Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/70-18 | 285/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.26 (870.2) | 32.59 (827.7) | -1.67 (-42.5) -4.9% |
| Width inches (mm) | 11.61 (295) | 11.22 (285) | -0.39 (-10) -3.4% |
| Circum. inches (mm) | 107.63 (2733.81) | 102.37 (2600.3) | -5.26 (-133.52) -4.9% |
| Sidewall Height inches (mm) | 8.13 (206.5) | 7.29 (185.25) | -0.84 (-21.25) -10.3% |
| Revolutions per mile (km) | 588.68 (365.79) | 618.91 (384.57) | 30.23 (18.78) 5.1% |
285/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.02 mph (30.61 km/h) |
| 25 mph (40.23 km/h) | 23.78 mph (38.27 km/h) |
| 30 mph (48.28 km/h) | 28.53 mph (45.92 km/h) |
| 35 mph (56.33 km/h) | 33.29 mph (53.58 km/h) |
| 40 mph (64.37 km/h) | 38.05 mph (61.23 km/h) |
| 45 mph (72.42 km/h) | 42.8 mph (68.88 km/h) |
| 50 mph (80.47 km/h) | 47.56 mph (76.54 km/h) |
| 55 mph (88.51 km/h) | 52.31 mph (84.19 km/h) |
| 60 mph (96.56 km/h) | 57.07 mph (91.84 km/h) |
| 65 mph (104.61 km/h) | 61.83 mph (99.5 km/h) |
| 70 mph (112.65 km/h) | 66.58 mph (107.15 km/h) |
| 75 mph (120.7 km/h) | 71.34 mph (114.81 km/h) |
| 80 mph (128.75 km/h) | 76.09 mph (122.46 km/h) |
| 85 mph (136.79 km/h) | 80.85 mph (130.11 km/h) |
| 90 mph (144.84 km/h) | 85.6 mph (137.77 km/h) |
| 95 mph (152.89 km/h) | 90.36 mph (145.42 km/h) |
| 100 mph (160.93 km/h) | 95.12 mph (153.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1575 | 1830 | 1970 | 2058 | 2151 | 2218 | 2292 | 2379 | 2500 | 2621 | 2755 | 2862 | 3056 | 3271 | 3438 | 3545 | 3606 | 3827 | 4135 | 4805 |
Better Fuel Economy Factory Ratios Increased Power
