Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/90-15 | 225/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.53 (750) | 29.17 (741) | -0.35 (-9) -1.2% |
| Width inches (mm) | 8.07 (205) | 8.86 (225) | 0.79 (20) 9.8% |
| Circum. inches (mm) | 92.76 (2356.19) | 91.65 (2327.92) | -1.11 (-28.27) -1.2% |
| Sidewall Height inches (mm) | 7.26 (184.5) | 7.09 (180) | -0.18 (-4.5) -2.4% |
| Revolutions per mile (km) | 683.03 (424.41) | 691.32 (429.57) | 8.3 (5.15) 1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.76 mph (31.8 km/h) |
| 25 mph (40.23 km/h) | 24.7 mph (39.75 km/h) |
| 30 mph (48.28 km/h) | 29.64 mph (47.7 km/h) |
| 35 mph (56.33 km/h) | 34.58 mph (55.65 km/h) |
| 40 mph (64.37 km/h) | 39.52 mph (63.6 km/h) |
| 45 mph (72.42 km/h) | 44.46 mph (71.55 km/h) |
| 50 mph (80.47 km/h) | 49.4 mph (79.5 km/h) |
| 55 mph (88.51 km/h) | 54.34 mph (87.45 km/h) |
| 60 mph (96.56 km/h) | 59.28 mph (95.4 km/h) |
| 65 mph (104.61 km/h) | 64.22 mph (103.35 km/h) |
| 70 mph (112.65 km/h) | 69.16 mph (111.3 km/h) |
| 75 mph (120.7 km/h) | 74.1 mph (119.25 km/h) |
| 80 mph (128.75 km/h) | 79.04 mph (127.2 km/h) |
| 85 mph (136.79 km/h) | 83.98 mph (135.15 km/h) |
| 90 mph (144.84 km/h) | 88.92 mph (143.1 km/h) |
| 95 mph (152.89 km/h) | 93.86 mph (151.05 km/h) |
| 100 mph (160.93 km/h) | 98.8 mph (159 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1759 | 2044 | 2201 | 2298 | 2403 | 2478 | 2560 | 2658 | 2792 | 2927 | 3077 | 3197 | 3414 | 3653 | 3840 | 3960 | 4028 | 4275 | 4619 | 5368 |
Better Fuel Economy Factory Ratios Increased Power
