Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 226/60-16 | 255/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.68 (677.6) | 26.04 (661.3) | -0.64 (-16.3) -2.4% |
| Width inches (mm) | 8.9 (226) | 10.04 (255) | 1.14 (29) 12.8% |
| Circum. inches (mm) | 83.81 (2128.74) | 81.79 (2077.54) | -2.02 (-51.21) -2.4% |
| Sidewall Height inches (mm) | 5.34 (135.6) | 4.52 (114.75) | -0.82 (-20.85) -15.4% |
| Revolutions per mile (km) | 756.01 (469.76) | 774.64 (481.34) | 18.63 (11.58) 2.5% |
255/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.52 mph (31.41 km/h) |
| 25 mph (40.23 km/h) | 24.4 mph (39.27 km/h) |
| 30 mph (48.28 km/h) | 29.28 mph (47.12 km/h) |
| 35 mph (56.33 km/h) | 34.16 mph (54.97 km/h) |
| 40 mph (64.37 km/h) | 39.04 mph (62.83 km/h) |
| 45 mph (72.42 km/h) | 43.92 mph (70.68 km/h) |
| 50 mph (80.47 km/h) | 48.8 mph (78.53 km/h) |
| 55 mph (88.51 km/h) | 53.68 mph (86.38 km/h) |
| 60 mph (96.56 km/h) | 58.56 mph (94.24 km/h) |
| 65 mph (104.61 km/h) | 63.44 mph (102.09 km/h) |
| 70 mph (112.65 km/h) | 68.32 mph (109.94 km/h) |
| 75 mph (120.7 km/h) | 73.2 mph (117.8 km/h) |
| 80 mph (128.75 km/h) | 78.08 mph (125.65 km/h) |
| 85 mph (136.79 km/h) | 82.96 mph (133.5 km/h) |
| 90 mph (144.84 km/h) | 87.84 mph (141.36 km/h) |
| 95 mph (152.89 km/h) | 92.71 mph (149.21 km/h) |
| 100 mph (160.93 km/h) | 97.59 mph (157.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | 2290 | 2466 | 2575 | 2693 | 2777 | 2869 | 2978 | 3129 | 3280 | 3448 | 3582 | 3825 | 4094 | 4303 | 4438 | 4513 | 4790 | 5176 | 6015 |
Better Fuel Economy Factory Ratios Increased Power
