Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/30-18 | 265/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.55 (598.2) | 25.26 (641.6) | 1.71 (43.4) 7.3% |
| Width inches (mm) | 9.25 (235) | 10.43 (265) | 1.18 (30) 12.8% |
| Circum. inches (mm) | 73.99 (1879.3) | 79.36 (2015.65) | 5.37 (136.35) 7.3% |
| Sidewall Height inches (mm) | 2.78 (70.5) | 3.13 (79.5) | 0.35 (9) 12.8% |
| Revolutions per mile (km) | 856.35 (532.11) | 798.43 (496.12) | -57.93 (-35.99) -6.8% |
265/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.45 mph (34.52 km/h) |
| 25 mph (40.23 km/h) | 26.81 mph (43.15 km/h) |
| 30 mph (48.28 km/h) | 32.18 mph (51.78 km/h) |
| 35 mph (56.33 km/h) | 37.54 mph (60.41 km/h) |
| 40 mph (64.37 km/h) | 42.9 mph (69.04 km/h) |
| 45 mph (72.42 km/h) | 48.26 mph (77.67 km/h) |
| 50 mph (80.47 km/h) | 53.63 mph (86.31 km/h) |
| 55 mph (88.51 km/h) | 58.99 mph (94.94 km/h) |
| 60 mph (96.56 km/h) | 64.35 mph (103.57 km/h) |
| 65 mph (104.61 km/h) | 69.72 mph (112.2 km/h) |
| 70 mph (112.65 km/h) | 75.08 mph (120.83 km/h) |
| 75 mph (120.7 km/h) | 80.44 mph (129.46 km/h) |
| 80 mph (128.75 km/h) | 85.8 mph (138.09 km/h) |
| 85 mph (136.79 km/h) | 91.17 mph (146.72 km/h) |
| 90 mph (144.84 km/h) | 96.53 mph (155.35 km/h) |
| 95 mph (152.89 km/h) | 101.89 mph (163.98 km/h) |
| 100 mph (160.93 km/h) | 107.26 mph (172.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2032 | 2360 | 2542 | 2654 | 2775 | 2862 | 2957 | 3069 | 3225 | 3381 | 3554 | 3692 | 3943 | 4219 | 4435 | 4574 | 4652 | 4937 | 5335 | 6199 |
Better Fuel Economy Factory Ratios Increased Power
