# Caterham Seven 420R (race)

- Source: https://racingcarnetwork.com/wiki/caterham-seven-420r-race/
- Publisher: Racing Car Network (racingcarnetwork.com), the race car marketplace
- Type: car · Brand: Caterham
- Discipline: gt-cup
- Series: one-make-cup
- Era: 2010s
- Last updated: 2026-07-06
- For sale on RCN: https://racingcarnetwork.com/for-sale/caterham-seven-420r-race/ (0 live listings right now)

The 420R Racing is the sharp end of Caterham's one-make ladder: 210 Duratec horsepower in a 560 kg Seven, contesting the Caterham 420R Championship — British club racing's fastest pure-Sevens grid.

## Specifications

| Spec | Value |
|---|---|
| Engine | 2.0 L Ford Duratec (sealed, 210 hp) |
| Power | 210 hp |
| Weight | ~560 kg |
| Gearbox | 5-speed manual, LSD |
| Chassis | Seven spaceframe, full cage, wide-track |
| Brakes | Uprated discs, no ABS |
| Years | 2016–present |
| Class | Caterham 420R Championship one-make |

## History

Caterham's championship pyramid — Academy to Roadsport to 270R/310R to 420R — turns novices into racers inside a controlled cost structure, and the 420R sits at its summit: the 2.0 Duratec at 210 hp, five-speed gearbox, limited-slip differential, wide-track suspension and slick-shod aggression, all in the Seven's eternal sub-600 kg exoskeleton. Sealed engines and spec components keep the class about driving.

The 420R Championship's grids deliver the Seven experience at its most serious: slipstreaming packs at Silverstone and Donington, championship battles decided at season finales, and a driver pathway that has fed professionals into GT racing — while remaining amateur-owned racing where competitors bolt their own cars together.

The used 420R market benefits from the ladder's discipline: cars carry championship logbooks, sealed-spec compliance is verifiable through Caterham Motorsport, and residuals hold because each season's Academy graduates flow upward needing machinery. As a pure racing purchase — car, calendar, community in one — the 420R package remains among British motorsport's most complete propositions.

## Palmarès

Caterham 420R Championship titles since the class's introduction — the crown of the marque's ladder — with the championship's alumni feeding British GT and endurance grids; support-bill status at major UK meetings keeps the class's profile national.

## What to check before you buy

Championship compliance is the value: sealed Duratec status (Caterham Motorsport verifies), spec dampers and components per the current year's regulations, and the car's championship logbook with scrutineering history. Check chassis straightness after pack-racing seasons (Sevens repair well and honestly — ask for invoices), LSD and gearbox service, and cage/harness currency. Cars from the front of the championship sell with setup books worth real time; winter is the buying window as drivers upgrade or exit. Caterham's factory involvement makes provenance checks a phone call — use it.

## Did you know

- Caterham's ladder means a 420R grid's drivers mostly started together in Academy years earlier — the championship is a cohort system as much as a class.
- The 420R's power-to-weight matches serious GT machinery, on treaded-to-slick club budgets — the Seven formula's eternal arithmetic.
- Several 420R champions jumped directly into British GT — the class functions as the UK's least-glamorous, most effective GT feeder.

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