Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/35-21 | 275/35-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.03 (711.9) | 28.58 (725.9) | 0.55 (14) 2% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 88.05 (2236.5) | 89.78 (2280.48) | 1.73 (43.98) 2% |
| Sidewall Height inches (mm) | 3.51 (89.25) | 3.79 (96.25) | 0.28 (7) 7.8% |
| Revolutions per mile (km) | 719.58 (447.13) | 705.7 (438.5) | -13.88 (-8.62) -1.9% |
275/35-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.39 mph (32.82 km/h) |
| 25 mph (40.23 km/h) | 25.49 mph (41.02 km/h) |
| 30 mph (48.28 km/h) | 30.59 mph (49.23 km/h) |
| 35 mph (56.33 km/h) | 35.69 mph (57.43 km/h) |
| 40 mph (64.37 km/h) | 40.79 mph (65.64 km/h) |
| 45 mph (72.42 km/h) | 45.88 mph (73.84 km/h) |
| 50 mph (80.47 km/h) | 50.98 mph (82.05 km/h) |
| 55 mph (88.51 km/h) | 56.08 mph (90.25 km/h) |
| 60 mph (96.56 km/h) | 61.18 mph (98.46 km/h) |
| 65 mph (104.61 km/h) | 66.28 mph (106.66 km/h) |
| 70 mph (112.65 km/h) | 71.38 mph (114.87 km/h) |
| 75 mph (120.7 km/h) | 76.47 mph (123.07 km/h) |
| 80 mph (128.75 km/h) | 81.57 mph (131.28 km/h) |
| 85 mph (136.79 km/h) | 86.67 mph (139.48 km/h) |
| 90 mph (144.84 km/h) | 91.77 mph (147.69 km/h) |
| 95 mph (152.89 km/h) | 96.87 mph (155.89 km/h) |
| 100 mph (160.93 km/h) | 101.97 mph (164.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1796 | 2086 | 2247 | 2346 | 2453 | 2530 | 2614 | 2713 | 2850 | 2988 | 3141 | 3263 | 3485 | 3729 | 3920 | 4043 | 4111 | 4364 | 4715 | 5479 |
Better Fuel Economy Factory Ratios Increased Power
