Edmunds Full-Test - 2014 Cadillac CTS Vsport Twin Turbo
09-16-2013, 03:02 AM
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Edmunds Full-Test - 2014 Cadillac CTS Vsport Twin Turbo A 420-Horsepower Blast at the Blue and White Roundel
Squint and the new CTS bears more than a passing resemblance to a Mercedes E-Class.
Published: 09/16/2013 - by Jason Kavanagh, Engineering Editor
Careening downhill with the gas matted, we bend the 2014 Cadillac CTS Vsport toward a tight right-hander that looms large ahead. We quickly transition to full brakes, converting the twin-turbo V6's speed into heat before easing off and steadying the throttle.
Dial in a bit more steering lock, not too much because this is a late apex. Wait, wait, wait to grab the last bit of berm but don't unwind the wheel yet. Feed in some more throttle, touch the next curb on the right and now aim for the left edge of the approaching rise, and if you've done it right the chassis unloads over the crest just as it hits the apex.
This is the Milford Road Course, informally known as the Lutz Ring, at GM's proving grounds in Michigan, and it's one of the most demanding circuits we've ever driven. Every turn is specifically crafted to test the car in several ways simultaneously. Long, oil sump-straining, sustained-g corners. Turning while braking. Accelerating over crests. Bumpstop-crushing compressions. It's on this track that engineers have honed the new CTS in an unabashed attempt to take the BMW 5 Series head on.
5 Series in Its Sights
In the past the CTS was a 'tweener, larger than a BMW 3 Series but smaller than the larger 5 Series. With the entry-level ATS now in Cadillac's portfolio, GM engineers had the freedom to size and position the 2014 Cadillac CTS more squarely against the 5 Series. Thus the 2014 CTS is larger than the outgoing generation, stretching 4.2 inches longer and riding on a 1.2-inch-longer wheelbase. It's longer, in fact, than both the 5 Series and Mercedes-Benz E-Class, with a wheelbase that's right between the two.
Whereas the current 5 Series is derived from its larger 7 Series brother, the 2014 CTS is built on the lighter ATS platform. The result is that the 5 Series is porkier than it should be, and the CTS is more efficient with its mass. It's hard to describe the 3,971-pound CTS Vsport as a light car (it's 300 pounds heavier than the base CTS) but it still undercuts the fat 550i by more than 400 pounds.
You might not recognize the Vsport name as it's new to the CTS model lineup. Fret not, as the Vsport is not intended to be a replacement for the CTS-V. Specifically, it slots between the base V6 CTS variant and the inevitable CTS-V, and has the BMW 550i in its sights, not the M5.
Two Turbos and Eight Speeds
The Vsport's 3.6-liter V6 has had its lungs pumped up with 12 psi of boost by a pair of turbos tucked beneath its cylinder heads. Although sharing its architecture with the normally aspirated version that's found a home in many a GM car over the years, the engine has been comprehensively beefed up for boosted duty.
Direct injection and a short-path liquid-to-air intercooler underpin its 420 horsepower and 430 pound-feet of torque, and it's backed by an all-new paddle-shiftable eight-speed autobox. No manual gearbox is available.
While the Vsport's power eclipses the current 2013 BMW 550i's 400 hp, the refreshed 2014 550i boasts 445 hp. We've only tested the 550i in 400-hp guise, so that's the yardstick for now.
Chassis Prowess
At GM's Milford Proving Ground we strapped our Vbox into the Vsport and tested its chops on the vast black lake. The conclusion from this exercise is that the 2014 Cadillac CTS Vsport will be a thorn in the side of the big 5 Series. Not only did the Cadillac cling to the skid pad at an eye-opening 0.95g, it tore out a 69.8-mph slalom performance. Braking, too, was impressive, as the Cad reached a drama-free halt from 60 mph in just 103 feet.
There are some differences in the composition of the tarmac here compared to our usual testing venue in Southern California, and our experience with both sites suggests the black lake is somewhat grippier. Nevertheless, these results from the Vsport humiliate the last 550i we tested by a wide margin.
The Vsport's standard summer tires contribute to this prowess. Run-flat Pirelli P Zero Neros measuring 245/40 in front and 275/35 out back have been snapped onto the Vsport's 18-by-8.5-inch wheels (18 by 9.5 inches in the back). By contrast, BMW offers only all-season tires on the 550i, and suffers the consequences in terms of capability. Score one for the home team.
Good tires alone do not a sport sedan make, and the CTS Vsport's chassis brims with sophistication to fully exploit them. Its torque-biasing electronically controlled differential is largely similar to that found on the C7 Corvette, and all Vsports are fitted with GM's latest generation of magnetorheological (MR) dampers.
Squint and the new CTS bears more than a passing resemblance to a Mercedes E-Class.
Published: 09/16/2013 - by Jason Kavanagh, Engineering Editor
Careening downhill with the gas matted, we bend the 2014 Cadillac CTS Vsport toward a tight right-hander that looms large ahead. We quickly transition to full brakes, converting the twin-turbo V6's speed into heat before easing off and steadying the throttle.
Dial in a bit more steering lock, not too much because this is a late apex. Wait, wait, wait to grab the last bit of berm but don't unwind the wheel yet. Feed in some more throttle, touch the next curb on the right and now aim for the left edge of the approaching rise, and if you've done it right the chassis unloads over the crest just as it hits the apex.
This is the Milford Road Course, informally known as the Lutz Ring, at GM's proving grounds in Michigan, and it's one of the most demanding circuits we've ever driven. Every turn is specifically crafted to test the car in several ways simultaneously. Long, oil sump-straining, sustained-g corners. Turning while braking. Accelerating over crests. Bumpstop-crushing compressions. It's on this track that engineers have honed the new CTS in an unabashed attempt to take the BMW 5 Series head on.
5 Series in Its Sights
In the past the CTS was a 'tweener, larger than a BMW 3 Series but smaller than the larger 5 Series. With the entry-level ATS now in Cadillac's portfolio, GM engineers had the freedom to size and position the 2014 Cadillac CTS more squarely against the 5 Series. Thus the 2014 CTS is larger than the outgoing generation, stretching 4.2 inches longer and riding on a 1.2-inch-longer wheelbase. It's longer, in fact, than both the 5 Series and Mercedes-Benz E-Class, with a wheelbase that's right between the two.
Whereas the current 5 Series is derived from its larger 7 Series brother, the 2014 CTS is built on the lighter ATS platform. The result is that the 5 Series is porkier than it should be, and the CTS is more efficient with its mass. It's hard to describe the 3,971-pound CTS Vsport as a light car (it's 300 pounds heavier than the base CTS) but it still undercuts the fat 550i by more than 400 pounds.
You might not recognize the Vsport name as it's new to the CTS model lineup. Fret not, as the Vsport is not intended to be a replacement for the CTS-V. Specifically, it slots between the base V6 CTS variant and the inevitable CTS-V, and has the BMW 550i in its sights, not the M5.
Two Turbos and Eight Speeds
The Vsport's 3.6-liter V6 has had its lungs pumped up with 12 psi of boost by a pair of turbos tucked beneath its cylinder heads. Although sharing its architecture with the normally aspirated version that's found a home in many a GM car over the years, the engine has been comprehensively beefed up for boosted duty.
Direct injection and a short-path liquid-to-air intercooler underpin its 420 horsepower and 430 pound-feet of torque, and it's backed by an all-new paddle-shiftable eight-speed autobox. No manual gearbox is available.
While the Vsport's power eclipses the current 2013 BMW 550i's 400 hp, the refreshed 2014 550i boasts 445 hp. We've only tested the 550i in 400-hp guise, so that's the yardstick for now.
Chassis Prowess
At GM's Milford Proving Ground we strapped our Vbox into the Vsport and tested its chops on the vast black lake. The conclusion from this exercise is that the 2014 Cadillac CTS Vsport will be a thorn in the side of the big 5 Series. Not only did the Cadillac cling to the skid pad at an eye-opening 0.95g, it tore out a 69.8-mph slalom performance. Braking, too, was impressive, as the Cad reached a drama-free halt from 60 mph in just 103 feet.
There are some differences in the composition of the tarmac here compared to our usual testing venue in Southern California, and our experience with both sites suggests the black lake is somewhat grippier. Nevertheless, these results from the Vsport humiliate the last 550i we tested by a wide margin.
The Vsport's standard summer tires contribute to this prowess. Run-flat Pirelli P Zero Neros measuring 245/40 in front and 275/35 out back have been snapped onto the Vsport's 18-by-8.5-inch wheels (18 by 9.5 inches in the back). By contrast, BMW offers only all-season tires on the 550i, and suffers the consequences in terms of capability. Score one for the home team.
Good tires alone do not a sport sedan make, and the CTS Vsport's chassis brims with sophistication to fully exploit them. Its torque-biasing electronically controlled differential is largely similar to that found on the C7 Corvette, and all Vsports are fitted with GM's latest generation of magnetorheological (MR) dampers.
09-16-2013, 03:02 AM
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Power to Weight
Paired to its 20-hp edge over the 400-hp 2013 550i, the Cadillac's weight advantage suggests another ***-whipping is in store for the BMW when it comes to acceleration. It wasn't to be. The Vsport's 5.1-second sprint to 60 (4.8 seconds with one foot of rollout as on a drag strip) pips the BMW by only a tenth.
Oddly, the Vsport's quarter-mile sprint of 13.3 seconds at 106.3 mph couldn't match the 2013 550i, as the Cadillac trailed by a tenth of a second and 2 mph by the time it cleared the stripe. Trap speed is all about horsepower, so something doesn't add up. It could be that German horses are simply stronger. Wouldn't be the first time we've noticed this.
Putting the Pieces Together
The Vsport is certainly rapid, the speed on the MRC stacking up continuously in big chunks with each quick gearchange from the new automatic. The engine's muted purr and flat torque delivery make for deceptively quick progress. This is refined potency, rather than the all-out sturm und drang of the CTS-V. Meanwhile, the Vsport's chassis exhibits poise and alertness, and drives smaller than it is.
This apparent feat of shrinking is the sign of a capable car, one that's willing to change direction but isn't nervous, and provides reliable intel on the status of grip at both ends of the car through the helm and the seat of your pants.
For sure, the car is doing some of the work for us. The MRC is not an easy circuit to memorize and will not suffer shunts kindly, so we left the CTS's driving mode in the Track setting. This loosens up the stability control and tightens the MR dampers, steering and gearchange schedule to better suit track use, natch, while still providing a safety net if things go wrong. The differential is also busy shuttling torque to influence the car's attitude, and while you can feel the systems at work, they certainly don't neuter the drive.
In fact, the Vsport is one of those cases where the wizardry onboard is an aid rather than a hindrance. The MR dampers keep the car beautifully flat even in hard corners, while still maintaining a resiliency that allows it to soak up berms without becoming unsettled. It follows its intended path with precision, thanks to the fancy diff and electric-assist steering that is at once precise and intuitive.
Uncharted Territory
Among the better-executed interpretations of Cadillac's modern design language to date, the Vsport's sheet metal blends substance with grace. A long cowl-to-front-axle relationship emphasizes the new CTS's rear-drive layout (squint and you might see an E-Class in its proportions). The cabin's theme is similar to that of the ATS, though every surface feels richer and there's noticeably more space. The instrument cluster is reconfigurable, too, similar to that found in the C7 Corvette.
The 2014 Cadillac CTS Vsport is taut, crisp and looks the part of a $60,000 car. OK, $59,995 with destination. Spring for the Premium trim level and the Vsport's base price rises to a few shekels shy of $70 grand. This makes the Vsport even dearer than the existing CTS-V, and Cadillac expects some 15 percent of new CTS sales to be Vsport models.
Yet the Vsport is bang-on the price of a 550i and is a more convincing alternative to it than is the CTS-V. Our initial impression is that the Vsport's chassis is up to the task of outshining the 550i, while still allowing room in the CTS range for a truly menacing CTS-V variant. A 'tweener no more; a 'tweener once again.
Track Test Results
0-30 mph (sec.) 2.1
0-45 mph (sec.) 3.4
0-60 mph (sec.) 5.1
0-75 mph (sec.) 7.2
1/4-mile (sec. @ mph) 13.3 @ 106.3
60-0 mph (ft.) 103
Slalom, 6 x 100 ft. (mph) 69.8
Skid pad, 200-ft. diameter (lateral g) 0.95
Test Driver Comments
Acceleration Comments - Whacking the throttle to the floor in default Tour/Drive mode, the car pauses a moment before leaving. Upshifts are smooth, but not particularly fast. Climbing the ladder of modes (Tour/Sport/Track) hastens shifting dramatically. The best run was in Sport/Drive with only a hint of wheelspin. I tried more wheelspin, less wheelspin, and the times only grew longer in either case. I'm at a loss to explain why we were about a half-second behind GM's 0-60 estimate because there's essentially no driver skill involved once under way.
Braking Comments - Immediate reaction from the pedal, near-zero dive and straight. Rapid and silent ABS cycles are unobtrusive. Extremely powerful and confident brakes that also resist heat well, as shown by the six stops separated by just 2 feet.
Handling Comments - The CTS Vsport is one of those cars that is deceptively capable in the slalom because it goes through the cones with little drama and doesn't overtax the driver. Steering is crisp and friction-free, but supplies just enough info about the front tires. Once I realized the leniency of the ESC, I could even lift to snub understeer, induce oversteer, then get back on the throttle and do it all over again for the next cone -- predictably and precisely. It felt like I had days between cones because the grip gives up so progressively.
Paired to its 20-hp edge over the 400-hp 2013 550i, the Cadillac's weight advantage suggests another ***-whipping is in store for the BMW when it comes to acceleration. It wasn't to be. The Vsport's 5.1-second sprint to 60 (4.8 seconds with one foot of rollout as on a drag strip) pips the BMW by only a tenth.
Oddly, the Vsport's quarter-mile sprint of 13.3 seconds at 106.3 mph couldn't match the 2013 550i, as the Cadillac trailed by a tenth of a second and 2 mph by the time it cleared the stripe. Trap speed is all about horsepower, so something doesn't add up. It could be that German horses are simply stronger. Wouldn't be the first time we've noticed this.
Putting the Pieces Together
The Vsport is certainly rapid, the speed on the MRC stacking up continuously in big chunks with each quick gearchange from the new automatic. The engine's muted purr and flat torque delivery make for deceptively quick progress. This is refined potency, rather than the all-out sturm und drang of the CTS-V. Meanwhile, the Vsport's chassis exhibits poise and alertness, and drives smaller than it is.
This apparent feat of shrinking is the sign of a capable car, one that's willing to change direction but isn't nervous, and provides reliable intel on the status of grip at both ends of the car through the helm and the seat of your pants.
For sure, the car is doing some of the work for us. The MRC is not an easy circuit to memorize and will not suffer shunts kindly, so we left the CTS's driving mode in the Track setting. This loosens up the stability control and tightens the MR dampers, steering and gearchange schedule to better suit track use, natch, while still providing a safety net if things go wrong. The differential is also busy shuttling torque to influence the car's attitude, and while you can feel the systems at work, they certainly don't neuter the drive.
In fact, the Vsport is one of those cases where the wizardry onboard is an aid rather than a hindrance. The MR dampers keep the car beautifully flat even in hard corners, while still maintaining a resiliency that allows it to soak up berms without becoming unsettled. It follows its intended path with precision, thanks to the fancy diff and electric-assist steering that is at once precise and intuitive.
Uncharted Territory
Among the better-executed interpretations of Cadillac's modern design language to date, the Vsport's sheet metal blends substance with grace. A long cowl-to-front-axle relationship emphasizes the new CTS's rear-drive layout (squint and you might see an E-Class in its proportions). The cabin's theme is similar to that of the ATS, though every surface feels richer and there's noticeably more space. The instrument cluster is reconfigurable, too, similar to that found in the C7 Corvette.
The 2014 Cadillac CTS Vsport is taut, crisp and looks the part of a $60,000 car. OK, $59,995 with destination. Spring for the Premium trim level and the Vsport's base price rises to a few shekels shy of $70 grand. This makes the Vsport even dearer than the existing CTS-V, and Cadillac expects some 15 percent of new CTS sales to be Vsport models.
Yet the Vsport is bang-on the price of a 550i and is a more convincing alternative to it than is the CTS-V. Our initial impression is that the Vsport's chassis is up to the task of outshining the 550i, while still allowing room in the CTS range for a truly menacing CTS-V variant. A 'tweener no more; a 'tweener once again.
Track Test Results
0-30 mph (sec.) 2.1
0-45 mph (sec.) 3.4
0-60 mph (sec.) 5.1
0-75 mph (sec.) 7.2
1/4-mile (sec. @ mph) 13.3 @ 106.3
60-0 mph (ft.) 103
Slalom, 6 x 100 ft. (mph) 69.8
Skid pad, 200-ft. diameter (lateral g) 0.95
Test Driver Comments
Acceleration Comments - Whacking the throttle to the floor in default Tour/Drive mode, the car pauses a moment before leaving. Upshifts are smooth, but not particularly fast. Climbing the ladder of modes (Tour/Sport/Track) hastens shifting dramatically. The best run was in Sport/Drive with only a hint of wheelspin. I tried more wheelspin, less wheelspin, and the times only grew longer in either case. I'm at a loss to explain why we were about a half-second behind GM's 0-60 estimate because there's essentially no driver skill involved once under way.
Braking Comments - Immediate reaction from the pedal, near-zero dive and straight. Rapid and silent ABS cycles are unobtrusive. Extremely powerful and confident brakes that also resist heat well, as shown by the six stops separated by just 2 feet.
Handling Comments - The CTS Vsport is one of those cars that is deceptively capable in the slalom because it goes through the cones with little drama and doesn't overtax the driver. Steering is crisp and friction-free, but supplies just enough info about the front tires. Once I realized the leniency of the ESC, I could even lift to snub understeer, induce oversteer, then get back on the throttle and do it all over again for the next cone -- predictably and precisely. It felt like I had days between cones because the grip gives up so progressively.
09-17-2013, 12:22 AM
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I'm curious to see the latest rendition of the LSA and LS9 engines on the new LT1 platforms. Wondering how much of a power boost these motors will have over the outgoing LS motor platform.
