Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/65-18 | 200/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.21 (691.2) | 25.45 (646.4) | -1.76 (-44.8) -6.5% |
| Width inches (mm) | 7.09 (180) | 7.87 (200) | 0.79 (20) 11.1% |
| Circum. inches (mm) | 85.49 (2171.47) | 79.95 (2030.73) | -5.54 (-140.74) -6.5% |
| Sidewall Height inches (mm) | 4.61 (117) | 4.72 (120) | 0.12 (3) 2.6% |
| Revolutions per mile (km) | 741.13 (460.52) | 792.5 (492.43) | 51.37 (31.92) 6.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.7 mph (30.1 km/h) |
| 25 mph (40.23 km/h) | 23.38 mph (37.63 km/h) |
| 30 mph (48.28 km/h) | 28.06 mph (45.15 km/h) |
| 35 mph (56.33 km/h) | 32.73 mph (52.68 km/h) |
| 40 mph (64.37 km/h) | 37.41 mph (60.2 km/h) |
| 45 mph (72.42 km/h) | 42.08 mph (67.73 km/h) |
| 50 mph (80.47 km/h) | 46.76 mph (75.25 km/h) |
| 55 mph (88.51 km/h) | 51.44 mph (82.78 km/h) |
| 60 mph (96.56 km/h) | 56.11 mph (90.3 km/h) |
| 65 mph (104.61 km/h) | 60.79 mph (97.83 km/h) |
| 70 mph (112.65 km/h) | 65.46 mph (105.35 km/h) |
| 75 mph (120.7 km/h) | 70.14 mph (112.88 km/h) |
| 80 mph (128.75 km/h) | 74.81 mph (120.4 km/h) |
| 85 mph (136.79 km/h) | 79.49 mph (127.93 km/h) |
| 90 mph (144.84 km/h) | 84.17 mph (135.45 km/h) |
| 95 mph (152.89 km/h) | 88.84 mph (142.98 km/h) |
| 100 mph (160.93 km/h) | 93.52 mph (150.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | 2343 | 2523 | 2635 | 2755 | 2841 | 2935 | 3047 | 3201 | 3356 | 3527 | 3664 | 3913 | 4188 | 4403 | 4540 | 4617 | 4900 | 5295 | 6153 |
Better Fuel Economy Factory Ratios Increased Power
