2023 Volvo XC40 — B5 AWD Core
The 2023 Volvo XC40 B5 AWD Core came from the factory equipped with 235/55R18 tires. If your vehicle has since been fitted with aftermarket or upsized wheels, your actual tire size may no longer match this factory spec — always confirm against your door placard before buying.
235/55R18
| Section width | 235 mm |
|---|---|
| Aspect ratio (sidewall height) | 55% (129.3 mm) |
| Rim diameter | 18" |
| Overall tire diameter | ~28.2" |
| Revolutions per mile | ~716 |
Compare prices at:
What this size means for your Volvo XC40
On the 2023 Volvo XC40 B5 AWD Core, the factory 235/55R18 measures about 28.2″ in overall diameter with a 129.3 mm (5.1″) sidewall, and completes roughly 716 revolutions per mile. Its 55-series aspect ratio gives a balanced everyday-passenger profile — enough sidewall to soak up road shock while keeping steering response crisp. In tire terms it is a passenger (P-metric / Euro-metric) size.
Other 2023 Volvo XC40 trims
- B4 Core 235/55R18
- B4 Plus 235/55R18 / 235/50R19 / 245/45R20
- B4 Ultimate 235/50R19 / 245/45R20
- B5 AWD Plus 235/55R18 / 235/50R19 / 245/45R20
- B5 AWD Ultimate 235/50R19 / 245/45R20
- Recharge 235/50R19 (Front) / 255/45R19 (Rear) / 235/45R20 (Front) / 255/40R20 (Rear)
Volvo XC40 tire sizes by year
- 2026 Volvo XC40 235/55R18 / 235/50R19
- 2025 Volvo XC40 235/55R18 / 235/50R19 / 245/40R21
- 2024 Volvo XC40 235/55R18 / 235/50R19
- 2022 Volvo XC40 235/50R19 (Front) / 255/45R19 (Rear) / 235/45R20 (Front) / 255/40R20 (Rear)
- 2021 Volvo XC40 235/50R19 (Front) / 255/45R19 (Rear) / 235/45R20 (Front) / 255/40R20 (Rear)
- 2020 Volvo XC40 235/55R18 / 235/50R19 / 245/40R21
- 2019 Volvo XC40 235/55R18 / 235/50R19 / 245/45R20 / 245/40R21
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.