Caterham Seven 420 2026 Review, Specs, Price and Mileage (Brochure)
Pricing
The starting price of the Caterham Seven 420 2026 is from £41,990.
| Trim Level | Starting Price |
|---|---|
| Seven 420 (Base) | £41,990 |
| Seven 420S | £44,985 |
| Seven 420R | £45,985 |
| Seven 420 Cup | £56,490 |
What’s New for the Caterham Seven 420 2026
For 2026, the Caterham Seven 420 receives subtle yet meaningful updates that keep its classic appeal fresh. The biggest changes focus on styling and cabin improvements, including new paint options, colour-coded headlight surrounds, and a painted roll bar that enhance its retro-modern look. Inside, upgraded leather seat upholstery adds a more premium feel, while revised equipment packs bring added convenience such as a black leather tonneau cover. Mechanically, the 420 continues with its proven 2.0-litre Ford-derived engine producing around 210 bhp, paired with a manual gearbox for pure driving engagement. Caterham has retained the lightweight philosophy, ensuring the car remains one of the most engaging driver-focused sports cars, with updates aimed at refinement rather than radical change.
Previous 4 Years Sales Chart of Caterham Seven 420 2026

Colour Availability of the Caterham Seven 420 2026
For 2026, the Caterham Seven 420 offers a total of 16 core paint finishes divided into three pricing tiers.
STANDARD COLOURS
- VINTAGE GREEN

- FIRECRACKER YELLOW

- BLACKSMITH

- POPPY RED

PREMIUM COLOURS
- GULF BLUE

- RIVIERA BLUE

- BALLISTIC ORANGE

- HYPER GREEN

- POLAR WHITE

- EARL GREY

EXCLUSIVE COLOURS
- VIPER BLUE

- CHAINMAIL SILVER

- SUNSET RIOT

- VIOLA PASIFAE

- HERITAGE SAGE

- ICE FOREST GREEN

Specifications
Exterior Dimensions


| Specification | Details |
|---|---|
| Length | 3180 mm |
| Width | 1470 mm |
| Height | 1090 mm |
| Wheelbase (S3) | 2225 mm |
| Wheelbase (SV) | 2305 mm |
| Chassis Type | Space frame |
| Chassis Options | Standard (S3), Large (SV) |
Interior Dimensions
| Specification | Details |
|---|---|
| Seating Capacity | 2 |
| Cabin Type | Open-top minimalist |
| Space Variation | Larger cabin in SV chassis |
| Floor Options | Lowered floors (optional) |
Exterior and Interior Features






| Category | Features |
|---|---|
| Exterior Features | Full windscreen, hood & side screens, painted headlamp bowls, painted roll bar, clear lens pack, 620 nosecone, LED daytime running lights (optional), carbon indicator pods, vinyl/carbon covers, spare wheel carrier |
| Interior Features | Black leather seats, carbon-fibre dashboard (optional), heater, fully carpeted interior, unique key & instruments, shift light (optional), composite race seats, 4-point harnesses |
| Safety Features | No airbags, roll bar, space-frame chassis, 3-point seatbelts, optional 4-point race harnesses, battery cut-off switch, fire extinguisher (optional) |
Infotainment
| Feature | Details |
|---|---|
| Infotainment System | Not available |
| Display | None |
| Connectivity | None |
| Audio System | Not available |
Steering Brake
| Specification | Details |
|---|---|
| Steering Type | Rack and pinion |
| Steering Ratio | 1.93 turns lock-to-lock |
| Front Brakes | Solid discs with twin piston calipers |
| Upgraded Brakes | Ventilated discs with quad-piston calipers (optional) |
Tires and Wheels
| Specification | Details |
|---|---|
| Standard Wheels | 14″ Classic alloy wheels |
| Optional Wheels | 13″ Apollo, 15″ Orcus alloys |
| Performance Tires | Toyo Proxes R888R |
| Standard Tires | Toyo Proxes Comfort / NANOENERGY 3 |
Engine
| Specification | Details |
|---|---|
| Engine Type | Ford Duratec |
| Displacement | 1999 cc (2.0L) |
| Configuration | 4-cylinder, naturally aspirated |
| Max Power | 210 bhp @ 7600 rpm |
| Max Torque | 203 Nm @ 6300 rpm |
| Lubrication | Dry sump system |
Drivetrain
| Specification | Details |
|---|---|
| Transmission | 5-speed manual |
| Optional Transmission | SADEV 6-speed sequential (Cup model) |
| Differential | Open (standard), Limited Slip Differential (optional) |
| Drive Type | Rear-wheel drive |
Fuel and MPG
| Specification | Details |
|---|---|
| Fuel Tank Capacity | 32 liters |
| Fuel Economy | 35–42 mpg (UK) |
| Estimated Range | 250–300 miles |
Battery and Range
| Specification | Details |
|---|---|
| Battery Type | Standard automotive battery |
| Electric Range | Not applicable |
| Hybrid System | Not available |
Frequently Asked Questions
What engine powers the Caterham Seven 420 2026?
The Caterham Seven 420 2026 is powered by a 2.0L Ford Duratec naturally aspirated engine producing around 210 hp and 203 Nm of torque, delivering a thrilling high-revving driving experience.
What is the top speed of the Caterham Seven 420 2026?
The Caterham Seven 420 2026 can reach a top speed of approximately 136 mph (219 km/h), making it extremely fast for such a lightweight roadster.
How fast is the Caterham Seven 420 2026 from 0–100 km/h?
The Caterham Seven 420 2026 accelerates from 0–100 km/h in about 4 seconds, thanks to its ultra-lightweight construction of around 560 kg.
What mileage does the Caterham Seven 420 2026 offer?
The Caterham Seven 420 2026 delivers an average fuel economy of around 11.1 L/100 km (approximately 9 km/l), which is reasonable considering its performance-focused nature.



















