Overview
The Bridgestone DriveGuard Plus is designed for safety-focused everyday drivers seeking the peace of mind that run-flat technology brings—without sacrificing the comfort and versatility of a modern all-season tyre. Targeted at family sedans, crossovers, and touring vehicles, it’s a strong choice for commuters, road-trippers, and anyone for whom downtime from a flat tyre is not an option. The DriveGuard Plus builds on its predecessor’s reputation, offering updated tread compounds, improved comfort, and extended coverage for a wide range of popular vehicles.
This review focuses on two popular US sizes: 225/50 R17 and 245/45 R18, common fits for mid-sized sedans, coupes, and crossovers. As an all-season grand touring run-flat, the DriveGuard Plus promises year-round performance with the added safety net of run-flat mobility—even after a puncture.
Key Specs
| Type | All-Season Grand Touring Run-Flat |
| Available Sizes Range | 16″ to 19″ rim diameters; widths 205–255 mm |
| Speed Rating Examples | H, V, W (up to 168 mph) |
| Load Index Examples | 91–101 (1356–1819 lbs per tyre) |
| Tread Pattern | Asymmetric, optimized for wet and dry grip |
| Technology Highlights | Next-generation run-flat, silica-enhanced compound, ComfortCruise design, reinforced sidewalls |
Performance: Dry
On dry pavement, the DriveGuard Plus delivers a solid, predictable experience typical of premium grand touring tyres. Initial turn-in is responsive for the segment, aided by the stiffer sidewalls inherent in run-flat construction. There’s a touch more steering weight and slightly less road feedback than with conventional touring tyres, but the tyre maintains secure grip during brisk cornering and emergency maneuvers. Braking distances are competitive, and stability under hard stops is reassuring. Enthusiast drivers may notice a minor reduction in lateral grip compared to non-run-flat performance tyres, but for most daily driving and highway cruising, the DriveGuard Plus performs confidently. The tread design also helps manage heat, maintaining consistent performance during extended summer drives.
Performance: Wet
Wet-weather confidence is a standout trait of the DriveGuard Plus. The asymmetric tread and high-silica compound evacuate water efficiently, reducing the risk of hydroplaning in heavy rain. In real-world conditions, the tyre maintains strong traction during both acceleration and braking on soaked roads. Steering precision remains intact, and the tyre inspires trust during lane changes and evasive maneuvers. Compared to many OEM run-flat tyres, the DriveGuard Plus is quieter and more composed over puddles and wet patches. Drivers accustomed to older run-flat generations will appreciate the progress Bridgestone has made in balancing wet performance with everyday comfort.
Performance: Snow & Ice
While not a winter specialist, the DriveGuard Plus is engineered to handle light snow and slush—typical of many US metro areas. The sipes and all-season compound provide adequate grip for cold, wet mornings and the occasional dusting. Start-up traction and cornering in light snow are respectable, though stopping distances increase as snow accumulates. On icy surfaces, traction is limited—consistent with most all-season tyres—so drivers in severe winter climates should still invest in dedicated winter tyres. For occasional snowfalls and transitional weather, the DriveGuard Plus offers practical security, but deep snow and hard-packed ice will challenge its limits.
Comfort & Noise
One of the most notable improvements over previous run-flat generations is ride quality. The DriveGuard Plus leverages Bridgestone’s ComfortCruise technology, which uses a more compliant sidewall design and advanced tread cushioning to absorb bumps and reduce harshness. On city streets and rougher pavement, the tyre feels noticeably less stiff than older run-flats, with fewer vibrations transmitted into the cabin. Road noise levels are moderate—quiet for a run-flat, though not as hushed as top-tier conventional touring tyres. Highway cruising is comfortable, and most drivers will find the slight increase in firmness a fair trade-off for the added run-flat security.
Durability & Economy
The DriveGuard Plus is built for longevity, with Bridgestone backing it with a competitive 65,000-mile limited treadwear warranty. The tread compound resists irregular wear, and even under the extra weight and heat of run-flat construction, most users report steady mileage. Rolling resistance is slightly higher than the best non-run-flat all-season tyres, but real-world fuel economy penalties are minor—typically one or two mpg at most, depending on vehicle and driving style. In the US, the tyre carries a UTQG rating of 640 A A in common sizes, indicating above-average tread life and strong traction and temperature scores within its segment. Drivers seeking a balance between long life, safety, and economy will find the DriveGuard Plus a competitive option.
Sizes & Alternatives
The DriveGuard Plus is available in a wide range of sizes from 16″ to 19″ diameters, targeting popular sedans, coupes, and crossovers. Notable fitments include:
- 225/50 R17 (Honda Accord, BMW 3 Series, Lexus IS)
- 245/45 R18 (Toyota Camry, Audi A6, Infiniti Q50)
- Other sizes: 215/55 R17, 235/45 R18, 255/40 R19
Key competitors in the US run-flat all-season category include:
- Michelin Primacy MXM4 ZP
- Pirelli Cinturato P7 All Season Run Flat
- Continental ProContact GX SSR
- Goodyear Eagle LS-2 RunOnFlat
- Falken Ziex ZE960 A/S Runflat
Drivers should compare based on priorities—ride comfort, winter traction, price, and warranty support—when choosing among these rivals.
Pros & Cons
Pros
- Run-flat mobility: drive up to 50 miles after a puncture
- Very good wet and dry grip for an all-season run-flat
- Notably improved ride comfort over previous run-flats
- Long treadwear warranty (65,000 miles)
- Wide size availability for many modern vehicles
Cons
- Still firmer and slightly noisier than top conventional touring tyres
- Limited snow and ice traction—best for light winter use only
- Marginally higher rolling resistance than standard all-seasons
- Replacement cost is typically higher than non-run-flat alternatives
- Enthusiast drivers may prefer more direct steering feel
Verdict
The Bridgestone DriveGuard Plus stands out as a well-rounded, safety-focused all-season run-flat that makes far fewer compromises than earlier generations. For drivers who value the security of being able to continue driving after a puncture—whether for personal safety, convenience, or simply avoiding roadside hassles—this tyre delivers. It strikes a careful balance between dry grip, wet weather assurance, comfort, and tread life. While it won’t match the plushest conventional touring tyres in softness or the sharpest performance tyres in ultimate grip, the DriveGuard Plus is an excellent fit for daily commuters, family haulers, and cross-country travelers who want year-round capability along with the peace of mind run-flats are known for. If you live in a region with frequent deep snow or require the quietest possible ride, consider dedicated winter tyres or a premium non-run-flat. For most US drivers, however, the DriveGuard Plus is a dependable, practical, and confidence-inspiring choice.
For a family sedan that mostly does highway commuting, would the slightly reduced road feedback be noticeable to non-enthusiast drivers?
For most non-enthusiast drivers using a family sedan primarily on highways, the slightly reduced road feedback from the Bridgestone DriveGuard Plus is unlikely to be noticeable. The tire is designed to prioritize comfort and safety, so unless you are particularly sensitive to subtle changes in steering feel, you should find the ride smooth and pleasant.
Are there any downsides to the reinforced sidewalls over time, like increased wear or maintenance requirements, especially for someone who drives mostly on highways?
Reinforced sidewalls in run-flat tires like the DriveGuard Plus can sometimes lead to a slightly firmer ride and may result in a bit more road noise. For predominantly highway driving, wear is generally even and there’s no special maintenance required beyond regular tire care. Just remember to check tire pressure regularly, as run-flats can mask low pressure.
How does the comfort level of the DriveGuard Plus compare to conventional all-season touring tires for daily commutes, especially on rougher city roads?
The DriveGuard Plus is designed to offer a smoother, quieter ride than older run-flat models, making it closer in comfort to regular all-season touring tires. On rough city roads, you might still notice a slightly firmer feel compared to top-tier conventional tires, but for most daily commutes, the difference is minimal and the tire remains comfortable.
Does the DriveGuard Plus affect fuel economy at all due to its reinforced sidewalls or added weight?
The DriveGuard Plus run-flat tires do have reinforced sidewalls, which can add a bit of weight compared to standard tires. This may cause a slight decrease in fuel economy, but for most drivers, the difference is minimal and often outweighed by the added safety and convenience.
Can you clarify if the updated ComfortCruise technology changes the way these tires handle when driving with zero air pressure after a puncture?
The updated ComfortCruise technology in the DriveGuard Plus is designed to improve everyday ride comfort and handling during normal conditions. However, when driving at zero air pressure after a puncture, the run-flat structure—not ComfortCruise—is primarily responsible for maintaining safe handling. ComfortCruise mainly enhances comfort, rather than specifically altering zero-pressure handling characteristics.