Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/60-18 | 165/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.32 (643.2) | 25.8 (655.2) | 0.47 (12) 1.9% |
| Width inches (mm) | 6.1 (155) | 6.5 (165) | 0.39 (10) 6.5% |
| Circum. inches (mm) | 79.55 (2020.67) | 81.04 (2058.37) | 1.48 (37.7) 1.9% |
| Sidewall Height inches (mm) | 3.66 (93) | 3.9 (99) | 0.24 (6) 6.5% |
| Revolutions per mile (km) | 796.44 (494.88) | 781.85 (485.82) | -14.59 (-9.06) -1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.37 mph (32.79 km/h) |
| 25 mph (40.23 km/h) | 25.47 mph (40.98 km/h) |
| 30 mph (48.28 km/h) | 30.56 mph (49.18 km/h) |
| 35 mph (56.33 km/h) | 35.65 mph (57.38 km/h) |
| 40 mph (64.37 km/h) | 40.75 mph (65.57 km/h) |
| 45 mph (72.42 km/h) | 45.84 mph (73.77 km/h) |
| 50 mph (80.47 km/h) | 50.93 mph (81.97 km/h) |
| 55 mph (88.51 km/h) | 56.03 mph (90.17 km/h) |
| 60 mph (96.56 km/h) | 61.12 mph (98.36 km/h) |
| 65 mph (104.61 km/h) | 66.21 mph (106.56 km/h) |
| 70 mph (112.65 km/h) | 71.31 mph (114.76 km/h) |
| 75 mph (120.7 km/h) | 76.4 mph (122.95 km/h) |
| 80 mph (128.75 km/h) | 81.49 mph (131.15 km/h) |
| 85 mph (136.79 km/h) | 86.59 mph (139.35 km/h) |
| 90 mph (144.84 km/h) | 91.68 mph (147.54 km/h) |
| 95 mph (152.89 km/h) | 96.77 mph (155.74 km/h) |
| 100 mph (160.93 km/h) | 101.87 mph (163.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990 | 2311 | 2489 | 2599 | 2718 | 2802 | 2896 | 3006 | 3158 | 3310 | 3480 | 3615 | 3861 | 4132 | 4343 | 4479 | 4555 | 4834 | 5224 | 6071 |
Better Fuel Economy Factory Ratios Increased Power
