Cadillac XLR (2005 – 2007) vs Porsche 911 Turbo S (2004 – 2005): specs compared

Both offer around 449 hp at most. The Porsche 911 Turbo S is quicker, reaching 100 km/h in 4.3 s against 5.0 s. It has the higher top speed: 307 km/h against 250 km/h. It is the lighter car, from 1,537 kg against 1,730 kg. At 4,514 mm, the Cadillac XLR is 79 mm longer than the Porsche 911 Turbo S.

Specification Cadillac XLR Cadillac XLR 2005 – 2007 Porsche 911 Turbo S Porsche 911 Turbo S 2004 – 2005
Overview
Origin United States Germany
Documented years 2005 – 2007 2004 – 2005
Body style — —
Variants 1 2
Fuel Petrol Petrol
Drive RWD AWD
Gearbox Automatic Automatic · Manual
Performance
Power 449 hp 450 hp
Torque 561 Nm 620 Nm
0–100 km/h 5.0 s 4.3 – 4.8 s
Top speed 250 km/h 299 – 307 km/h
Economy
Fuel economy — 13.3 – 14.2 L/100 km
Dimensions
Length 4,514 mm 4,435 mm
Width 1,836 mm 1,829 mm
Height 1,280 mm 1,295 mm
Wheelbase 2,685 mm 2,350 mm
Curb weight 1,730 kg 1,537 – 1,585 kg

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

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