Porsche 911 GT3 (2009 – 2011) vs Cadillac XLR V-Series (2008 – 2009): specs compared

The Cadillac XLR V-Series is the more powerful of the two, with up to 449 hp against 435 hp. The Porsche 911 GT3 is quicker, reaching 100 km/h in 4.1 s against 4.9 s. It has the higher top speed: 312 km/h against 249 km/h. It uses less fuel, from 12.6 L/100 km against 14.7 L/100 km. It is the lighter car, from 1,370 kg against 1,730 kg. At 4,514 mm, the Cadillac XLR V-Series is 87 mm longer than the Porsche 911 GT3.

Specification Porsche 911 GT3 Porsche 911 GT3 2009 – 2011 Cadillac XLR V-Series Cadillac XLR V-Series 2008 – 2009
Overview
Origin Germany United States
Documented years 2009 – 2011 2008 – 2009
Body style — —
Variants 1 1
Fuel Petrol Petrol
Drive RWD RWD
Gearbox Manual Automatic
Performance
Power 435 hp 449 hp
Torque 430 Nm 561 Nm
0–100 km/h 4.1 s 4.9 s
Top speed 312 km/h 249 km/h
Economy
Fuel economy 12.6 L/100 km 14.7 L/100 km
Dimensions
Length 4,427 mm 4,514 mm
Width 1,808 mm 1,836 mm
Height 1,280 mm 1,280 mm
Wheelbase 2,355 mm 2,685 mm
Curb weight 1,370 kg 1,730 kg

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

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