The McLaren 675LT (with "LT" standing for Long Tail) is a lightweight, track-focused, limited-production version of the McLaren 650S supercar made by McLaren Automotive.
The McLaren 675LT, introduced at the 2015 Geneva Motor Show, is a track-focused, lightweight version of the 650S. Its name comes from "675", the car's power output (in metric horsepower), and "LT", a reference to the "Long Tail" 1997 McLaren F1 GT which was the final incarnation of the F1 road car built to comply with FIA homologation regulations for the 1997 F1 GTR. The F1 GT featured extended front and rear overhangs that produced similar downforce to the previous homologation special, the F1 LM, without the use of a drag-inducing fixed rear wing.
The 675LT uses a single-piece carbon fiber monocell weighing 165 lb (75 kg), with extensive carbon fiber usage in the car to further reduce weight and increase rigidity. The 675LT is supplied with new carbon ceramic brake discs to increase braking performance over the 650S. Disc sizes are 394 mm (15.5 in) at the front and 380 mm (15.0 in) at the rear. Six-piston calipers grip the front discs with four-piston calipers used for the rear discs. Braking performance is also aided by the air brake ability of the new, wider rear wing.
The 675LT uses a new 10-spoke wheel design, each weighing 800 g (28.2 oz) less than the alloy wheels found on the McLaren P1™, with the front wheels being 19 inches and rear wheels being 20 inches. The new wheels are enclosed in Pirelli P-Zero Trofeo R track-focused, road legal tires which increase grip by a maximum of 6% over the 650S's P-Zero Corsa.
The 675LT uses a 3.8L (3,799 cc) twin-turbocharged M838TE V8 engine, producing 666 hp (497 kW) at 7,100 rpm and 516 ft·lb (700 N·m) at 5,500 rpm, all achieved through the addition of new lightweight connecting rods, bespoke camshaft, an electronic recirculation valve, and a lightweight titanium exhaust system, alongside revised turbocharger compressor wheels and an optimized fuel pump. The 675LT uses the 650S's seven-speed McLaren SSG dual-clutch automatic gearbox, with reduced shift times thanks to improved software.
The 675LT can accelerate from 0-60 mph (0-97 km/h) in 2.8 seconds, 0-124 mph (0-200 km/h) in 7.9 seconds, 0-186 mph (0-300 km/h) in 25.9 seconds, and 0-200 mph (0-322 km/h) in 31.2 seconds, continuing on to a top speed of at least 205 mph (330 km/h).
In 2016, a spider version named the McLaren 675LT Spider, was unveiled.
The McLaren 675LT was added in the Car Mastery Update as a high-end Class A car with the following rank statistics:
- Starting rank: 1388
- MAX rank 1625 (+237)
- MAX+PRO rank: 1763 (+148)
- Tuning Kit bonus: +47
- Stock to MAX+PRO rank difference: 385
- Upgrade rank percentages: 2/55/2/41
- Nitro Efficiency: 5/10/15
The 675LT's main advantage is that it has among a very high total speed for its rank, with 300.8 mph (484.4 km/h) at MAX+PRO with a Tuning Kit. Overall, the 675LT is made into a car that, while competitive on any track, works best in tracks with long straights and/or non-complex corners (e.g. French Guiana, Alps, Tokyo). The 675LT does have more chances of outrunning a Mosler GT3 in a two-lap race, though.
It is of particular interest that its performance is very similar to the 9FF GT9 VMAX (when taking its speed multiplier of 88.60% into account), making the 675LT a cheaper, Class A counterpart. Given said car's proficiency in tracks with long straights in both time-limited events and multiplayer, the 675LT is another competitive choice for it. At ranks above 1700, the 675LT's competitiveness greatly decreases due to the presence of cars like the McLaren Mercedes MP4-25, Aston Martin Vulcan, and Apollo Intensa Emozione.
The McLaren 675LT is currently the best budget alternative to faster and/or more expensive Class A cars like the Mosler GT3, Chevrolet 2016 Camaro SS (a tokens car that costs 6,250), BMW 3.0 CSL Hommage (an R&D car), and even the Jaguar XJ220S (an Elite Car).
The McLaren 675LT is also the best easy choice for farming Credits in Mastery, as it uses Dubai Reverse as its final track with the Unplugged race mode, as opposed to Flawless race mode. However, the 2018 McLaren X2 has replaced the 675LT as the best choice for farming Credits due to earning more Credits, despite having a Flawless race in Westminster Bridge; this race is an advanced option, as it is usually only for players with enough Custom Racing Engine cards. In addition, the Audi R8 e-tron Special Edition is also more efficient for farming, although like the MP4-31, it has a drawback of restrictive availability.
The McLaren 675LT had an original buying price of 1,200,000 that has since been increased to 4,850. Upgrades cost 2,147,200 while Pro Kits require 1,400,000, 12 of each Class A Parts card, 16 V8 Engines, 2 Early & Initial Tech cards each, 16 Mid-Tech cards, and 12 Advanced Tech cards.