Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 275/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 27.83 (706.8) | -1.68 (-42.66) -5.7% |
| Width inches (mm) | 10.51 (267) | 10.83 (275) | 0.31 (8) 3% |
| Circum. inches (mm) | 92.7 (2354.5) | 87.42 (2220.48) | -5.28 (-134.02) -5.7% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 5.41 (137.5) | -1.84 (-46.73) -25.4% |
| Revolutions per mile (km) | 683.52 (424.72) | 724.77 (450.35) | 41.25 (25.63) 6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.86 mph (30.35 km/h) |
| 25 mph (40.23 km/h) | 23.58 mph (37.94 km/h) |
| 30 mph (48.28 km/h) | 28.29 mph (45.53 km/h) |
| 35 mph (56.33 km/h) | 33.01 mph (53.12 km/h) |
| 40 mph (64.37 km/h) | 37.72 mph (60.71 km/h) |
| 45 mph (72.42 km/h) | 42.44 mph (68.3 km/h) |
| 50 mph (80.47 km/h) | 47.15 mph (75.89 km/h) |
| 55 mph (88.51 km/h) | 51.87 mph (83.48 km/h) |
| 60 mph (96.56 km/h) | 56.58 mph (91.06 km/h) |
| 65 mph (104.61 km/h) | 61.3 mph (98.65 km/h) |
| 70 mph (112.65 km/h) | 66.02 mph (106.24 km/h) |
| 75 mph (120.7 km/h) | 70.73 mph (113.83 km/h) |
| 80 mph (128.75 km/h) | 75.45 mph (121.42 km/h) |
| 85 mph (136.79 km/h) | 80.16 mph (129.01 km/h) |
| 90 mph (144.84 km/h) | 84.88 mph (136.6 km/h) |
| 95 mph (152.89 km/h) | 89.59 mph (144.19 km/h) |
| 100 mph (160.93 km/h) | 94.31 mph (151.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1844 | 2143 | 2307 | 2410 | 2519 | 2598 | 2684 | 2786 | 2928 | 3069 | 3226 | 3351 | 3579 | 3830 | 4026 | 4152 | 4223 | 4482 | 4843 | 5627 |
Better Fuel Economy Factory Ratios Increased Power
