Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 35/10-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 35 (889) | 2.39 (60.8) 7.3% |
| Width inches (mm) | 12.01 (305) | 10 (254) | -2.01 (-51) -16.7% |
| Circum. inches (mm) | 102.44 (2601.87) | 109.96 (2792.88) | 7.52 (191.01) 7.3% |
| Sidewall Height inches (mm) | 4.8 (122) | 7.5 (190.5) | 2.7 (68.5) 56.1% |
| Revolutions per mile (km) | 618.53 (384.34) | 576.23 (358.05) | -42.3 (-26.29) -6.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.47 mph (34.55 km/h) |
| 25 mph (40.23 km/h) | 26.84 mph (43.19 km/h) |
| 30 mph (48.28 km/h) | 32.2 mph (51.82 km/h) |
| 35 mph (56.33 km/h) | 37.57 mph (60.46 km/h) |
| 40 mph (64.37 km/h) | 42.94 mph (69.1 km/h) |
| 45 mph (72.42 km/h) | 48.3 mph (77.74 km/h) |
| 50 mph (80.47 km/h) | 53.67 mph (86.37 km/h) |
| 55 mph (88.51 km/h) | 59.04 mph (95.01 km/h) |
| 60 mph (96.56 km/h) | 64.4 mph (103.65 km/h) |
| 65 mph (104.61 km/h) | 69.77 mph (112.29 km/h) |
| 70 mph (112.65 km/h) | 75.14 mph (120.92 km/h) |
| 75 mph (120.7 km/h) | 80.51 mph (129.56 km/h) |
| 80 mph (128.75 km/h) | 85.87 mph (138.2 km/h) |
| 85 mph (136.79 km/h) | 91.24 mph (146.84 km/h) |
| 90 mph (144.84 km/h) | 96.61 mph (155.47 km/h) |
| 95 mph (152.89 km/h) | 101.97 mph (164.11 km/h) |
| 100 mph (160.93 km/h) | 107.34 mph (172.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1466 | 1704 | 1835 | 1916 | 2003 | 2065 | 2134 | 2215 | 2328 | 2440 | 2565 | 2664 | 2845 | 3045 | 3201 | 3301 | 3357 | 3563 | 3850 | 4474 |
Better Fuel Economy Factory Ratios Increased Power
