2200 - And it brings our live coverage of the opening day of the New York motor show ended. We'll be back tomorrow to bring you more pictures and analysis, but for now let's just recap on some of the biggest stories of the day.
- A new Mazda MX-5 RF gets a folding hard-top roof and automatic transmission option for the first time
Launches with a number of new Mercedes models at the show, including the GLC Coupé, C 63 Cabriolet will be sold with two different power outputs, echoing C 63 Coupé was launched last year.
In C 63 Cabriolet form, the gasoline engine 4.0-liter V8 twin-turbocharged engine that kicks out 469bhp and 479 lb ft of torque. In the C 63 S Cabriolet form a more highly tuned, producing 503bhp and 516lb ft.
Drive is channeled through a seven-speed AMG Speedshift automatic transmission (with steering wheel-mounted paddle shift) to the rear wheels. The model used to use a mechanical differential lock, while the C 63 S benefits from the electronic differential lock.
Speeds of 174mph possible
According to Mercedes-AMG, the 1910kg C 63 Cabriolet and 1925kg C 63 S Cabriolet are capable of reaching 62mph from standstill in 4.2sec and 4.1sec respectively. Both are limited to a top speed of 155mph, although this can be extended to 174mph with an optional Driver’s Package that includes revised engine management software.
Despite their differing outputs, both models are claimed to possess combined fuel economy of 31.7mpg, giving it average CO2 emissions of 208g/km.
The C 63 Cabriolet is underpinned by a retuned version of the four-link front and multi-link rear suspension already used by the C 63 Coupé. On the C 63, standard 18in wheels are shod with 255/40 front and 285/35 rear tyres, while the C 63 S gets 19in wheels with 255/35 and 285/30 rubber. Both models boast variable damping control across three modes: Comfort, Sport and Sport Plus.
Also included is AMG’s so-called Drive Select system. It provides the choice between four differing driving modes: Comfort, Sport, Sport Plus and Race. A variable electomechanical steering system also allows the driver to alter its characteristics in Comfort, Sport and Sport Plus modes.
The styling echoes that of C 63 Coupé
The C 63 Cabriolet largely shares its styling with the C 63 Coupé. Included is a bespoke front bumper with large air ducts and an integrated splitter element, as well as a new aluminum bonnet that is 60mm longer than that used by standard C-Class Cabriolet models. The front and rear wings Also have been widened by 64mm and 60mm respectively Compared with less powerful siblings, in line with modifications to the new car's front and rear track measurements. There are Also wider sills underneath the doors and a newly designed rear bumper housing signature quad exhausts pipes.
As with its less powerful siblings, the C 63 Cabriolet receives a fully automatic fabric roof that can be opened and closed at the push of a button at speeds of up to 31mph. With the roof in place, the AMG models offers 355 liters of boot space. This shrinks to 270 liters when the multi-layer structure is stowed away underneath a tonneau cover in a dedicated space in the front section of the boot.
Along with the standard roof, Mercedes-AMG Also offers an optional Acoustic Hood with added sound deadening material for reduced noise levels. Other options include an Airscarf neck heater and wind-reducing Aircap function.
The C 63 Cabriolet is one of three new AMG models to the make its world premiere at the New York motor show. Others include the new four-wheel-drive 4Matic GLC 43 and E 43 4Matic, both powered by a smaller twin-turbocharged 3.0-liter V6 petrol engine delivering 362bhp and 395bhp respectively.
As sibling to the second-generation R8 coupé, the svelte two-seater is set to go on sale in late 2016, rivalling the recently facelifted Porsche 911 Turbo Cabriolet. It is expected to have price premium of around £8700 over the fixed-head model, which starts at £119,500.
The 2016 R8 Spyder is based around a modified version of the R8’s aluminium and carbonfibre spaceframe body structure, which uses added stiffening measures within the A-pillars, windscreen surround and sills to offset its lack of a fixed roof structure.
Audi claims a 50% increase in overall rigidity and 113kg reduction in kerb weight over its predecessor, launched in 2009.
Wider and shorter than predecessor
At 4426mm in length, 1940mm in width and 1244mm in height, the new Audi is 14mm shorter and 36mm wider than the previous R8 Spyder and the same height. Despite the altered dimensions, it continues to ride on the same 1650mm wheelbase as before.
Its fully automatic roof features two tapering buttresses that extend back over the engine cover at the rear, mimicking the styling treatment of its fixed-head sibling. It opens and closes in 20 seconds at speeds of up to 31mph. The fabric structure folds beneath a dedicated tonneau cover behind the two-seat cabin when stowed. The glass rear window can also be automatically extended and retracted within the rear bulkhead.
The R8 Spyder is powered by the same mid-mounted, naturally aspirated 5.2-litre V10 petrol engine as the R8 with 532bhp. With a claimed kerb weight of 1612kg, this provides the new Audi with a power-to-weight ratio of 330bhp per tonne. Torque peaks at 398lb ft.
The sturdy reserves are channelled through a standard seven-speed dual-clutch automatic gearbox and electrohydraulically operated multi-plated clutch four-wheel drive system, as well as a locking differential at the rear, to all four wheels.
Only 0.1sec slower than R8 coupé
Audi claims a 0-62mph time of just 3.6sec and 198mph top speed for the R8 Spyder – just 0.1sec and 3mph slower than the 158kg lighter R8 coupé.
A host of fuel-saving features, including a coasting feature that idles the engine on a trail throttle, contributes to a claimed 10% improvement in combined fuel economy over the first-generation R8 Spyder at 24.1mpg, with CO2 emissions of 277g/km.
A second variant of the R8 Spyder, sporting the more powerful, 601bhp version of the 5.2-litre V10 used in the R8 Plus, is expected in the line-up by the end of 2016.
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