Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/80-15 | 34/10.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.32 (821) | 33.92 (861.6) | 1.6 (40.6) 4.9% |
| Width inches (mm) | 10.83 (275) | 10.51 (267) | -0.31 (-8) -2.9% |
| Circum. inches (mm) | 101.55 (2579.25) | 106.57 (2706.8) | 5.02 (127.55) 4.9% |
| Sidewall Height inches (mm) | 8.66 (220) | 9.46 (240.3) | 0.8 (20.3) 9.2% |
| Revolutions per mile (km) | 623.96 (387.71) | 594.56 (369.44) | -29.4 (-18.27) -4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.99 mph (33.78 km/h) |
| 25 mph (40.23 km/h) | 26.24 mph (42.22 km/h) |
| 30 mph (48.28 km/h) | 31.48 mph (50.67 km/h) |
| 35 mph (56.33 km/h) | 36.73 mph (59.11 km/h) |
| 40 mph (64.37 km/h) | 41.98 mph (67.56 km/h) |
| 45 mph (72.42 km/h) | 47.23 mph (76 km/h) |
| 50 mph (80.47 km/h) | 52.47 mph (84.45 km/h) |
| 55 mph (88.51 km/h) | 57.72 mph (92.89 km/h) |
| 60 mph (96.56 km/h) | 62.97 mph (101.34 km/h) |
| 65 mph (104.61 km/h) | 68.21 mph (109.78 km/h) |
| 70 mph (112.65 km/h) | 73.46 mph (118.23 km/h) |
| 75 mph (120.7 km/h) | 78.71 mph (126.67 km/h) |
| 80 mph (128.75 km/h) | 83.96 mph (135.11 km/h) |
| 85 mph (136.79 km/h) | 89.2 mph (143.56 km/h) |
| 90 mph (144.84 km/h) | 94.45 mph (152 km/h) |
| 95 mph (152.89 km/h) | 99.7 mph (160.45 km/h) |
| 100 mph (160.93 km/h) | 104.95 mph (168.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1513 | 1758 | 1893 | 1977 | 2067 | 2131 | 2202 | 2286 | 2402 | 2517 | 2646 | 2749 | 2936 | 3142 | 3303 | 3406 | 3464 | 3676 | 3973 | 4616 |
Better Fuel Economy Factory Ratios Increased Power
