Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-21 | 275/35-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.41 (670.9) | 28.58 (725.9) | 2.17 (55) 8.2% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 82.98 (2107.69) | 89.78 (2280.48) | 6.8 (172.79) 8.2% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 3.79 (96.25) | 1.08 (27.5) 40% |
| Revolutions per mile (km) | 763.56 (474.45) | 705.7 (438.5) | -57.85 (-35.95) -7.6% |
275/35-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.64 mph (34.83 km/h) |
| 25 mph (40.23 km/h) | 27.05 mph (43.53 km/h) |
| 30 mph (48.28 km/h) | 32.46 mph (52.24 km/h) |
| 35 mph (56.33 km/h) | 37.87 mph (60.94 km/h) |
| 40 mph (64.37 km/h) | 43.28 mph (69.65 km/h) |
| 45 mph (72.42 km/h) | 48.69 mph (78.36 km/h) |
| 50 mph (80.47 km/h) | 54.1 mph (87.06 km/h) |
| 55 mph (88.51 km/h) | 59.51 mph (95.77 km/h) |
| 60 mph (96.56 km/h) | 64.92 mph (104.48 km/h) |
| 65 mph (104.61 km/h) | 70.33 mph (113.18 km/h) |
| 70 mph (112.65 km/h) | 75.74 mph (121.89 km/h) |
| 75 mph (120.7 km/h) | 81.15 mph (130.6 km/h) |
| 80 mph (128.75 km/h) | 86.56 mph (139.3 km/h) |
| 85 mph (136.79 km/h) | 91.97 mph (148.01 km/h) |
| 90 mph (144.84 km/h) | 97.38 mph (156.72 km/h) |
| 95 mph (152.89 km/h) | 102.79 mph (165.42 km/h) |
| 100 mph (160.93 km/h) | 108.2 mph (174.13 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
