Cadillac XLR (2008 – 2009) vs Porsche 911 Carrera 4 Cabriolet (2008 – 2011): specs compared

The Porsche 911 Carrera 4 Cabriolet is the more powerful of the two, with up to 345 hp against 325 hp. It is quicker, reaching 100 km/h in 5.0 s against 5.9 s. It has the higher top speed: 290 km/h against 249 km/h. It uses less fuel, from 10.3 L/100 km against 12.1 L/100 km. It is the lighter car, from 1,530 kg against 1,690 kg. At 4,514 mm, the Cadillac XLR is 79 mm longer than the Porsche 911 Carrera 4 Cabriolet.

Specification Cadillac XLR Cadillac XLR 2008 – 2009 Porsche 911 Carrera 4 Cabriolet Porsche 911 Carrera 4 Cabriolet 2008 – 2011
Overview
Origin United States Germany
Documented years 2008 – 2009 2008 – 2011
Body style — Convertible
Variants 1 2
Fuel Petrol Petrol
Drive RWD AWD
Gearbox Automatic Automatic · Manual
Performance
Power 325 hp 345 hp
Torque 420 Nm 390 Nm
0–100 km/h 5.9 s 5.0 – 5.1 s
Top speed 249 km/h 282 – 290 km/h
Economy
Fuel economy 12.1 L/100 km 10.3 – 10.8 L/100 km
Dimensions
Length 4,514 mm 4,435 mm
Width 1,836 mm 1,852 mm
Height 1,280 mm 1,311 mm
Wheelbase 2,685 mm 2,350 mm
Curb weight 1,690 kg 1,530 – 1,560 kg

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

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