And Now, The Direct Rival To The Buick Cascada…

When GM first showed off the 2016 Buick Cascada convertible, a good share of the reactionary sentiment was something along the lines of, “With the Chrysler 200 Convertible discontinued, what will it compete with?” Besides this theory, we think we’ve finally found the perfect answer.

The primary rival to the Buick Cascada will be the Audi A3 Cabriolet.

The more we thought about it, the more we came to realize that the Cascada and the A3 vert are more alike than they are different.

2015 Audi A3 Cabriolet (European Model)

The Roots

The Buick Cascada rides on slightly modified variant of GM’s compact Delta 2 platform, the same one used by the Buick Verano/Opel Astra range. Coincidentally, the (first-generation) Chevrolet Cruze also rides on the very same second-generation Delta architecture.

Keeping that in mind, congress that the Audi A3 Convertible is based on the Volkswagen’ Group’s MQB vehicle framework that debuted with the third-gen Audi A3 and seventh-gen Volkswagen Golf family. The next-gen Volkswagen Jetta will also ride on the same platform.

Hence, both the Buick (Opel-Vauxhall) Cascada and the Audi A3 Cabriolet are variants of mainstream compact vehicle ranges — the Chevy Cruze in the case of GM, and the Jetta in the case of the Volkswagen Group. One could say that the Cascada is a fancy Chevy Cruze, while the A3 is a tarted-up Volkswagen Golf… though that is quite a primitive way of reasoning about platform sharing, so let’s leave it at that.

The Layouts

Both the Buick Cascada (and its associated Buick-Opel family) and the Audi A3 family have a transverse powertrain layouts driving the front wheels, at least by default. The only difference, however, is that the Audi A3 Cabriolet features optional quattro all-wheel-drive, while the Buick does not, a circumstance that is rather unfortunate.

The Dimensions

The Buick Cascada and Audi A3 Cabriolet are also quite similar from a dimensional standpont. Though the Cascada is slightly longer due to a longer wheelbase and front overhang, the Audi A3 makes better use of its footprint by being more space-efficient. Plus, the infamous heft of the Delta 2 platform shows, as the Cascada is several hundred pounds heavier than the Audi.

Buick Cascada & Audi A3 Cabriolet Exterior Dimensions In Inches & Pounds
Measurement Buick Cascada Audi A3 Cabriolet
Wheelbase 106.1 103.8
Length 184.9 175.4
Height 56.8 55.5
Width 72.4 72.2
Front track 62.5 61.2
Rear track 62.5 60.1
Curb weight 3750 – 4003* 3373
Buick Cascada & Audi A3 Cabriolet Exterior Dimensions In MM & KG
Measurement Buick Cascada Audi A3 Cabriolet
Wheelbase 2595 2636
Length 4696 4455
Height 1443 1409
Width 1839 1960
Front track 1587 1554
Rear track 1587 1526
Curb weight 1700 – 1816* 1529
*Opel Cascada weight range utilized; could differ for U.S.-market Buick Cascada.

The Engines

Both the Buick Cascada and the Audi A3 Convertible are powered exclusively by turbo-charged four-cylinder engines. There are not six-cylinder motors in either of these vehicles, nor in the vehicle families on which these two compact sport-luxury verts are based.

Buick Cascada & Audi A3 Cabriolet Engine Vitals In Horsepower & Pound-Feet
Measurement Buick Cascada 1.6T FWD Audi A3 Cabriolet 1.8T FWD Audi A3 Cabriolet 2.0T quattro
Horsepower 200 170 220
Torque 206 (221 with overboost) 200 258
Buick Cascada & Audi A3 Cabriolet Engine Vitals In kW and Nm
Measurement Buick Cascada 1.6T FWD Audi A3 Cabriolet 1.8T FWD Audi A3 Cabriolet 2.0T quattro
Power (kW) 149 126 164
Torque (Nm) 280 (300 with overboost) 271 349

To note, the Buick offers one engine choice — the turbo-charged 1.6-liter Ecotec four — in the Cascada driving the front wheels. Audi, meanwhile, has its turbo-charged 1.8-liter four as the base motor driving the front wheels, with the turbo-charged 2.0-liter four being optional and driving all four wheels.

The Tops

There’s no fancy-shmancy hardtop convertible options, as both the Buick Cascada and the Audi A3 Cabriolet have soft-top convertible tops. Coincidentally, neither the Cascada nor the A3 has a hard-top coupe variant… though we really would love to see a Cascada coupe.

The Rivalry

Knowing all that, the Buick Cascada’s primary and (possibly) only rival will be Audi A3 Cabriolet. Thoughts?

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The GM Authority staff is comprised of columnists, interns, and other reporters who provide coverage of the latest General Motors news.

GM Authority Staff

The GM Authority staff is comprised of columnists, interns, and other reporters who provide coverage of the latest General Motors news.

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