Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 255/35-23 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 30.03 (762.7) | -2.58 (-65.5) -7.9% |
| Width inches (mm) | 12.01 (305) | 10.04 (255) | -1.97 (-50) -16.4% |
| Circum. inches (mm) | 102.44 (2601.87) | 94.33 (2396.09) | -8.1 (-205.77) -7.9% |
| Sidewall Height inches (mm) | 4.8 (122) | 3.51 (89.25) | -1.29 (-32.75) -26.8% |
| Revolutions per mile (km) | 618.53 (384.34) | 671.65 (417.35) | 53.12 (33.01) 8.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.42 mph (29.64 km/h) |
| 25 mph (40.23 km/h) | 23.02 mph (37.05 km/h) |
| 30 mph (48.28 km/h) | 27.63 mph (44.46 km/h) |
| 35 mph (56.33 km/h) | 32.23 mph (51.87 km/h) |
| 40 mph (64.37 km/h) | 36.84 mph (59.28 km/h) |
| 45 mph (72.42 km/h) | 41.44 mph (66.69 km/h) |
| 50 mph (80.47 km/h) | 46.05 mph (74.1 km/h) |
| 55 mph (88.51 km/h) | 50.65 mph (81.51 km/h) |
| 60 mph (96.56 km/h) | 55.25 mph (88.92 km/h) |
| 65 mph (104.61 km/h) | 59.86 mph (96.33 km/h) |
| 70 mph (112.65 km/h) | 64.46 mph (103.74 km/h) |
| 75 mph (120.7 km/h) | 69.07 mph (111.16 km/h) |
| 80 mph (128.75 km/h) | 73.67 mph (118.57 km/h) |
| 85 mph (136.79 km/h) | 78.28 mph (125.98 km/h) |
| 90 mph (144.84 km/h) | 82.88 mph (133.39 km/h) |
| 95 mph (152.89 km/h) | 87.49 mph (140.8 km/h) |
| 100 mph (160.93 km/h) | 92.09 mph (148.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1709 | 1986 | 2138 | 2233 | 2335 | 2407 | 2487 | 2582 | 2713 | 2844 | 2989 | 3106 | 3317 | 3549 | 3731 | 3848 | 3913 | 4153 | 4488 | 5215 |
Better Fuel Economy Factory Ratios Increased Power
