Tyre size prices
225/45 R18 tyres: UK prices by brand tier and fitted cost
A 225/45 R18 car tyre cost a median £61.15 budget, £96.75 mid-range, £134.29 premium per tyre (summer, not run-flat, including VAT and delivery), across 253 offers from 47 brands observed at Camskill and Tyreleader on 23 September 2026. Fitted, a mid-range set of four comes to about £515 (73 Auto estimate including fitting, balancing, valves and disposal).
Data to 2026-09-23 · Page updated 2026-09-28 · Publisher: 73 Auto
- Mid-range tyre, median
- £96.75
- 45 summer offers, 23 September 2026
- Fitted set of four
- £515
- 73 Auto estimate, mid-range tyres
- Offers
- 253
- 47 brands, 2 retailers
225/45 R18 price per tyre by brand tier and season
A premium-brand 225/45 R18 tyre costs 39% more than a mid-range one (£134.29 against £96.75 median).
Budget brands save a further £35.60 per tyre at the median.
That mid-range median is 10% less than the 18-inch average across all sizes (£107.10).
Mid-range all-season tyres in this size cost 21% more than summer tyres.
A row appears only where at least three offers exist. Run-flat tyres are excluded here and measured separately below.
| Tier | Season | Median | Middle half | Offers |
|---|---|---|---|---|
| Premium | Summer | £134.29 | £125.24–£143.42 | 101 |
| Premium | All-season | £147.29 | £145.19–£150.79 | 5 |
| Mid-range | Summer | £96.75 | £90.47–£108.44 | 45 |
| Mid-range | All-season | £116.73 | £109.99–£128.54 | 8 |
| Budget | Summer | £61.15 | £51.37–£75.06 | 50 |
| Budget | All-season | £86.39 | £66.98–£99.19 | 3 |
| Budget | Winter | £77.89 | £71.94–£84.34 | 5 |
Extra load (XL) and run-flat versions
220 of the 253 offers are XL (reinforced) and 33 are run-flat.
Comparing the same retailer’s same tyre with and without XL (18 like-for-like pairs), the XL version costs a median 2% more. Run-flat versions cost a median 18% more than the same tyre without run-flat construction (14 pairs), and cost more to fit.
Fit XL or run-flat tyres where the car came with them: the load index and construction are part of the approved specification.
Fitted cost of four 225/45 R18 tyres
73 Auto estimate: four times the median summer tyre price plus a typical per-tyre charge for fitting, balancing, valve and disposal at this rim size (£32.00 per tyre). Run-flat tyres and SUVs usually cost more to fit.
| Tier | Tyre median | Fitting per tyre | Set of four fitted |
|---|---|---|---|
| Premium | £134.29 | £32.00 | £665 |
| Mid-range | £96.75 | £32.00 | £515 |
| Budget | £61.15 | £32.00 | £373 |
225/45 R18 dimensions
Calculated from the size itself; real tyres vary by a few millimetres between brands.
| Measurement | Value |
|---|---|
| Section width | 225 mm |
| Sidewall height | 101.2 mm (45% of width) |
| Rim diameter | 18 in (457.2 mm) |
| Overall diameter | 659.7 mm |
| Circumference | 2,073 mm |
| Revolutions per mile | 777 |
Cars that came with 225/45 R18 tyres
15 model generations in 73 Auto's factory fitment reference use this size as standard or as a wheel option. Check your own tyres or handbook: the same model is often sold on several wheel sizes.
- Alfa Romeo Giulia 952 — front axle
- BMW 2 Series Active Tourer U06 — all four wheels
- BMW 3 Series F30/F31 — front axle
- BMW 3 Series G20/G21 — front axle
- BMW 4 Series G22/G23/G26 — front axle
- BMW Z4 G29 — front axle
- Jaguar XE X760 — front axle
- Kia Niro DE — all four wheels
- Kia Niro SG2 — all four wheels
- Mercedes-Benz A-Class W177 — all four wheels
- Mercedes-Benz C-Class W205 — front axle
- Mercedes-Benz C-Class W206 — front axle
- Mercedes-Benz CLA C118 — all four wheels
- Nissan Juke F15 — all four wheels (wheel option)
- Volkswagen T-Roc A1 — all four wheels
Sizes with a similar overall diameter
The published sizes nearest to 225/45 R18 in overall diameter, with their mid-range price. A different size is only safe and legal if the vehicle maker approves it for your car.
| Size | Overall diameter | Difference | Mid-range median |
|---|---|---|---|
| 175/65 R17 | 659.3 mm | -0.1% | — |
| 255/35 R19 | 661.1 mm | +0.2% | £113.19 |
| 255/40 R18 | 661.2 mm | +0.2% | £126.19 |
| 205/55 R17 | 657.3 mm | -0.4% | £84.30 |
| 225/40 R19 | 662.6 mm | +0.4% | £119.79 |
| 225/50 R17 | 656.8 mm | -0.4% | £92.75 |
Limitations
Prices observed on public UK retailer listings (Camskill and Tyreleader) on 23 September 2026, aggregated by 73 Auto. Figures are aggregates of listed prices (medians and the middle half of offers); no individual offer is shown. Retail prices change daily and differ with stock and promotions.
Brand tiers: premium is Michelin, Pirelli, Continental, Bridgestone, Goodyear and Dunlop; mid-range is established second-line brands; everything else is budget. The fitted set of four is a 73 Auto estimate, not a garage quote.
Does your car run on 225/45 R18 tyres? See its full running cost
Enter a UK registration to see that car’s factory tyre sizes, what replacing them costs at your mileage, and its MOT history. Your first check is free and shows the vehicle summary and its headline ownership cost. The category-by-category breakdown is part of a paid check.
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Where these figures come from
- Tyre prices observed on public UK retailer listings (Camskill, Tyreleader) on 2026-09-23, aggregated by 73 Auto — Camskill, Tyreleader (observed); 73 Auto (aggregation). Published retail prices, reused only as aggregates (medians, quartiles, counts); retailers' terms and robots rules reviewed 2026-09-23.
- 73 Auto factory tyre fitment reference (fitment source registry cited per row) — 73 Auto, from manufacturer documents and tyre-maker OE catalogues. 73 Auto editorial data.
- Fitting, balancing, valve and disposal charges by rim band — GRIP500 published fitting price schedule; 73 Auto allowance. Published price schedule, cited.
Figures labelled as 73 Auto estimates are our own analysis of these sources, set out in the methodology and data sources. To report a factual error, see corrections.