Cadillac XLR (2008 – 2009) vs Porsche 911 Carrera 4 (2008 – 2012): specs compared

The Porsche 911 Carrera 4 is the more powerful of the two, with up to 345 hp against 325 hp. It is quicker, reaching 100 km/h in 4.8 s against 5.9 s. It has the higher top speed: 284 km/h against 249 km/h. It uses less fuel, from 10.1 L/100 km against 12.1 L/100 km. It is the lighter car, from 1,445 kg against 1,690 kg. At 4,514 mm, the Cadillac XLR is 79 mm longer than the Porsche 911 Carrera 4.

Specification Cadillac XLR Cadillac XLR 2008 – 2009 Porsche 911 Carrera 4 Porsche 911 Carrera 4 2008 – 2012
Overview
Origin United States Germany
Documented years 2008 – 2009 2008 – 2012
Body style — —
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 4.8 – 5.0 s
Top speed 249 km/h 282 – 284 km/h
Economy
Fuel economy 12.1 L/100 km 10.1 – 10.6 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 1,445 – 1,490 kg

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

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