Porsche 911 Carrera 4S Cabriolet (2003 – 2005) vs Cadillac XLR (2003 – 2007): specs compared

The Cadillac XLR is the more powerful of the two, with up to 326 hp against 320 hp. The Porsche 911 Carrera 4S Cabriolet is quicker, reaching 100 km/h in 5.3 s against 5.9 s. It has the higher top speed: 280 km/h against 250 km/h. It uses less fuel, from 11.4 L/100 km against 12.3 L/100 km. It is the lighter car, from 1,565 kg against 1,690 kg. At 4,514 mm, the Cadillac XLR is 79 mm longer than the Porsche 911 Carrera 4S Cabriolet.

Specification Porsche 911 Carrera 4S Cabriolet Porsche 911 Carrera 4S Cabriolet 2003 – 2005 Cadillac XLR Cadillac XLR 2003 – 2007
Overview
Origin Germany United States
Documented years 2003 – 2005 2003 – 2007
Body style Convertible —
Variants 2 1
Fuel Petrol Petrol
Drive AWD RWD
Gearbox Automatic · Manual Automatic
Performance
Power 320 hp 326 hp
Torque 370 Nm 420 Nm
0–100 km/h 5.3 – 5.9 s 5.9 s
Top speed 275 – 280 km/h 250 km/h
Economy
Fuel economy 11.4 – 12.2 L/100 km 12.3 L/100 km
Dimensions
Length 4,435 mm 4,514 mm
Width 1,829 mm 1,836 mm
Height 1,295 mm 1,280 mm
Wheelbase 2,350 mm 2,685 mm
Curb weight 1,565 – 1,620 kg 1,690 kg

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

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