Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/40-10 | 265/65-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.03 (458) | 23.56 (598.5) | 5.53 (140.5) 30.7% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 56.65 (1438.85) | 74.03 (1880.24) | 17.38 (441.39) 30.7% |
| Sidewall Height inches (mm) | 4.02 (102) | 6.78 (172.25) | 2.77 (70.25) 68.9% |
| Revolutions per mile (km) | 1118.49 (695) | 855.92 (531.85) | -262.57 (-163.15) -23.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.14 mph (42.06 km/h) |
| 25 mph (40.23 km/h) | 32.67 mph (52.58 km/h) |
| 30 mph (48.28 km/h) | 39.2 mph (63.09 km/h) |
| 35 mph (56.33 km/h) | 45.74 mph (73.61 km/h) |
| 40 mph (64.37 km/h) | 52.27 mph (84.12 km/h) |
| 45 mph (72.42 km/h) | 58.8 mph (94.64 km/h) |
| 50 mph (80.47 km/h) | 65.34 mph (105.15 km/h) |
| 55 mph (88.51 km/h) | 71.87 mph (115.67 km/h) |
| 60 mph (96.56 km/h) | 78.41 mph (126.18 km/h) |
| 65 mph (104.61 km/h) | 84.94 mph (136.7 km/h) |
| 70 mph (112.65 km/h) | 91.47 mph (147.21 km/h) |
| 75 mph (120.7 km/h) | 98.01 mph (157.73 km/h) |
| 80 mph (128.75 km/h) | 104.54 mph (168.24 km/h) |
| 85 mph (136.79 km/h) | 111.08 mph (178.76 km/h) |
| 90 mph (144.84 km/h) | 117.61 mph (189.27 km/h) |
| 95 mph (152.89 km/h) | 124.14 mph (199.79 km/h) |
| 100 mph (160.93 km/h) | 130.68 mph (210.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2178 | 2530 | 2725 | 2846 | 2975 | 3068 | 3170 | 3290 | 3457 | 3624 | 3809 | 3958 | 4227 | 4523 | 4755 | 4903 | 4987 | 5292 | 5719 | 6646 |
Better Fuel Economy Factory Ratios Increased Power
