Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/40-22 | 305/40-23 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.66 (778.8) | 32.61 (828.2) | 1.94 (49.4) 6.3% |
| Width inches (mm) | 10.83 (275) | 12.01 (305) | 1.18 (30) 10.9% |
| Circum. inches (mm) | 96.33 (2446.67) | 102.44 (2601.87) | 6.11 (155.19) 6.3% |
| Sidewall Height inches (mm) | 4.33 (110) | 4.8 (122) | 0.47 (12) 10.9% |
| Revolutions per mile (km) | 657.77 (408.72) | 618.53 (384.34) | -39.23 (-24.38) -6% |
305/40-23 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.27 mph (34.23 km/h) |
| 25 mph (40.23 km/h) | 26.59 mph (42.79 km/h) |
| 30 mph (48.28 km/h) | 31.9 mph (51.34 km/h) |
| 35 mph (56.33 km/h) | 37.22 mph (59.9 km/h) |
| 40 mph (64.37 km/h) | 42.54 mph (68.46 km/h) |
| 45 mph (72.42 km/h) | 47.85 mph (77.01 km/h) |
| 50 mph (80.47 km/h) | 53.17 mph (85.57 km/h) |
| 55 mph (88.51 km/h) | 58.49 mph (94.13 km/h) |
| 60 mph (96.56 km/h) | 63.81 mph (102.69 km/h) |
| 65 mph (104.61 km/h) | 69.12 mph (111.24 km/h) |
| 70 mph (112.65 km/h) | 74.44 mph (119.8 km/h) |
| 75 mph (120.7 km/h) | 79.76 mph (128.36 km/h) |
| 80 mph (128.75 km/h) | 85.07 mph (136.91 km/h) |
| 85 mph (136.79 km/h) | 90.39 mph (145.47 km/h) |
| 90 mph (144.84 km/h) | 95.71 mph (154.03 km/h) |
| 95 mph (152.89 km/h) | 101.03 mph (162.59 km/h) |
| 100 mph (160.93 km/h) | 106.34 mph (171.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1574 | 1829 | 1969 | 2056 | 2150 | 2217 | 2291 | 2378 | 2498 | 2619 | 2753 | 2860 | 3054 | 3269 | 3436 | 3543 | 3604 | 3825 | 4133 | 4803 |
Better Fuel Economy Factory Ratios Increased Power
