Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/35-15 | 245/40-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.58 (573.5) | 22.72 (577) | 0.14 (3.5) 0.6% |
| Width inches (mm) | 10.83 (275) | 9.65 (245) | -1.18 (-30) -10.9% |
| Circum. inches (mm) | 70.93 (1801.7) | 71.37 (1812.7) | 0.43 (11) 0.6% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 3.86 (98) | 0.07 (1.75) 1.8% |
| Revolutions per mile (km) | 893.23 (555.03) | 887.82 (551.66) | -5.42 (-3.37) -0.6% |
245/40-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.12 mph (32.38 km/h) |
| 25 mph (40.23 km/h) | 25.15 mph (40.48 km/h) |
| 30 mph (48.28 km/h) | 30.18 mph (48.58 km/h) |
| 35 mph (56.33 km/h) | 35.21 mph (56.67 km/h) |
| 40 mph (64.37 km/h) | 40.24 mph (64.77 km/h) |
| 45 mph (72.42 km/h) | 45.27 mph (72.86 km/h) |
| 50 mph (80.47 km/h) | 50.31 mph (80.96 km/h) |
| 55 mph (88.51 km/h) | 55.34 mph (89.05 km/h) |
| 60 mph (96.56 km/h) | 60.37 mph (97.15 km/h) |
| 65 mph (104.61 km/h) | 65.4 mph (105.25 km/h) |
| 70 mph (112.65 km/h) | 70.43 mph (113.34 km/h) |
| 75 mph (120.7 km/h) | 75.46 mph (121.44 km/h) |
| 80 mph (128.75 km/h) | 80.49 mph (129.53 km/h) |
| 85 mph (136.79 km/h) | 85.52 mph (137.63 km/h) |
| 90 mph (144.84 km/h) | 90.55 mph (145.73 km/h) |
| 95 mph (152.89 km/h) | 95.58 mph (153.82 km/h) |
| 100 mph (160.93 km/h) | 100.61 mph (161.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2259 | 2625 | 2827 | 2952 | 3086 | 3182 | 3288 | 3413 | 3586 | 3759 | 3951 | 4105 | 4384 | 4692 | 4932 | 5086 | 5172 | 5490 | 5932 | 6893 |
Better Fuel Economy Factory Ratios Increased Power
