mph (178.87 km/h) |
| 100 mph (160.93 km/h) | 117 mph (188.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1551 | 1802 | 1940 | 2026 | 2118 | 2184 | 2257 | 2343 | 2461 | 2580 | 2712 | 2818 | 3009 | 3220 | 3385 | 3491 | 3550 | 3768 | 4072 | 4732 |
Better Fuel Economy Factory Ratios Increased Power
