Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/40-17 | 275/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.66 (651.8) | 27.83 (706.8) | 2.17 (55) 8.4% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 80.62 (2047.69) | 87.42 (2220.48) | 6.8 (172.79) 8.4% |
| Sidewall Height inches (mm) | 4.33 (110) | 5.41 (137.5) | 1.08 (27.5) 25% |
| Revolutions per mile (km) | 785.93 (488.35) | 724.77 (450.35) | -61.16 (-38) -7.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.69 mph (34.9 km/h) |
| 25 mph (40.23 km/h) | 27.11 mph (43.63 km/h) |
| 30 mph (48.28 km/h) | 32.53 mph (52.35 km/h) |
| 35 mph (56.33 km/h) | 37.95 mph (61.08 km/h) |
| 40 mph (64.37 km/h) | 43.38 mph (69.81 km/h) |
| 45 mph (72.42 km/h) | 48.8 mph (78.53 km/h) |
| 50 mph (80.47 km/h) | 54.22 mph (87.26 km/h) |
| 55 mph (88.51 km/h) | 59.64 mph (95.98 km/h) |
| 60 mph (96.56 km/h) | 65.06 mph (104.71 km/h) |
| 65 mph (104.61 km/h) | 70.48 mph (113.43 km/h) |
| 70 mph (112.65 km/h) | 75.91 mph (122.16 km/h) |
| 75 mph (120.7 km/h) | 81.33 mph (130.89 km/h) |
| 80 mph (128.75 km/h) | 86.75 mph (139.61 km/h) |
| 85 mph (136.79 km/h) | 92.17 mph (148.34 km/h) |
| 90 mph (144.84 km/h) | 97.59 mph (157.06 km/h) |
| 95 mph (152.89 km/h) | 103.02 mph (165.79 km/h) |
| 100 mph (160.93 km/h) | 108.44 mph (174.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1844 | 2143 | 2307 | 2410 | 2519 | 2598 | 2684 | 2786 | 2928 | 3069 | 3226 | 3351 | 3579 | 3830 | 4026 | 4152 | 4223 | 4482 | 4843 | 5627 |
Better Fuel Economy Factory Ratios Increased Power
