Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/70-15 | 180/67-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.02 (661) | 25.5 (647.6) | -0.53 (-13.4) -2% |
| Width inches (mm) | 7.87 (200) | 7.09 (180) | -0.79 (-20) -10% |
| Circum. inches (mm) | 81.76 (2076.59) | 80.1 (2034.5) | -1.66 (-42.1) -2% |
| Sidewall Height inches (mm) | 5.51 (140) | 4.75 (120.6) | -0.76 (-19.4) -13.9% |
| Revolutions per mile (km) | 774.99 (481.56) | 791.03 (491.52) | 16.04 (9.96) 2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.59 mph (31.53 km/h) |
| 25 mph (40.23 km/h) | 24.49 mph (39.42 km/h) |
| 30 mph (48.28 km/h) | 29.39 mph (47.3 km/h) |
| 35 mph (56.33 km/h) | 34.29 mph (55.19 km/h) |
| 40 mph (64.37 km/h) | 39.19 mph (63.07 km/h) |
| 45 mph (72.42 km/h) | 44.09 mph (70.95 km/h) |
| 50 mph (80.47 km/h) | 48.99 mph (78.84 km/h) |
| 55 mph (88.51 km/h) | 53.89 mph (86.72 km/h) |
| 60 mph (96.56 km/h) | 58.78 mph (94.6 km/h) |
| 65 mph (104.61 km/h) | 63.68 mph (102.49 km/h) |
| 70 mph (112.65 km/h) | 68.58 mph (110.37 km/h) |
| 75 mph (120.7 km/h) | 73.48 mph (118.25 km/h) |
| 80 mph (128.75 km/h) | 78.38 mph (126.14 km/h) |
| 85 mph (136.79 km/h) | 83.28 mph (134.02 km/h) |
| 90 mph (144.84 km/h) | 88.18 mph (141.9 km/h) |
| 95 mph (152.89 km/h) | 93.07 mph (149.79 km/h) |
| 100 mph (160.93 km/h) | 97.97 mph (157.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 2339 | 2518 | 2630 | 2750 | 2835 | 2930 | 3041 | 3195 | 3349 | 3521 | 3658 | 3906 | 4180 | 4394 | 4531 | 4609 | 4891 | 5285 | 6142 |
Better Fuel Economy Factory Ratios Increased Power
