Performance Review: Cadillac STS 4.6 V8 Sport Luxury - [2005]

Figures & Specs Summary:

Cadillac STS Performance Review.

Introduction:

This edition of the Cadillac STS 4.6 V8 Sport Luxury is the 6 speed / Auto version and was first brought out in 2005. This was at around the same time as the introduction of the 2006 Caparo T1 2.4 V8 and the 2005 Bugatti Veyron 8.0 litre W16.This particular Cadillac STS has a 4565cc Naturally Aspirated Petrol powerplant with 8 cylinders in a V formation.

Alternative Petrol V8's includes the 2023 Dodge Challenger SRT Demon 170

The STS shares its Petrol V8 engine configuration with the likes of the 2023 Dodge Challenger SRT Demon 170 and the 2023 Ferrari SF 90 XX Spider 4.0 V8 Turbo. If you're looking for other fast cars which share the STS's Rear Wheel Drive, Saloon combination then how about the 1982 Fiat X1/9 1.5 8V or the 1965 Aston-Martin DB6 1965.

Power and Weight:

Weighing in at 1866 kgs (4113 lbs) this makes the Cadillac STS 4.6 V8 Sport Luxury in the same weight category as the 2023 Aston-Martin DBS 770 Ultimate 5.2 V12 Twin Turbo or the give or take 50kg.

The Cadillac STS shares the same bhp with the 2024 Mazda CX-90 S 3.3 Turbo (340 bhp)

In terms of power the 4565cc 32V V8 engine produces 320 bhp (238 kW) @ 6400 rpm similar to the 2024 Mazda CX-90 S 3.3 Turbo (340 bhp) or the 2023 Toyota Corolla GR Morizo Edition 1.6 Turbo (300 bhp).

The Naturally Aspirated V8 throws out 315 lb-ft (427.0 Nm) @ 4400 rpm placing it with cars of similar torque performance figures such as the 2023 Toyota Corolla GR Morizo Edition 1.6 Turbo (295 lb-ft) or the 2023 Porsche Cayenne E-Hybrid 3.0 V6 Turbo (310 lb-ft).

Power to Weight:

If one combines the weight with power or torque performance for the Cadillac STS you can get a better idea of it's real world performance.

The 2016 Volkswagen-VW Golf R 2.0 Turbo (196.1 bhp per ton) has similar Bhp Per Ton stats as the Cadillac STS.

The Cadillac STS has a Power to weight ratio of 171.4 bhp per ton and 168.8 lb-ft per ton. Bhp Per Ton figures of the 2005 STS competing with the 2016 Volkswagen-VW Golf R 2.0 Turbo (196.1 bhp per ton) or the 1965 Ford Mustang Hardtop 289 4.7 V8 (195.9 bhp per ton).

Power to Weight(cont.):

If you agree with the late great Carroll Shelby then arguably an even better indicator of potential performance, Torque. Use weight as well and you end up with - Torque per ton, with the Cadillac STS generating around 168.8 lb-ft per ton. If you're curious as to what other cars have as much torque to weight then look no further than the 2006 Seat Leon 2.0 16v TDI FR (193.8 lb-ft per ton) or the 2003 Maserati 4200 GT 4.2 V8 (193.6 lb-ft per ton).

Acceleration:

With a 0-60mph time of 5.90 secs or a 0-100km/h (0-62mph) of 6.1 secs, this made the Cadillac STS 4.6 V8 Sport Luxury as fast as the 2019 Ford Focus ST 2.3 EcoBoost Automatic (5.90 secs) the 2019 Ford Focus ST 2.3 EcoBoost Automatic Wagon (5.90 secs) the 2017 Hyundai i30 N Performance 2.0 Turbo (5.90 secs) the or the 2015 Seat Leon ST Cupra 280 (5.90 secs). This Cadillac STS 4.6 V8 Sport Luxury is also faster than the 2019 Land-Rover Defender 110 3.0 Turbo (6.00 secs) the 2017 Dodge Challenger GT 3.6 V6 AWD (6.00 secs) the 2017 Toyota Century 5.0 V8 (6.00 secs) the and the 2015 Seat Leon ST Cupra 265 (6.00 secs).

Quarter Mile time is a close race between the STS and the 2008 Pontiac G8 GT 6.0

When talking about the performance of the Cadillac STS on the drag strip it can reach a quarter mile in an estimated 14.84 secs @ 92.2 mph. Similar performance down the quarter mile can be found with the the 2008 Pontiac G8 GT 6.0 (14.77 secs), the 1982 Ferrari 308 GTB QV 3.0l V8 (14.78 secs), and the 2019 Ford Focus ST 2.3 EcoBoost Automatic (14.78 secs).

Top Speed:

Modern performance cars are often artificially restricted to 155mph. The 2005 version of the Cadillac STS 4.6 V8 Sport Luxury has a maximum speed of 155mph.

Top Speed of the 2005 STS equals the 2024 Ford Mustang Dark Horse 5.0 V8 (166 mph)

If maxing out your car on the AutoBahn is your thing and you're wondering what's faster than the 2005 Cadillac STS 4.6 V8 Sport Luxury then how about the 2024 Ford Mustang Dark Horse 5.0 V8 (166 mph), the 2022 Ford Mustang GT 5.0 V8 (166 mph), or the 2021 Ford Mustang Mach 1 5.0 V8 (166 mph).

Related Links:

2005 STS Rivals List.

A Brief History of Cadillac

Car Comparison