Porsche 911 Turbo Cabriolet (1987 – 1989) vs Cadillac Allante (1987 – 1993): specs compared

The Porsche 911 Turbo Cabriolet is the more powerful of the two, with up to 330 hp against 295 hp. It is quicker, reaching 100 km/h in 5.2 s against 7.2 s. It has the higher top speed: 270 km/h against 249 km/h. At 4,536 mm, the Cadillac Allante is 246 mm longer than the Porsche 911 Turbo Cabriolet.

Specification Porsche 911 Turbo Cabriolet Porsche 911 Turbo Cabriolet 1987 – 1989 Cadillac Allante Cadillac Allante 1987 – 1993
Overview
Origin Germany United States
Documented years 1987 – 1989 1987 – 1993
Body style Convertible —
Variants 1 3
Fuel Petrol Petrol
Drive RWD FWD
Gearbox Manual Automatic
Performance
Power 330 hp 172 – 299 hp
Torque 470 Nm 319 – 393 Nm
0–100 km/h 5.2 s 7.2 – 10.2 s
Top speed 270 km/h 200 – 249 km/h
Economy
Fuel economy 12.4 L/100 km 12.4 – 13.8 L/100 km
Dimensions
Length 4,290 mm 4,536 mm
Width 1,775 mm 1,864 mm
Height 1,311 mm 1,321 mm
Wheelbase 2,268 mm 2,525 mm
Curb weight — 1,584 – 1,702 kg

Ranges cover all variants of each car. The highlight marks the best version per row.

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