Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-18 | 235/60-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.69 (754.2) | 30.1 (764.6) | 0.41 (10.4) 1.4% |
| Width inches (mm) | 6.5 (165) | 9.25 (235) | 2.76 (70) 42.4% |
| Circum. inches (mm) | 93.28 (2369.39) | 94.57 (2402.06) | 1.29 (32.67) 1.4% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 5.55 (141) | -0.3 (-7.5) -5.1% |
| Revolutions per mile (km) | 679.22 (422.05) | 669.98 (416.31) | -9.24 (-5.74) -1.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.28 mph (32.63 km/h) |
| 25 mph (40.23 km/h) | 25.34 mph (40.79 km/h) |
| 30 mph (48.28 km/h) | 30.41 mph (48.95 km/h) |
| 35 mph (56.33 km/h) | 35.48 mph (57.1 km/h) |
| 40 mph (64.37 km/h) | 40.55 mph (65.26 km/h) |
| 45 mph (72.42 km/h) | 45.62 mph (73.42 km/h) |
| 50 mph (80.47 km/h) | 50.69 mph (81.58 km/h) |
| 55 mph (88.51 km/h) | 55.76 mph (89.73 km/h) |
| 60 mph (96.56 km/h) | 60.83 mph (97.89 km/h) |
| 65 mph (104.61 km/h) | 65.9 mph (106.05 km/h) |
| 70 mph (112.65 km/h) | 70.97 mph (114.21 km/h) |
| 75 mph (120.7 km/h) | 76.03 mph (122.37 km/h) |
| 80 mph (128.75 km/h) | 81.1 mph (130.52 km/h) |
| 85 mph (136.79 km/h) | 86.17 mph (138.68 km/h) |
| 90 mph (144.84 km/h) | 91.24 mph (146.84 km/h) |
| 95 mph (152.89 km/h) | 96.31 mph (155 km/h) |
| 100 mph (160.93 km/h) | 101.38 mph (163.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1705 | 1981 | 2133 | 2227 | 2329 | 2401 | 2481 | 2576 | 2706 | 2837 | 2982 | 3098 | 3308 | 3541 | 3722 | 3838 | 3903 | 4143 | 4476 | 5202 |
Better Fuel Economy Factory Ratios Increased Power
