# D-segment

The **D-segment** is the European [car classification](https://www.edgepedia.org/car-classification) for upper-medium, or large family, cars: passenger vehicles one size above the compact [C-segment](https://www.edgepedia.org/c-segment) and one below the executive E-segment. In the European Union's alphabetic scheme the sequence runs A through F, and D sits in the middle-upper part of it.<sup>[1](https://eur-lex.europa.eu/resource.html?format=PDF&uri=cellar%3Add1c4add-16e7-477d-bc7c-4a45abb23621.0001.02%2FDOC_3)</sup><sup> • </sup><sup>[2](https://www.acea.auto/figure/new-passenger-cars-by-segment-in-eu/)</sup>

| Key fact | Detail |
|---|---|
| Position in the scheme | Fourth of the lettered segments A to F; D is "upper medium" in ACEA's grouping, between Lower medium (C) and Luxury (E+F)<sup>[2](https://www.acea.auto/figure/new-passenger-cars-by-segment-in-eu/)</sup> |
| Alternative label | "Large family cars" in one alphabetic classification used in European Commission work<sup>[1](https://eur-lex.europa.eu/resource.html?format=PDF&uri=cellar%3Add1c4add-16e7-477d-bc7c-4a45abb23621.0001.02%2FDOC_3)</sup> |
| Typical dimensions | Approximately 4.45 to 4.75 m length, as stated for the Volkswagen Passat in segment D<sup>[3](https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ%3AL%3A2001%3A262%3A0014%3A0037%3AEN%3APDF)</sup> |
| Example models | Volkswagen Passat, Audi A4, Opel Vectra, BMW 3-series, Ford Mondeo, Mercedes C-Class<sup>[3](https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ%3AL%3A2001%3A262%3A0014%3A0037%3AEN%3APDF)</sup> |
| Competition-law use | The European Commission's car price reports group comparable models into segments A to G, and a 2002 market-definition study treats the D class ("intermediate") as a candidate product market<sup>[4](https://competition-policy.ec.europa.eu/system/files/2021-10/2002_study_market_definition_passenger_car_sector_by_Frank_Verboven.pdf)</sup> |
| Market context | SUVs, tracked separately from the lettered segments, accounted for 51% of total EU car sales in the ACEA data published in 2024<sup>[2](https://www.acea.auto/figure/new-passenger-cars-by-segment-in-eu/)</sup> |

## Definition and boundaries

The D-segment is a market classification rather than a legal vehicle category. The EU's type-approval system classifies vehicles by categories such as M1 passenger cars, not by lettered market segments, so the D label comes from industry and Commission practice instead of regulation.<sup>[5](https://single-market-economy.ec.europa.eu/sectors/automotive-industry/vehicle-categories_en?prefLang=el)</sup>

The clearest official statement of the segment's boundaries appears in a 2001 Official Journal document recording Volkswagen's own classification: the Passat belongs to segment D, "upper-medium cars", with a car length of approximately 4.45 to 4.75 m and a price range from about DEM 32,000 for the basic model to approximately DEM 60,000 for the top-of-the-range model. Volkswagen named the [Audi A4](https://www.edgepedia.org/audi-a4), Opel Vectra, BMW 3-series, [Ford Mondeo](https://www.edgepedia.org/ford-mondeo), and Mercedes C-Class as alternative models in the same segment.<sup>[3](https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ%3AL%3A2001%3A262%3A0014%3A0037%3AEN%3APDF)</sup> A Commission technical annex gives the same content in plainer labels: Microcars = A, Supermini cars = B, Small family cars = C, Large family cars = D, Executive cars = E, Luxury cars = F.<sup>[1](https://eur-lex.europa.eu/resource.html?format=PDF&uri=cellar%3Add1c4add-16e7-477d-bc7c-4a45abb23621.0001.02%2FDOC_3)</sup>

Segment membership is verified against objective characteristics such as price, horsepower, and width, together with each brand's model range. A 2002 study for the European Commission's competition directorate, by the economist Frank Verboven, used a six-segment scheme in which the D class appears as "intermediate", and tested with SSNIP analysis whether a 5% or 10% joint price increase across a segment's models would be profitable, which is the standard test for a relevant product market in competition law.<sup>[4](https://competition-policy.ec.europa.eu/system/files/2021-10/2002_study_market_definition_passenger_car_sector_by_Frank_Verboven.pdf)</sup>

## Use in market statistics

The [European Automobile Manufacturers' Association](https://www.edgepedia.org/european-automobile-manufacturers-association) (ACEA), which represents the 17 major Europe-based car, van, truck, and bus makers, publishes EU registration data by segment. Its grouping combines Small (A+B), Lower medium (C), Upper medium (D), Luxury (E+F), MPV, and SUV, with annual shares and unit sales for 2012 through 2023.<sup>[2](https://www.acea.auto/figure/new-passenger-cars-by-segment-in-eu/)</sup> In the same dataset, SUVs, which cut across the lettered size bands, reached half of total EU car sales, a shift that has compressed the traditional sedan-based segments.<sup>[2](https://www.acea.auto/figure/new-passenger-cars-by-segment-in-eu/)</sup>

Commercial data providers use parallel schemes. A review study for the European Commission's Motor Vehicle Block Exemption Regulation used LMC Automotive's regional vehicle size segments, which run A, B, C, D, E, F, plus an unclassified category.<sup>[6](https://competition-policy.ec.europa.eu/system/files/2021-10/2020_mvber_review_public_consultation_study_final_report.pdf)</sup>

## The D-segment outside Europe

The letter labels are European, but the size class exists in every major market under other names.

**India.** The D-segment sedan is what Indian buyers call the mid-size sedan. A 2026 market overview describes the segment there as a three-car contest between the Volkswagen Virtus, Skoda Slavia, and [Honda City](https://www.edgepedia.org/honda-city), noting that most mass-market sedan buyers have moved to compact SUVs, leaving a smaller but more clearly differentiated field.<sup>[7](https://vahanbazaar.in/tips/best-d-segment-sedan-2026-india-vahanbazaar)</sup>

**United States.** The equivalent class is the midsize sedan, historically the core of the American family car market. MotorTrend's 2025 comparison of the [Toyota Camry](https://www.edgepedia.org/toyota-camry), Kia K5, Hyundai Sonata, and [Honda Accord](https://www.edgepedia.org/honda-accord) describes these four as excellent midsize sedans now relegated to a much smaller corner of the market as SUV sales have grown, with all four starting under $40,000.<sup>[8](https://www.motortrend.com/reviews/2025-toyota-camry-vs-kia-k5-vs-hyundai-sonata-vs-honda-accord-comparison-test-review)</sup> [Car and Driver](https://www.edgepedia.org/car-and-driver)'s 2023 comparison of the Accord, Camry, Sonata, and Subaru Legacy put the group's average as-tested price at $32,550, far below the average transaction price of all new cars, then approaching $50,000.<sup>[9](https://www.caranddriver.com/reviews/comparison-test/a44664658/2023-honda-accord-hyundai-sonata-subaru-legacy-toyota-camry-compared/)</sup>

## Electrification and the D-SUV variant

Electrification has added body-style variants to the segment. A 2025 report on plug-in hybrids from the campaign group [Transport](https://www.edgepedia.org/transport) & [Environment](https://www.edgepedia.org/environment) discusses the D-SUV segment and cites an extended-range electric vehicle (EREV) with a 145 km electric range and a starting price of €37,400 as the first to test that format with mass-market European drivers; it also notes that BMW has considered an EREV version of the iX5 SUV for Europe.<sup>[10](https://www.transportenvironment.org/uploads/files/2025-PHEV-report.pdf)</sup> The broader European market context is rapid electrification: battery-electric cars reached 17.4% of the EU market in 2025, up from 13.6% a year earlier.<sup>[11](https://www.acea.auto/pc-registrations/new-car-registrations-1-8-in-2025-battery-electric-17-4-market-share/)</sup>

## References

1. [Technical Annex 3, European Commission (segment list A to F)](https://eur-lex.europa.eu/resource.html?format=PDF&uri=cellar%3Add1c4add-16e7-477d-bc7c-4a45abb23621.0001.02%2FDOC_3)
2. [New cars in the EU by segment, ACEA (5 September 2024)](https://www.acea.auto/figure/new-passenger-cars-by-segment-in-eu/)
3. [Official Journal L 262/16, 2 October 2001 (segment D definition and Passat classification)](https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ%3AL%3A2001%3A262%3A0014%3A0037%3AEN%3APDF)
4. [Frank Verboven (2002). A market definition study of the passenger car sector, European Commission competition policy](https://competition-policy.ec.europa.eu/system/files/2021-10/2002_study_market_definition_passenger_car_sector_by_Frank_Verboven.pdf)
5. [Vehicle categories, European Commission, Internal Market, Industry, Entrepreneurship and SMEs](https://single-market-economy.ec.europa.eu/sectors/automotive-industry/vehicle-categories_en?prefLang=el)
6. [Annex III, 2020 Motor Vehicle Block Exemption Regulation review, public consultation study](https://competition-policy.ec.europa.eu/system/files/2021-10/2020_mvber_review_public_consultation_study_final_report.pdf)
7. [Best D-Segment Sedan India 2026 — Virtus vs Slavia vs City, VahanBazaar](https://vahanbazaar.in/tips/best-d-segment-sedan-2026-india-vahanbazaar)
8. [2025 Toyota Camry vs. Kia K5 vs. Hyundai Sonata vs. Honda Accord: Family Sedan Comparison Test, MotorTrend](https://www.motortrend.com/reviews/2025-toyota-camry-vs-kia-k5-vs-hyundai-sonata-vs-honda-accord-comparison-test-review)
9. [Honda Accord vs. Camry, Sonata, Legacy: Mid-Size Sedans Compared, Car and Driver](https://www.caranddriver.com/reviews/comparison-test/a44664658/2023-honda-accord-hyundai-sonata-subaru-legacy-toyota-camry-compared/)
10. [2025 PHEV report, Transport & Environment](https://www.transportenvironment.org/uploads/files/2025-PHEV-report.pdf)
11. [New car registrations: +1.8% in 2025; battery-electric 17.4% market share, ACEA](https://www.acea.auto/pc-registrations/new-car-registrations-1-8-in-2025-battery-electric-17-4-market-share/)

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*Topic: Encyclopedia › Technology and the built world › Transport and spaceflight › Road transport › Automobiles › Car body styles and types*

*Initially written Sep 17, 2026 · Reviewed: Sep 17, 2026; Sep 30, 2026; Oct 15, 2026 · Edited: Sep 30, 2026; Oct 15, 2026 · Last review: Oct 15, 2026*

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