- Engine
- McLaren M840TR 3,994 cc / 4.0 L twin-turbocharged 90° V8, flat-plane crankshaft, dry-sump lubrication (McLaren press release, cars.mclaren.press/ww/releases/759, 13 November 2019, fetched 7 July 2026, verbatim: '804bhp, twin-turbocharged McLaren V8', '4.0-liter, twin-turbocharged McLaren V8', 'flat-plane crankshaft, dry-sump lubrication'; Bring a Trailer lot 2021-mclaren-elva-8, fetched 7 July 2026, verbatim: 'The 4.0-liter M840TR V8 is a variant of the powerplant introduced in the 720S and features a flat-plane crankshaft, dry-sump lubrication, and dual twin-scroll turbochargers')
- Power
- 804 bhp / 815 PS / 599 kW at 7,500 rpm (McLaren press release, cars.mclaren.press/ww/releases/759, 13 November 2019, fetched 7 July 2026, verbatim: '804bhp, twin-turbocharged McLaren V8'; Bring a Trailer lot 2021-mclaren-elva-8, fetched 7 July 2026, verbatim: 'Output was factory rated at 804 horsepower at 7,500 rpm'. PS-equivalent stated per standard 1 bhp = 1.01387 PS conversion; kW-equivalent per 1 bhp = 0.7457 kW.)
- Torque
- 590 lb·ft / 800 N·m at 5,500 rpm (McLaren press release, cars.mclaren.press/ww/releases/759, 13 November 2019, fetched 7 July 2026, verbatim: '590ft-lb 4.0-liter, twin-turbocharged McLaren V8'; Bring a Trailer lot 2021-mclaren-elva-8, fetched 7 July 2026, verbatim: '590 lb-ft of torque at 5,500 rpm')
- Transmission
- Seven-speed dual-clutch SSG (Seamless Shift Gearbox), rear-wheel drive with launch control and Variable Drift Control (McLaren press release, fetched 7 July 2026, verbatim: 'seven-speed seamless-shift gearbox'; Bring a Trailer lot 2021-mclaren-elva-8, fetched 7 July 2026, verbatim: 'seven-speed dual-clutch SSG gearbox', 'Variable Drift Control, Brake Steer, launch control')
- Chassis
- MonoCell II carbon-fibre monocoque with carbon-fibre body panels (Bring a Trailer lot 2021-mclaren-elva-8, fetched 7 July 2026, verbatim: 'carbon-fiber MonoCell II monocoque chassis', 'is composed of three main carbon-fiber panels along with low-profile carbon-fiber dihedral doors'; McLaren press release, verbatim: 'a carbon fibre monocoque … its inherent properties mean an open-top roadster does not require any additional strengthening')
- Body
- Two-seat rear mid-engined open-cockpit roadster, carbon-fibre bodywork, dihedral doors, deployable roll-over protection, no roof / no side windows, world-first Active Air Management System (AAMS), full-width active rear spoiler with airbrake function (McLaren press release, cars.mclaren.press/ww/releases/759, 13 November 2019, fetched 7 July 2026, verbatim: 'no roof, no windscreen and no side windows', 'McLaren Active Air Management System (AAMS) is world-first', 'the height of the twin rear buttresses is minimized by using a deployable roll-over protection system', 'full-width active rear spoiler … Airbrake functionality')
- Suspension
- Double wishbones with linked-hydraulic active suspension (ProActive Chassis Control II), electro-hydraulic steering (McLaren press release, fetched 7 July 2026, verbatim: 'state-of-the-art, linked-hydraulic active suspension; electro-hydraulic steering'; Bring a Trailer lot 2021-mclaren-elva-8, fetched 7 July 2026, verbatim: 'double-wishbone suspension incorporates active dampening and roll control via the ProActive Chassis Control II System')
- Brakes
- Sintered carbon-ceramic 390 mm / 15.35 in front and rear, forged monobloc calipers with titanium pistons (six-piston front, four-piston rear) — first introduced on the McLaren Senna and enhanced for the Elva with titanium caliper pistons saving 1 kg vehicle mass (McLaren press release, fetched 7 July 2026, verbatim: 'sintered carbon ceramic disc measures 390mm', 'first introduced on the McLaren Senna but is enhanced for the Elva with the addition of titanium caliper pistons which save a total of 1kg across the vehicle'; Bring a Trailer lot 2021-mclaren-elva-8, fetched 7 July 2026, verbatim: 'Sintered cross-drilled and ventilated carbon-ceramic brake rotors measure 390mm in diameter and are acted upon by forged monobloc calipers that utilize six pistons up front and four pistons at the rear')
- Wheels & tyres
- Diamond-cut forged alloys — 19 × 9 in front, 20 × 11 in rear — on 245/35 (front) and 305/30 (rear) Pirelli P Zero; Pirelli P Zero Corsa optional at no additional cost (Bring a Trailer lot 2021-mclaren-elva-8, fetched 7 July 2026, verbatim: 'Diamond-cut forged alloy wheels measuring 19×9 in up front and 20×11 in at the rear … 245/35 and 305/30 Pirelli P Zero tires'; McLaren press release, verbatim: 'track-focused Pirelli P Zero™ Corsa tires rather than Pirelli P Zero™ tires')
- 0–62 mph / 0–100 km/h
- Under 3.0 seconds claimed (McLaren press release, cars.mclaren.press/ww/releases/759, 13 November 2019, fetched 7 July 2026, verbatim: '0-62mph in under three seconds')
- 0–124 mph / 0–200 km/h
- 6.7 seconds — quicker than the McLaren Senna (McLaren press release, fetched 7 July 2026, verbatim: '0-124mph quicker than the McLaren Senna, at just 6.7 seconds')
- Weight
- Not publicly disclosed as a numeric figure by McLaren MSO at launch — VERIFY. McLaren's own claim is a comparative one: 'The lightest road car ever from McLaren Automotive' (press release, cars.mclaren.press/ww/releases/759, 13 November 2019, fetched 7 July 2026, verbatim) — i.e. lighter than the Senna's stated 1,198 kg dry, but no McLaren-source dry / DIN weight has been located.
- Layout
- Mid-engine, rear-wheel drive, two-seat open-cockpit roadster (McLaren press release, fetched 7 July 2026, verbatim: 'ferociously fast open-cockpit; an extreme two-seater'; Bring a Trailer lot 2021-mclaren-elva-8, fetched 7 July 2026, verbatim: 'mid-engine')
- Assembly
- Woking, Surrey, England — McLaren Technology Centre / McLaren Production Centre with MSO commissioning (McLaren press release, cars.mclaren.press/ww/releases/759, 13 November 2019, fetched 7 July 2026 — Ultimate Series designation and MSO involvement stated throughout)
- Production window
- 2020–2022 (per user brief; McLaren press release announced the car 13 November 2019 for customer order, cars.mclaren.press/ww/releases/759, fetched 7 July 2026). Total production 149 units (final) — reduced from an originally-announced 399 examples (Motor Authority, fetched 7 July 2026, sourcing Mike Flewitt via Australian Financial Review / Motor1: 'reduce the number of build slots for the Elva from an originally planned 399 examples down to just 249') and then reduced again from 249 to 149 in May 2021 (Carscoops headline, dated May 2021, verbatim: 'McLaren Slashes Elva Production Again To 149 Units'; evo, 27 May 2021, verbatim: 'total production run reduced to just 149 units'). The 149-unit figure is the accepted final production total; Wikipedia (fetched 7 July 2026) lists production start as 2020.
- Market availability
- Homologated for all major markets at launch (McLaren press release, cars.mclaren.press/ww/releases/759, 13 November 2019, fetched 7 July 2026, verbatim: 'Homologated for all major markets; fixed windscreen derivative also available'). US, UK, EU, Middle East and Asia-Pacific deliveries all recorded — the BaT lot pages fetched 7 July 2026 record specific first-owner US deliveries through McLaren Denver (chassis #110), McLaren Walnut Creek (chassis #67) and McLaren Charlotte (chassis #123).
- Original list price
- From USD $1,690,000 at launch (McLaren press release, cars.mclaren.press/ww/releases/759, 13 November 2019, fetched 7 July 2026, verbatim: '249 examples of new McLaren Elva available to customer order, from $1,690,000 (USD); final price will depend on level of personalization by McLaren Special Operations (MSO)'). UK launch price GBP £1.4m (evo, 27 May 2021, verbatim: 'The £1.4m McLaren Elva'). As-optioned MSRP on one specific chassis: USD $1,860,437 window sticker on the #110 windscreen-derivative car delivered new to McLaren Denver (Bring a Trailer lot 2021-mclaren-elva-8, fetched 7 July 2026, verbatim: 'The window sticker lists delivery to McLaren Denver as well as optional equipment and a total suggested retail price of $1,860,437'). Individual MSRP varies materially with MSO specification.