225/40R19 tire size
A 225/40R19 tire is 225 mm wide with a 90.0 mm sidewall, 40% of the width, on a 19-inch rim, which puts the whole tire at 662.6 mm, or about 26.1 inches, tall. No model in our data leaves the factory on it, but it can replace the original size on 10 models within 3% of the height.
Overall height
662.6 mm
26.1 in
Sidewall
90.0 mm
40%
Circumference
2,082 mm
Revs per km
480
Actual dimensions of 225/40R19
| Section width | 225 mm (8.9 in) |
| Sidewall height | 90.0 mm (3.54 in) |
| Rim diameter | 19 in (482.6 mm) |
| Overall diameter | 662.6 mm (26.1 in) |
| Circumference | 2,082 mm |
| Revolutions per km | 480 |
| Inch notation (height x width) | 26.1x8.9R19 |
Worked out: sidewall 225 x 0.4 = 90 mm, rim 19 x 25.4 = 482.6 mm, overall 482.6 + (90 x 2) = 662.6 mm, circumference 3.1416 x 662.6 = 2,082 mm. One turn of the tire moves the car about 2.08 m, which is 480 turns per kilometer. New to sidewall codes? See how to read a tire size.
These are nominal figures from the standard formula. Real tires vary slightly by brand and squat a little under the weight of the car.
Cars fitted with 225/40R19 from the factory
No model sold in Thailand in our data leaves the factory on 225/40R19.
Cars that can switch to 225/40R19
These cars leave the factory on another size within 3% of the height of 225/40R19. Whether it fits still depends on rim width and wheel-well clearance.
| Model | Factory size | Height difference | Wheel |
|---|---|---|---|
| Tesla Model 32024–present | 235/40R19 | −1.19% | Same wheel |
| Mitsubishi Xpander Cross HEV2024–present | 205/55R17 | +0.81% | Needs 19-inch wheels |
| Nissan Kicks e-POWERCurrent model | 205/55R17 | +0.81% | Needs 19-inch wheels |
| Mazda CX-32015–present | 215/50R18 | −1.43% | Needs 19-inch wheels |
| ORA Good Cat2021–present | 215/50R18 | −1.43% | Needs 19-inch wheels |
| Mazda32019–present | 215/45R18 | +1.83% | Needs 19-inch wheels |
| Honda Civic (FC)2016–2021 | 215/50R17 | +2.44% | Needs 19-inch wheels |
| Honda Civic (FE)2021–present | 215/50R17 | +2.44% | Needs 19-inch wheels |
| MG4 Electric2022–present | 215/50R17 | +2.44% | Needs 19-inch wheels |
| MG5Current model | 215/50R17 | +2.44% | Needs 19-inch wheels |
Sizes that can replace 225/40R19
Sizes within ±3% of the overall height of 225/40R19. “At 100 km/h” is the real speed when the speedometer reads 100.
| Size | Height | Difference | At 100 km/h | Sidewall | Match | Compare |
|---|---|---|---|---|---|---|
| 255/35R19 | 661.1 mm | −1.5 mm (−0.23%) | 99.8 km/h | 89.3 mm | Very close | Compare |
| 225/45R18 | 659.7 mm | −2.9 mm (−0.44%) | 99.6 km/h | 101.3 mm | Very close | Compare |
| 235/45R18 | 668.7 mm | +6.1 mm (+0.92%) | 100.9 km/h | 105.8 mm | Close | Compare |
| 235/40R19 | 670.6 mm | +8.0 mm (+1.21%) | 101.2 km/h | 94.0 mm | Close | Compare |
| 245/35R19 | 654.1 mm | −8.5 mm (−1.28%) | 98.7 km/h | 85.8 mm | Close | Compare |
| 245/40R18 | 653.2 mm | −9.4 mm (−1.42%) | 98.6 km/h | 98.0 mm | Close | Compare |
| 215/50R18 | 672.2 mm | +9.6 mm (+1.45%) | 101.4 km/h | 107.5 mm | Close | Compare |
| 235/35R20 | 672.5 mm | +9.9 mm (+1.49%) | 101.5 km/h | 82.3 mm | Close | Compare |
- Keeping your wheels, the closest is 255/35R19 at 661.1 mm, −1.5 mm (−0.23%) from the original. With the speedometer on 100 km/h, the car would actually be doing about 99.8 km/h. Ground clearance drops by about 0.8 mm.
- Moving up to 20-inch wheels, the closest height match is 235/35R20 (+1.49%), with the sidewall dropping from 90.0 mm to 82.3 mm.
- Going down to 18-inch wheels, 225/45R18 (−0.44%) is the closest match and raises the sidewall to 101.3 mm.
- A larger or wider tire also changes acceleration, fuel use and steering weight, so look beyond the percentage.
Buying 225/40R19 tires
Low-profile sizes are mostly performance tires and price rises with W or Y speed ratings; comfort-focused models exist in the same size if you do not drive hard.
Check the production date in the DOT code before paying.
Check current prices
Search by brand
Links open marketplace search results; prices change constantly and not every brand makes this size.
Load index and speed rating for 225/40R19
The code after the size on the sidewall, as in 225/40R19 89V, is the load index and speed symbol. The common ratings for this size:
| Version | Index | Per tire | Four tires |
|---|---|---|---|
| Standard load (SL) | 89 | 580 kg | 2,320 kg |
| Extra load (XL) | 93 | 650 kg | 2,600 kg |
The new tire's load index and speed symbol must be no lower than the door placard, and it only carries its rated load at the correct pressure.
Common speed symbols in this size
V
240 km/h
W
270 km/h
Y
300 km/h
225/40R19 questions
How tall is a 225/40R19 tire?
About 26.1 inches, or 662.6 mm, from top to bottom before it carries weight. Each sidewall is 90.0 mm tall and the tire is 225 mm (8.9 in) wide.
Which cars use 225/40R19 tires?
No car in our data is fitted with 225/40R19 from the factory, but its height is close to the original size on Tesla Model 3, Mitsubishi Xpander Cross HEV, Nissan Kicks e-POWER, Mazda CX-3 and ORA Good Cat, so it works as a replacement size.
Can I fit 255/35R19 instead of 225/40R19?
Size-wise, yes: the height differs by −0.23% (−1.5 mm), so an indicated 100 km/h is really about 99.8 km/h. The tread is 30 mm wider. Check rim width and load index first.
How much weight can a 225/40R19 tire carry?
Most standard-load versions carry load index 89: 580 kg per tire, 2,320 kg across four. XL versions are rated 93, or 650 kg per tire. Look for the number after the size on the sidewall, as in 225/40R19 89V.
Other 19-inch sizes
To compare other sizes yourself, use the tire size calculator; changing rim size, try plus/minus sizing; and see speedometer error by speed.